TSTP Solution File: PLA020-1 by SOS---2.0
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- Process Solution
%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : PLA020-1 : TPTP v8.1.0. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n029.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 : 600s
% DateTime : Mon Jul 18 17:32:12 EDT 2022
% Result : Unsatisfiable 0.41s 0.58s
% Output : Refutation 0.41s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : PLA020-1 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.13 % Command : sos-script %s
% 0.14/0.35 % Computer : n029.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 600
% 0.14/0.35 % DateTime : Tue May 31 23:13:45 EDT 2022
% 0.14/0.35 % CPUTime :
% 0.14/0.37 ----- Otter 3.2, August 2001 -----
% 0.14/0.37 The process was started by sandbox2 on n029.cluster.edu,
% 0.14/0.37 Tue May 31 23:13:45 2022
% 0.14/0.37 The command was "./sos". The process ID is 15064.
% 0.14/0.37
% 0.14/0.37 set(prolog_style_variables).
% 0.14/0.37 set(auto).
% 0.14/0.37 dependent: set(auto1).
% 0.14/0.37 dependent: set(process_input).
% 0.14/0.37 dependent: clear(print_kept).
% 0.14/0.37 dependent: clear(print_new_demod).
% 0.14/0.37 dependent: clear(print_back_demod).
% 0.14/0.37 dependent: clear(print_back_sub).
% 0.14/0.37 dependent: set(control_memory).
% 0.14/0.37 dependent: assign(max_mem, 12000).
% 0.14/0.37 dependent: assign(pick_given_ratio, 4).
% 0.14/0.37 dependent: assign(stats_level, 1).
% 0.14/0.37 dependent: assign(pick_semantic_ratio, 3).
% 0.14/0.37 dependent: assign(sos_limit, 5000).
% 0.14/0.37 dependent: assign(max_weight, 60).
% 0.14/0.37 clear(print_given).
% 0.14/0.37
% 0.14/0.37 list(usable).
% 0.14/0.37
% 0.14/0.37 SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 0.14/0.37
% 0.14/0.37 This is a Horn set without equality. The strategy will
% 0.14/0.37 be hyperresolution, with satellites in sos and nuclei
% 0.14/0.37 in usable.
% 0.14/0.37
% 0.14/0.37 dependent: set(hyper_res).
% 0.14/0.37 dependent: clear(order_hyper).
% 0.14/0.37
% 0.14/0.37 ------------> process usable:
% 0.14/0.37
% 0.14/0.37 ------------> process sos:
% 0.14/0.37
% 0.14/0.37 ======= end of input processing =======
% 0.21/0.58
% 0.21/0.58 Stopped by limit on insertions
% 0.21/0.58
% 0.21/0.58
% 0.21/0.58 Failed to model usable list: disabling FINDER
% 0.21/0.58
% 0.21/0.58
% 0.21/0.58
% 0.41/0.58 -------------- Softie stats --------------
% 0.41/0.58
% 0.41/0.58 UPDATE_STOP: 300
% 0.41/0.58 SFINDER_TIME_LIMIT: 2
% 0.41/0.58 SHORT_CLAUSE_CUTOFF: 4
% 0.41/0.58 number of clauses in intial UL: 12
% 0.41/0.58 number of clauses initially in problem: 31
% 0.41/0.58 percentage of clauses intially in UL: 38
% 0.41/0.58 percentage of distinct symbols occuring in initial UL: 75
% 0.41/0.58 percent of all initial clauses that are short: 96
% 0.41/0.58 absolute distinct symbol count: 16
% 0.41/0.58 distinct predicate count: 2
% 0.41/0.58 distinct function count: 7
% 0.41/0.58 distinct constant count: 7
% 0.41/0.58
% 0.41/0.58 ---------- no more Softie stats ----------
% 0.41/0.58
% 0.41/0.58
% 0.41/0.58
% 0.41/0.58 =========== start of search ===========
% 0.41/0.58
% 0.41/0.58 -------- PROOF --------
% 0.41/0.58 % SZS status Unsatisfiable
% 0.41/0.58 % SZS output start Refutation
% 0.41/0.58
% 0.41/0.58 ----> UNIT CONFLICT at 0.19 sec ----> 138 [binary,137.1,12.1] {-} $F.
% 0.41/0.58
% 0.41/0.58 Length of proof is 1. Level of proof is 1.
% 0.41/0.58
% 0.41/0.58 ---------------- PROOF ----------------
% 0.41/0.58 % SZS status Unsatisfiable
% 0.41/0.58 % SZS output start Refutation
% 0.41/0.58
% 0.41/0.58 3 [] {+} holds(clear(A),do(pickup(B),C))| -holds(on(B,A),C)| -holds(clear(B),C)| -holds(empty,C).
% 0.41/0.58 12 [] {+} -holds(clear(d),A).
% 0.41/0.58 25 [] {-} holds(on(c,d),s0).
% 0.41/0.58 29 [] {-} holds(clear(c),s0).
% 0.41/0.58 30 [] {-} holds(empty,s0).
% 0.41/0.58 137 [hyper,29,3,25,30] {-} holds(clear(d),do(pickup(c),s0)).
% 0.41/0.58 138 [binary,137.1,12.1] {-} $F.
% 0.41/0.58
% 0.41/0.58 % SZS output end Refutation
% 0.41/0.58 ------------ end of proof -------------
% 0.41/0.58
% 0.41/0.58
% 0.41/0.58 Search stopped by max_proofs option.
% 0.41/0.58
% 0.41/0.58
% 0.41/0.58 Search stopped by max_proofs option.
% 0.41/0.58
% 0.41/0.58 ============ end of search ============
% 0.41/0.58
% 0.41/0.58 That finishes the proof of the theorem.
% 0.41/0.58
% 0.41/0.58 Process 15064 finished Tue May 31 23:13:45 2022
%------------------------------------------------------------------------------