TSTP Solution File: PLA002-2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : PLA002-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %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  : 600s
% DateTime : Mon Jul 18 17:31:21 EDT 2022

% Result   : Unsatisfiable 0.94s 1.21s
% Output   : Refutation 0.94s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : PLA002-2 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.35  % Computer : n028.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Tue May 31 19:44:21 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.74/1.02  ============================== Prover9 ===============================
% 0.74/1.02  Prover9 (32) version 2009-11A, November 2009.
% 0.74/1.02  Process 28160 was started by sandbox2 on n028.cluster.edu,
% 0.74/1.02  Tue May 31 19:44:22 2022
% 0.74/1.02  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_28007_n028.cluster.edu".
% 0.74/1.02  ============================== end of head ===========================
% 0.74/1.02  
% 0.74/1.02  ============================== INPUT =================================
% 0.74/1.02  
% 0.74/1.02  % Reading from file /tmp/Prover9_28007_n028.cluster.edu
% 0.74/1.02  
% 0.74/1.02  set(prolog_style_variables).
% 0.74/1.02  set(auto2).
% 0.74/1.02      % set(auto2) -> set(auto).
% 0.74/1.02      % set(auto) -> set(auto_inference).
% 0.74/1.02      % set(auto) -> set(auto_setup).
% 0.74/1.02      % set(auto_setup) -> set(predicate_elim).
% 0.74/1.02      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.74/1.02      % set(auto) -> set(auto_limits).
% 0.74/1.02      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.74/1.02      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.74/1.02      % set(auto) -> set(auto_denials).
% 0.74/1.02      % set(auto) -> set(auto_process).
% 0.74/1.02      % set(auto2) -> assign(new_constants, 1).
% 0.74/1.02      % set(auto2) -> assign(fold_denial_max, 3).
% 0.74/1.02      % set(auto2) -> assign(max_weight, "200.000").
% 0.74/1.02      % set(auto2) -> assign(max_hours, 1).
% 0.74/1.02      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.74/1.02      % set(auto2) -> assign(max_seconds, 0).
% 0.74/1.02      % set(auto2) -> assign(max_minutes, 5).
% 0.74/1.02      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.74/1.02      % set(auto2) -> set(sort_initial_sos).
% 0.74/1.02      % set(auto2) -> assign(sos_limit, -1).
% 0.74/1.02      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.74/1.02      % set(auto2) -> assign(max_megs, 400).
% 0.74/1.02      % set(auto2) -> assign(stats, some).
% 0.74/1.02      % set(auto2) -> clear(echo_input).
% 0.74/1.02      % set(auto2) -> set(quiet).
% 0.74/1.02      % set(auto2) -> clear(print_initial_clauses).
% 0.74/1.02      % set(auto2) -> clear(print_given).
% 0.74/1.02  assign(lrs_ticks,-1).
% 0.74/1.02  assign(sos_limit,10000).
% 0.74/1.02  assign(order,kbo).
% 0.74/1.02  set(lex_order_vars).
% 0.74/1.02  clear(print_given).
% 0.74/1.02  
% 0.74/1.02  % formulas(sos).  % not echoed (23 formulas)
% 0.74/1.02  
% 0.74/1.02  ============================== end of input ==========================
% 0.74/1.02  
% 0.74/1.02  % From the command line: assign(max_seconds, 300).
% 0.74/1.02  
% 0.74/1.02  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.74/1.02  
% 0.74/1.02  % Formulas that are not ordinary clauses:
% 0.74/1.02  
% 0.74/1.02  ============================== end of process non-clausal formulas ===
% 0.74/1.02  
% 0.74/1.02  ============================== PROCESS INITIAL CLAUSES ===============
% 0.74/1.02  
% 0.74/1.02  ============================== PREDICATE ELIMINATION =================
% 0.74/1.02  1 -warm(A) | -at(b,A) | at(d,climb(d,A)) | -situation(A) # label(climb_mountain_b_to_d) # label(hypothesis).  [assumption].
% 0.74/1.02  2 warm(A) | cold(B) | -situation(A) | -situation(B) # label(warm_or_cold) # label(hypothesis).  [assumption].
% 0.74/1.02  Derived: -at(b,A) | at(d,climb(d,A)) | -situation(A) | cold(B) | -situation(A) | -situation(B).  [resolve(1,a,2,a)].
% 0.74/1.02  3 -warm(A) | -at(d,A) | at(b,climb(b,A)) | -situation(A) # label(climb_mountain_d_to_b) # label(hypothesis).  [assumption].
% 0.74/1.02  Derived: -at(d,A) | at(b,climb(b,A)) | -situation(A) | cold(B) | -situation(A) | -situation(B).  [resolve(3,a,2,a)].
% 0.74/1.02  4 -at(b,A) | at(d,climb(d,A)) | -situation(A) | cold(B) | -situation(A) | -situation(B).  [resolve(1,a,2,a)].
% 0.74/1.02  5 -cold(A) | -at(b,A) | at(c,skate(c,A)) | -situation(A) # label(cross_river_b_to_c) # label(hypothesis).  [assumption].
% 0.74/1.02  6 -cold(A) | -at(c,A) | at(b,skate(b,A)) | -situation(A) # label(cross_river_c_to_b) # label(hypothesis).  [assumption].
% 0.74/1.02  Derived: -at(b,A) | at(d,climb(d,A)) | -situation(A) | -situation(A) | -situation(B) | -at(b,B) | at(c,skate(c,B)) | -situation(B).  [resolve(4,d,5,a)].
% 0.74/1.02  Derived: -at(b,A) | at(d,climb(d,A)) | -situation(A) | -situation(A) | -situation(B) | -at(c,B) | at(b,skate(b,B)) | -situation(B).  [resolve(4,d,6,a)].
% 0.74/1.02  7 -at(d,A) | at(b,climb(b,A)) | -situation(A) | cold(B) | -situation(A) | -situation(B).  [resolve(3,a,2,a)].
% 0.74/1.02  Derived: -at(d,A) | at(b,climb(b,A)) | -situation(A) | -situation(A) | -situation(B) | -at(b,B) | at(c,skate(c,B)) | -situation(B).  [resolve(7,d,5,a)].
% 0.74/1.02  Derived: -at(d,A) | at(b,climb(b,A)) | -situation(A) | -situation(A) | -situation(B) | -at(c,B) | at(b,skate(b,B)) | -situation(B).  [resolve(7,d,6,a)].
% 0.74/1.02  
% 0.74/1.02  ============================== end predicate elimination =============
% 0.74/1.02  
% 0.74/1.02  Auto_denials:  (non-Horn, no changes).
% 0.94/1.21  
% 0.94/1.21  Term ordering decisions:
% 0.94/1.21  Function symbol KB weights:  b=1. c=1. d=1. a=1. f=1. e=1. s0=1. go=1. climb=1. skate=1. drive=1. walk=1.
% 0.94/1.21  
% 0.94/1.21  ============================== end of process initial clauses ========
% 0.94/1.21  
% 0.94/1.21  ============================== CLAUSES FOR SEARCH ====================
% 0.94/1.21  
% 0.94/1.21  ============================== end of clauses for search =============
% 0.94/1.21  
% 0.94/1.21  ============================== SEARCH ================================
% 0.94/1.21  
% 0.94/1.21  % Starting search at 0.01 seconds.
% 0.94/1.21  
% 0.94/1.21  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 89 (0.00 of 0.13 sec).
% 0.94/1.21  
% 0.94/1.21  ============================== PROOF =================================
% 0.94/1.21  % SZS status Unsatisfiable
% 0.94/1.21  % SZS output start Refutation
% 0.94/1.21  
% 0.94/1.21  % Proof 1 at 0.19 (+ 0.01) seconds.
% 0.94/1.21  % Length of proof is 32.
% 0.94/1.21  % Level of proof is 8.
% 0.94/1.21  % Maximum clause weight is 20.000.
% 0.94/1.21  % Given clauses 1244.
% 0.94/1.21  
% 0.94/1.21  2 warm(A) | cold(B) | -situation(A) | -situation(B) # label(warm_or_cold) # label(hypothesis).  [assumption].
% 0.94/1.21  3 -warm(A) | -at(d,A) | at(b,climb(b,A)) | -situation(A) # label(climb_mountain_d_to_b) # label(hypothesis).  [assumption].
% 0.94/1.21  6 -cold(A) | -at(c,A) | at(b,skate(b,A)) | -situation(A) # label(cross_river_c_to_b) # label(hypothesis).  [assumption].
% 0.94/1.21  7 -at(d,A) | at(b,climb(b,A)) | -situation(A) | cold(B) | -situation(A) | -situation(B).  [resolve(3,a,2,a)].
% 0.94/1.21  8 situation(s0) # label(initial_situation) # label(hypothesis).  [assumption].
% 0.94/1.21  9 at(f,s0) # label(initial) # label(hypothesis).  [assumption].
% 0.94/1.21  10 -at(a,A) | -situation(A) # label(prove_you_can_get_to_a_in_a_situation) # label(negated_conjecture).  [assumption].
% 0.94/1.21  12 -situation(A) | situation(drive(B,A)) # label(drive_situation) # label(hypothesis).  [assumption].
% 0.94/1.21  13 -situation(A) | situation(climb(B,A)) # label(climb_situation) # label(hypothesis).  [assumption].
% 0.94/1.21  14 -situation(A) | situation(skate(B,A)) # label(skate_situation) # label(hypothesis).  [assumption].
% 0.94/1.21  15 -situation(A) | situation(go(B,A)) # label(go_situation) # label(hypothesis).  [assumption].
% 0.94/1.21  17 -at(b,A) | at(a,drive(a,A)) | -situation(A) # label(drive_b_to_a) # label(hypothesis).  [assumption].
% 0.94/1.21  19 -at(d,A) | at(c,go(c,A)) | -situation(A) # label(go_d_to_c) # label(hypothesis).  [assumption].
% 0.94/1.21  23 -at(f,A) | at(d,go(d,A)) | -situation(A) # label(go_f_to_d) # label(hypothesis).  [assumption].
% 0.94/1.21  30 -at(d,A) | at(b,climb(b,A)) | -situation(A) | -situation(A) | -situation(B) | -at(c,B) | at(b,skate(b,B)) | -situation(B).  [resolve(7,d,6,a)].
% 0.94/1.21  31 -at(d,A) | at(b,climb(b,A)) | -situation(A) | -situation(B) | -at(c,B) | at(b,skate(b,B)).  [copy(30),merge(d),merge(h)].
% 0.94/1.21  41 situation(go(A,s0)).  [resolve(15,a,8,a)].
% 0.94/1.21  42 at(d,go(d,s0)).  [resolve(23,a,9,a),unit_del(b,8)].
% 0.94/1.21  67 situation(go(A,go(B,s0))).  [resolve(41,a,15,a)].
% 0.94/1.21  69 situation(climb(A,go(B,s0))).  [resolve(41,a,13,a)].
% 0.94/1.21  76 at(b,climb(b,go(d,s0))) | -situation(A) | -at(c,A) | at(b,skate(b,A)).  [resolve(42,a,31,a),unit_del(b,41)].
% 0.94/1.21  79 at(c,go(c,go(d,s0))).  [resolve(42,a,19,a),unit_del(b,41)].
% 0.94/1.21  203 situation(skate(A,go(B,go(C,s0)))).  [resolve(67,a,14,a)].
% 0.94/1.21  217 situation(drive(A,climb(B,go(C,s0)))).  [resolve(69,a,12,a)].
% 0.94/1.21  294 at(b,climb(b,go(d,s0))) | at(b,skate(b,go(c,go(d,s0)))).  [resolve(76,c,79,a),unit_del(b,67)].
% 0.94/1.21  863 situation(drive(A,skate(B,go(C,go(D,s0))))).  [resolve(203,a,12,a)].
% 0.94/1.21  939 -at(a,drive(A,climb(B,go(C,s0)))).  [ur(10,b,217,a)].
% 0.94/1.21  1307 at(b,climb(b,go(d,s0))) | at(a,drive(a,skate(b,go(c,go(d,s0))))).  [resolve(294,b,17,a),unit_del(c,203)].
% 0.94/1.21  1309 -at(b,climb(A,go(B,s0))).  [ur(17,b,939,a,c,69,a)].
% 0.94/1.21  1311 at(a,drive(a,skate(b,go(c,go(d,s0))))).  [back_unit_del(1307),unit_del(a,1309)].
% 0.94/1.21  4155 -at(a,drive(A,skate(B,go(C,go(D,s0))))).  [ur(10,b,863,a)].
% 0.94/1.21  4156 $F.  [resolve(4155,a,1311,a)].
% 0.94/1.21  
% 0.94/1.21  % SZS output end Refutation
% 0.94/1.21  ============================== end of proof ==========================
% 0.94/1.21  
% 0.94/1.21  ============================== STATISTICS ============================
% 0.94/1.21  
% 0.94/1.21  Given=1244. Generated=4245. Kept=4144. proofs=1.
% 0.94/1.21  Usable=1228. Sos=2884. Demods=0. Limbo=5, Disabled=55. Hints=0.
% 0.94/1.21  Megabytes=3.86.
% 0.94/1.21  User_CPU=0.19, System_CPU=0.01, Wall_clock=0.
% 0.94/1.21  
% 0.94/1.21  ============================== end of statistics =====================
% 0.94/1.21  
% 0.94/1.21  ============================== end of search =========================
% 0.94/1.21  
% 0.94/1.21  THEOREM PROVED
% 0.94/1.21  % SZS status Unsatisfiable
% 0.94/1.21  
% 0.94/1.21  Exiting with 1 proof.
% 0.94/1.21  
% 0.94/1.21  Process 28160 exit (max_proofs) Tue May 31 19:44:22 2022
% 0.94/1.21  Prover9 interrupted
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