TSTP Solution File: CSR021+1 by Princess---230619

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Princess---230619
% Problem  : CSR021+1 : TPTP v8.1.2. Bugfixed v3.1.0.
% Transfm  : none
% Format   : tptp
% Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s

% Computer : n028.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 30 21:36:25 EDT 2023

% Result   : Theorem 16.68s 2.95s
% Output   : Proof 18.37s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : CSR021+1 : TPTP v8.1.2. Bugfixed v3.1.0.
% 0.00/0.13  % Command  : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s
% 0.13/0.34  % Computer : n028.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Aug 28 09:19:39 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.61  ________       _____
% 0.19/0.61  ___  __ \_________(_)________________________________
% 0.19/0.61  __  /_/ /_  ___/_  /__  __ \  ___/  _ \_  ___/_  ___/
% 0.19/0.61  _  ____/_  /   _  / _  / / / /__ /  __/(__  )_(__  )
% 0.19/0.61  /_/     /_/    /_/  /_/ /_/\___/ \___//____/ /____/
% 0.19/0.61  
% 0.19/0.61  A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic
% 0.19/0.61  (2023-06-19)
% 0.19/0.61  
% 0.19/0.61  (c) Philipp Rümmer, 2009-2023
% 0.19/0.61  Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen,
% 0.19/0.61                Amanda Stjerna.
% 0.19/0.61  Free software under BSD-3-Clause.
% 0.19/0.61  
% 0.19/0.61  For more information, visit http://www.philipp.ruemmer.org/princess.shtml
% 0.19/0.61  
% 0.19/0.61  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.19/0.62  Running up to 7 provers in parallel.
% 0.19/0.64  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423
% 0.19/0.64  Prover 0: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893
% 0.19/0.64  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994
% 0.19/0.64  Prover 3: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996
% 0.19/0.64  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696
% 0.19/0.64  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288
% 0.19/0.64  Prover 6: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365
% 3.88/1.22  Prover 1: Preprocessing ...
% 3.88/1.22  Prover 4: Preprocessing ...
% 3.88/1.26  Prover 0: Preprocessing ...
% 3.88/1.26  Prover 5: Preprocessing ...
% 3.88/1.26  Prover 3: Preprocessing ...
% 3.88/1.27  Prover 2: Preprocessing ...
% 3.88/1.27  Prover 6: Preprocessing ...
% 8.30/1.84  Prover 5: Proving ...
% 9.00/1.94  Prover 1: Constructing countermodel ...
% 9.00/1.94  Prover 3: Constructing countermodel ...
% 9.65/2.01  Prover 6: Proving ...
% 9.65/2.09  Prover 1: gave up
% 9.65/2.09  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470
% 10.39/2.11  Prover 4: Constructing countermodel ...
% 10.39/2.11  Prover 3: gave up
% 10.39/2.12  Prover 8: Options:  +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089
% 10.39/2.14  Prover 0: Proving ...
% 10.39/2.15  Prover 7: Preprocessing ...
% 10.39/2.16  Prover 8: Preprocessing ...
% 10.39/2.20  Prover 6: gave up
% 10.84/2.22  Prover 9: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1423531889
% 11.56/2.25  Prover 9: Preprocessing ...
% 11.97/2.35  Prover 8: Warning: ignoring some quantifiers
% 12.32/2.37  Prover 8: Constructing countermodel ...
% 13.35/2.54  Prover 2: Proving ...
% 13.82/2.58  Prover 8: gave up
% 13.82/2.59  Prover 10: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125
% 13.82/2.60  Prover 7: Warning: ignoring some quantifiers
% 14.15/2.64  Prover 7: Constructing countermodel ...
% 14.15/2.65  Prover 9: Constructing countermodel ...
% 14.49/2.67  Prover 10: Preprocessing ...
% 16.68/2.95  Prover 2: proved (2310ms)
% 16.68/2.95  
% 16.68/2.95  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 16.68/2.95  
% 16.68/2.95  Prover 9: stopped
% 16.73/2.96  Prover 11: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984
% 16.73/2.96  Prover 5: stopped
% 16.73/2.96  Prover 0: stopped
% 16.73/2.97  Prover 13: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443
% 16.73/2.97  Prover 16: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=completeFrugal -randomSeed=-2043353683
% 16.73/2.98  Prover 7: Found proof (size 14)
% 16.73/2.98  Prover 7: proved (892ms)
% 16.73/2.98  Prover 19: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=-1780594085
% 16.73/2.98  Prover 4: stopped
% 16.73/2.98  Prover 10: Warning: ignoring some quantifiers
% 16.73/2.99  Prover 11: Preprocessing ...
% 16.73/3.00  Prover 13: Preprocessing ...
% 16.73/3.00  Prover 16: Preprocessing ...
% 16.73/3.00  Prover 10: Constructing countermodel ...
% 17.08/3.01  Prover 10: stopped
% 17.08/3.03  Prover 13: stopped
% 17.08/3.03  Prover 16: stopped
% 17.08/3.04  Prover 19: Preprocessing ...
% 17.37/3.05  Prover 11: stopped
% 17.82/3.14  Prover 19: Warning: ignoring some quantifiers
% 17.82/3.15  Prover 19: Constructing countermodel ...
% 17.82/3.16  Prover 19: stopped
% 17.82/3.16  
% 17.82/3.16  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 17.82/3.16  
% 17.82/3.16  % SZS output start Proof for theBenchmark
% 17.82/3.17  Assumptions after simplification:
% 17.82/3.17  ---------------------------------
% 17.82/3.17  
% 17.82/3.17    (happens_all_defn)
% 17.82/3.18    $i(n2) & $i(pull) & $i(push) & $i(n1) & $i(n0) & happens(pull, n2) &
% 17.82/3.18    happens(pull, n1) & happens(push, n2) & happens(push, n0) &  ! [v0: $i] :  !
% 17.82/3.18    [v1: $i] : (v1 = n2 | v1 = n1 | v1 = n0 | v0 = pull |  ~ $i(v1) |  ~ $i(v0) | 
% 17.82/3.18      ~ happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v1 = n2 | v1 = n1 | v1 =
% 17.82/3.18      n0 | v0 = push |  ~ $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1)) &  ! [v0: $i] :
% 17.82/3.18     ! [v1: $i] : (v1 = n2 | v1 = n1 | v1 = n0 |  ~ $i(v1) |  ~ $i(v0) |  ~
% 17.82/3.18      happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v1 = n2 | v1 = n1 | v0 =
% 17.82/3.18      pull | v0 = push |  ~ $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1)) &  ! [v0: $i]
% 17.82/3.18    :  ! [v1: $i] : (v1 = n2 | v1 = n1 | v0 = push |  ~ $i(v1) |  ~ $i(v0) |  ~
% 17.82/3.18      happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v1 = n2 | v1 = n0 | v0 =
% 17.82/3.18      pull | v0 = push |  ~ $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1)) &  ! [v0: $i]
% 17.82/3.18    :  ! [v1: $i] : (v1 = n2 | v1 = n0 | v0 = pull |  ~ $i(v1) |  ~ $i(v0) |  ~
% 17.82/3.18      happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v1 = n2 | v0 = pull | v0 =
% 17.82/3.18      push |  ~ $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1)) &  ! [v0: $i] :  ! [v1:
% 17.82/3.18      $i] : (v1 = n1 | v1 = n0 | v0 = pull | v0 = push |  ~ $i(v1) |  ~ $i(v0) | 
% 17.82/3.18      ~ happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v1 = n1 | v0 = pull | v0 =
% 17.82/3.18      push |  ~ $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1)) &  ! [v0: $i] :  ! [v1:
% 17.82/3.18      $i] : (v1 = n0 | v0 = pull | v0 = push |  ~ $i(v1) |  ~ $i(v0) |  ~
% 17.82/3.18      happens(v0, v1)) &  ! [v0: $i] :  ! [v1: $i] : (v0 = pull | v0 = push |  ~
% 17.82/3.18      $i(v1) |  ~ $i(v0) |  ~ happens(v0, v1))
% 17.82/3.18  
% 17.82/3.18    (happens_terminates_not_holds)
% 18.07/3.20    $i(n1) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~ (plus(v1,
% 18.07/3.20          n1) = v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ holdsAt(v2, v3) |  ~
% 18.07/3.20      terminates(v0, v2, v1) |  ~ happens(v0, v1))
% 18.07/3.20  
% 18.07/3.20    (less2)
% 18.07/3.20    $i(n2) & $i(n1) &  ! [v0: $i] : ( ~ $i(v0) |  ~ less_or_equal(v0, n1) |
% 18.07/3.20      less(v0, n2)) &  ! [v0: $i] : ( ~ $i(v0) |  ~ less(v0, n2) |
% 18.07/3.20      less_or_equal(v0, n1))
% 18.07/3.20  
% 18.07/3.20    (less3)
% 18.07/3.20    $i(n3) & $i(n2) &  ! [v0: $i] : ( ~ $i(v0) |  ~ less_or_equal(v0, n2) |
% 18.07/3.20      less(v0, n3)) &  ! [v0: $i] : ( ~ $i(v0) |  ~ less(v0, n3) |
% 18.07/3.20      less_or_equal(v0, n2))
% 18.07/3.20  
% 18.07/3.20    (not_backwards_3)
% 18.07/3.20    $i(n3) & $i(backwards) & holdsAt(backwards, n3)
% 18.07/3.20  
% 18.07/3.20    (plus1_2)
% 18.07/3.20    plus(n1, n2) = n3 & $i(n3) & $i(n2) & $i(n1)
% 18.07/3.20  
% 18.07/3.20    (push_not_pull)
% 18.07/3.21     ~ (pull = push) & $i(pull) & $i(push)
% 18.07/3.21  
% 18.07/3.21    (symmetry_of_plus)
% 18.07/3.21     ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (plus(v1, v0) = v2) |  ~ $i(v1)
% 18.07/3.21      |  ~ $i(v0) | (plus(v0, v1) = v2 & $i(v2))) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.07/3.21    [v2: $i] : ( ~ (plus(v0, v1) = v2) |  ~ $i(v1) |  ~ $i(v0) | (plus(v1, v0) =
% 18.07/3.21        v2 & $i(v2)))
% 18.07/3.21  
% 18.07/3.21    (terminates_all_defn)
% 18.37/3.26    $i(spinning) & $i(backwards) & $i(pull) & $i(forwards) & $i(push) &  ! [v0:
% 18.37/3.26      $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 =
% 18.37/3.26      forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.26      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.26     ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = pull | v0
% 18.37/3.26      = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.26      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.26      spinning | v1 = backwards | v1 = forwards | v0 = pull | v0 = push |  ~
% 18.37/3.26      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push,
% 18.37/3.26        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 =
% 18.37/3.26      backwards | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.26      ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.26      $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = pull |  ~
% 18.37/3.26      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.26      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.26    [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = pull |  ~
% 18.37/3.26      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.26      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.26      $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = pull |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v1 = forwards | v0 = pull |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 =
% 18.37/3.27      forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0,
% 18.37/3.27        v1, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :
% 18.37/3.27    (v1 = spinning | v1 = backwards | v1 = forwards | v0 = pull |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1: $i]
% 18.37/3.27    :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = push | 
% 18.37/3.27      ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v1 = spinning | v1 = backwards | v1 = forwards | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v1 = forwards | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 =
% 18.37/3.27      forwards | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0,
% 18.37/3.27        v1, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :
% 18.37/3.27    (v1 = spinning | v1 = backwards | v1 = forwards | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1: $i]
% 18.37/3.27    :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v1 = forwards |  ~ $i(v2) |  ~ $i(v1) |  ~
% 18.37/3.27      $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 =
% 18.37/3.27      backwards | v1 = forwards |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 = forwards |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v1 =
% 18.37/3.27      forwards |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v1 = forwards |  ~ $i(v2) |  ~ $i(v1) |  ~
% 18.37/3.27      $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v1 = spinning | v1 = backwards | v0 = pull | v0 = push |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 =
% 18.37/3.27      backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v1 = spinning | v1 = backwards | v0 = pull | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push, v2)) &  ! [v0: $i] :  !
% 18.37/3.27    [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v0 = pull | v0 =
% 18.37/3.27      push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v0 =
% 18.37/3.27      pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = spinning | v1 = backwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) | 
% 18.37/3.27      ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i]
% 18.37/3.27    :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v0 = pull |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = backwards | v0 =
% 18.37/3.27      pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = backwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) | 
% 18.37/3.27      ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 =
% 18.37/3.27      forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v1 = spinning | v1 = forwards | v0 = pull | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push, v2)) &  ! [v0: $i] :  !
% 18.37/3.27    [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = forwards | v0 = pull | v0 =
% 18.37/3.27      push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v1 = forwards | v0 =
% 18.37/3.27      pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = spinning | v1 = forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) | 
% 18.37/3.27      ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i]
% 18.37/3.27    :  ! [v2: $i] : (v1 = spinning | v1 = forwards | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v1 = forwards | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) | 
% 18.37/3.27      ~ terminates(v0, v1, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] : 
% 18.37/3.27    ! [v2: $i] : (v1 = spinning | v1 = forwards |  ~ $i(v2) |  ~ $i(v1) |  ~
% 18.37/3.27      $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2) |  ~ happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1:
% 18.37/3.27      $i] :  ! [v2: $i] : (v1 = spinning | v0 = pull | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      spinning | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v1 = spinning | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |
% 18.37/3.27       ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  ! [v0: $i]
% 18.37/3.27    :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v0 = pull | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v0 =
% 18.37/3.27      pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = spinning | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push, v2)) &  ! [v0:
% 18.37/3.27      $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = spinning | v0 = pull |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) & 
% 18.37/3.27    ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0
% 18.37/3.27      = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0,
% 18.37/3.27        v1, v2) |  ~ happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  !
% 18.37/3.27    [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0 = pull | v0 =
% 18.37/3.27      push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v1 = backwards | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) & 
% 18.37/3.27    ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0
% 18.37/3.27      = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0,
% 18.37/3.27        v1, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i]
% 18.37/3.27    : (v1 = backwards | v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 =
% 18.37/3.27      forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0,
% 18.37/3.27        v1, v2) |  ~ happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  !
% 18.37/3.27    [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0 = pull |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v1 = backwards | v1 = forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :
% 18.37/3.27     ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = backwards | v1 = forwards | v0 = push |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  ! [v0:
% 18.37/3.27      $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v1 = forwards |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) | 
% 18.37/3.27      ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push, v2)) &  ! [v0:
% 18.37/3.27      $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v0 = pull | v0 = push | 
% 18.37/3.27      ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v1 = backwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push, v2)) &  ! [v0: $i] :
% 18.37/3.27     ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v0 = pull | v0 = push |  ~
% 18.37/3.27      $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] : 
% 18.37/3.27    ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 =
% 18.37/3.27      backwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push, v2)) &  ! [v0:
% 18.37/3.27      $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = backwards | v0 = pull |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2)) & 
% 18.37/3.27    ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = forwards | v0 = pull | v0 =
% 18.37/3.27      push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  !
% 18.37/3.27    [v2: $i] : (v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~
% 18.37/3.27      $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) | happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = forwards | v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :
% 18.37/3.27    (v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) | 
% 18.37/3.27      ~ terminates(v0, v1, v2) |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i]
% 18.37/3.27    :  ! [v2: $i] : (v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1)
% 18.37/3.27      |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | happens(push, v2)) &  ! [v0: $i] :
% 18.37/3.27     ! [v1: $i] :  ! [v2: $i] : (v1 = forwards | v0 = pull | v0 = push |  ~ $i(v2)
% 18.37/3.27      |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)) &  ! [v0: $i] :  ! [v1:
% 18.37/3.27      $i] :  ! [v2: $i] : (v1 = forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~
% 18.37/3.27      $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~ happens(push,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v1 = forwards | v0 =
% 18.37/3.27      pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v1 = forwards | v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :
% 18.37/3.27     ! [v2: $i] : (v0 = pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~
% 18.37/3.27      terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~ happens(push, v2)) &  !
% 18.37/3.27    [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 = pull | v0 = push |  ~ $i(v2) |  ~
% 18.37/3.27      $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 = pull |
% 18.37/3.27      v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) | 
% 18.37/3.27      ~ happens(pull, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 = pull
% 18.37/3.27      | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2)
% 18.37/3.27      |  ~ happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 =
% 18.37/3.27      pull | v0 = push |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 = pull |  ~ $i(v2) | 
% 18.37/3.27      ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~ happens(pull, v2) |  ~
% 18.37/3.27      happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : (v0 = pull | 
% 18.37/3.27      ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1, v2) |  ~
% 18.37/3.27      happens(pull, v2) | happens(push, v2)) &  ! [v0: $i] :  ! [v1: $i] :  ! [v2:
% 18.37/3.27      $i] : (v0 = pull |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ terminates(v0, v1,
% 18.37/3.27        v2) |  ~ happens(pull, v2)) &  ! [v0: $i] : ( ~ $i(v0) |  ~ happens(push,
% 18.37/3.27        v0) | terminates(pull, backwards, v0)) &  ! [v0: $i] : ( ~ $i(v0) |  ~
% 18.37/3.27      happens(push, v0) | terminates(pull, forwards, v0)) &  ? [v0: $i] : ( ~
% 18.37/3.27      $i(v0) | terminates(pull, spinning, v0) | happens(push, v0)) &  ? [v0: $i] :
% 18.37/3.27    ( ~ $i(v0) | terminates(pull, forwards, v0) | happens(push, v0)) &  ? [v0: $i]
% 18.37/3.27    : ( ~ $i(v0) | terminates(push, spinning, v0) | happens(pull, v0)) &  ? [v0:
% 18.37/3.27      $i] : ( ~ $i(v0) | terminates(push, backwards, v0) | happens(pull, v0))
% 18.37/3.27  
% 18.37/3.27  Further assumptions not needed in the proof:
% 18.37/3.27  --------------------------------------------
% 18.37/3.27  antitrajectory, change_holding, forwards_not_backwards, forwards_not_spinning,
% 18.37/3.27  happens_holds, happens_not_released, happens_releases, initiates_all_defn,
% 18.37/3.27  keep_holding, keep_not_holding, keep_not_released, keep_released, less0, less1,
% 18.37/3.27  less4, less5, less6, less7, less8, less9, less_or_equal, less_property,
% 18.37/3.27  not_backwards_0, not_forwards_0, not_releasedAt, not_splinning_0, plus0_0,
% 18.37/3.27  plus0_1, plus0_2, plus0_3, plus1_1, plus1_3, plus2_2, plus2_3, plus3_3,
% 18.37/3.27  releases_all_defn, spinning_not_backwards, startedin_defn, stoppedin_defn
% 18.37/3.27  
% 18.37/3.27  Those formulas are unsatisfiable:
% 18.37/3.27  ---------------------------------
% 18.37/3.27  
% 18.37/3.27  Begin of proof
% 18.37/3.27  | 
% 18.37/3.27  | ALPHA: (happens_terminates_not_holds) implies:
% 18.37/3.27  |   (1)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] :  ! [v3: $i] : ( ~ (plus(v1,
% 18.37/3.27  |              n1) = v3) |  ~ $i(v2) |  ~ $i(v1) |  ~ $i(v0) |  ~ holdsAt(v2,
% 18.37/3.27  |            v3) |  ~ terminates(v0, v2, v1) |  ~ happens(v0, v1))
% 18.37/3.27  | 
% 18.37/3.27  | ALPHA: (terminates_all_defn) implies:
% 18.37/3.27  |   (2)   ! [v0: $i] : ( ~ $i(v0) |  ~ happens(push, v0) | terminates(pull,
% 18.37/3.27  |            backwards, v0))
% 18.37/3.27  | 
% 18.37/3.28  | ALPHA: (happens_all_defn) implies:
% 18.37/3.28  |   (3)  happens(push, n2)
% 18.37/3.28  |   (4)  happens(pull, n2)
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (push_not_pull) implies:
% 18.37/3.28  |   (5)  $i(pull)
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (plus1_2) implies:
% 18.37/3.28  |   (6)  plus(n1, n2) = n3
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (symmetry_of_plus) implies:
% 18.37/3.28  |   (7)   ! [v0: $i] :  ! [v1: $i] :  ! [v2: $i] : ( ~ (plus(v1, v0) = v2) |  ~
% 18.37/3.28  |          $i(v1) |  ~ $i(v0) | (plus(v0, v1) = v2 & $i(v2)))
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (less2) implies:
% 18.37/3.28  |   (8)  $i(n1)
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (less3) implies:
% 18.37/3.28  |   (9)  $i(n2)
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (not_backwards_3) implies:
% 18.37/3.28  |   (10)  holdsAt(backwards, n3)
% 18.37/3.28  |   (11)  $i(backwards)
% 18.37/3.28  | 
% 18.37/3.28  | GROUND_INST: instantiating (2) with n2, simplifying with (3), (9) gives:
% 18.37/3.28  |   (12)  terminates(pull, backwards, n2)
% 18.37/3.28  | 
% 18.37/3.28  | GROUND_INST: instantiating (7) with n2, n1, n3, simplifying with (6), (8), (9)
% 18.37/3.28  |              gives:
% 18.37/3.28  |   (13)  plus(n2, n1) = n3 & $i(n3)
% 18.37/3.28  | 
% 18.37/3.28  | ALPHA: (13) implies:
% 18.37/3.28  |   (14)  plus(n2, n1) = n3
% 18.37/3.28  | 
% 18.37/3.28  | GROUND_INST: instantiating (1) with pull, n2, backwards, n3, simplifying with
% 18.37/3.28  |              (4), (5), (9), (10), (11), (12), (14) gives:
% 18.37/3.28  |   (15)  $false
% 18.37/3.28  | 
% 18.37/3.28  | CLOSE: (15) is inconsistent.
% 18.37/3.28  | 
% 18.37/3.28  End of proof
% 18.37/3.28  % SZS output end Proof for theBenchmark
% 18.37/3.28  
% 18.37/3.28  2672ms
%------------------------------------------------------------------------------