0.00/0.12 % Problem : theBenchmark.p : TPTP v0.0.0. Released v0.0.0. 0.11/0.12 % Command : tptp2X_and_run_prover9 %d %s 0.12/0.33 % Computer : n024.cluster.edu 0.12/0.33 % Model : x86_64 x86_64 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz 0.12/0.33 % Memory : 8042.1875MB 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64 0.12/0.33 % CPULimit : 960 0.12/0.33 % WCLimit : 120 0.12/0.33 % DateTime : Tue Aug 9 02:21:22 EDT 2022 0.12/0.33 % CPUTime : 0.45/1.07 ============================== Prover9 =============================== 0.45/1.07 Prover9 (32) version 2009-11A, November 2009. 0.45/1.07 Process 29501 was started by sandbox2 on n024.cluster.edu, 0.45/1.07 Tue Aug 9 02:21:23 2022 0.45/1.07 The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 960 -f /tmp/Prover9_29145_n024.cluster.edu". 0.45/1.07 ============================== end of head =========================== 0.45/1.07 0.45/1.07 ============================== INPUT ================================= 0.45/1.07 0.45/1.07 % Reading from file /tmp/Prover9_29145_n024.cluster.edu 0.45/1.07 0.45/1.07 set(prolog_style_variables). 0.45/1.07 set(auto2). 0.45/1.07 % set(auto2) -> set(auto). 0.45/1.07 % set(auto) -> set(auto_inference). 0.45/1.07 % set(auto) -> set(auto_setup). 0.45/1.07 % set(auto_setup) -> set(predicate_elim). 0.45/1.07 % set(auto_setup) -> assign(eq_defs, unfold). 0.45/1.07 % set(auto) -> set(auto_limits). 0.45/1.07 % set(auto_limits) -> assign(max_weight, "100.000"). 0.45/1.07 % set(auto_limits) -> assign(sos_limit, 20000). 0.45/1.07 % set(auto) -> set(auto_denials). 0.45/1.07 % set(auto) -> set(auto_process). 0.45/1.07 % set(auto2) -> assign(new_constants, 1). 0.45/1.07 % set(auto2) -> assign(fold_denial_max, 3). 0.45/1.07 % set(auto2) -> assign(max_weight, "200.000"). 0.45/1.07 % set(auto2) -> assign(max_hours, 1). 0.45/1.07 % assign(max_hours, 1) -> assign(max_seconds, 3600). 0.45/1.07 % set(auto2) -> assign(max_seconds, 0). 0.45/1.07 % set(auto2) -> assign(max_minutes, 5). 0.45/1.07 % assign(max_minutes, 5) -> assign(max_seconds, 300). 0.45/1.07 % set(auto2) -> set(sort_initial_sos). 0.45/1.07 % set(auto2) -> assign(sos_limit, -1). 0.45/1.07 % set(auto2) -> assign(lrs_ticks, 3000). 0.45/1.07 % set(auto2) -> assign(max_megs, 400). 0.45/1.07 % set(auto2) -> assign(stats, some). 0.45/1.07 % set(auto2) -> clear(echo_input). 0.45/1.07 % set(auto2) -> set(quiet). 0.45/1.07 % set(auto2) -> clear(print_initial_clauses). 0.45/1.07 % set(auto2) -> clear(print_given). 0.45/1.07 assign(lrs_ticks,-1). 0.45/1.07 assign(sos_limit,10000). 0.45/1.07 assign(order,kbo). 0.45/1.07 set(lex_order_vars). 0.45/1.07 clear(print_given). 0.45/1.07 0.45/1.07 % formulas(sos). % not echoed (3 formulas) 0.45/1.07 0.45/1.07 ============================== end of input ========================== 0.45/1.07 0.45/1.07 % From the command line: assign(max_seconds, 960). 0.45/1.07 0.45/1.07 ============================== PROCESS NON-CLAUSAL FORMULAS ========== 0.45/1.07 0.45/1.07 % Formulas that are not ordinary clauses: 0.45/1.07 1 (all B (element(B) <-> (exists C (C = times(B,B) & times(B,C) = B)))) # label(axiom_2) # label(axiom) # label(non_clause). [assumption]. 0.45/1.07 2 (all A all B all C times(times(A,B),C) = times(B,times(C,A))) # label(axiom_1) # label(axiom) # label(non_clause). [assumption]. 0.45/1.07 3 -(all A all B all C (element(B) & times(A,B) = C & element(A) -> element(C))) # label(conjecture_1) # label(negated_conjecture) # label(non_clause). [assumption]. 0.45/1.07 0.45/1.07 ============================== end of process non-clausal formulas === 0.45/1.07 0.45/1.07 ============================== PROCESS INITIAL CLAUSES =============== 0.45/1.07 0.45/1.07 ============================== PREDICATE ELIMINATION ================= 0.45/1.07 0.45/1.07 ============================== end predicate elimination ============= 0.45/1.07 0.45/1.07 Auto_denials: 0.45/1.07 % copying label conjecture_1 to answer in negative clause 0.45/1.07 0.45/1.07 Term ordering decisions: 0.45/1.07 0.45/1.07 % Assigning unary symbol f1 kb_weight 0 and highest precedence (7). 0.45/1.07 Function symbol KB weights: c1=1. c2=1. c3=1. times=1. f1=0. 0.45/1.07 0.45/1.07 ============================== end of process initial clauses ======== 0.45/1.07 0.45/1.07 ============================== CLAUSES FOR SEARCH ==================== 0.45/1.07 0.45/1.07 ============================== end of clauses for search ============= 0.45/1.07 0.45/1.07 ============================== SEARCH ================================ 0.45/1.07 0.45/1.07 % Starting search at 0.01 seconds. 0.45/1.07 0.45/1.07 ============================== PROOF ================================= 0.45/1.07 % SZS status Theorem 0.45/1.07 % SZS output start Refutation 0.45/1.07 0.45/1.07 % Proof 1 at 0.05 (+ 0.00) seconds: conjecture_1. 0.45/1.07 % Length of proof is 32. 0.45/1.07 % Level of proof is 9. 0.45/1.07 % Maximum clause weight is 15.000. 0.45/1.07 % Given clauses 40. 0.45/1.07 0.45/1.07 1 (all B (element(B) <-> (exists C (C = times(B,B) & times(B,C) = B)))) # label(axiom_2) # label(axiom) # label(non_clause). [assumption]. 0.45/1.07 2 (all A all B all C times(times(A,B),C) = times(B,times(C,A))) # label(axiom_1) # label(axiom) # label(non_clause). [assumption]. 0.45/1.07 3 -(all A all B all C (element(B) & times(A,B) = C & element(A) -> element(C))) # label(conjecture_1) # label(negated_conjecture) # label(non_clause). [assumption]. 0.45/1.07 4 element(c2) # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.45/1.07 5 element(c1) # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.45/1.07 6 times(c1,c2) = c3 # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.45/1.07 7 c3 = times(c1,c2). [copy(6),flip(a)]. 0.45/1.07 8 times(times(A,B),C) = times(B,times(C,A)) # label(axiom_1) # label(axiom). [clausify(2)]. 0.45/1.07 9 -element(c3) # label(conjecture_1) # label(negated_conjecture) # answer(conjecture_1). [clausify(3)]. 0.45/1.07 10 -element(times(c1,c2)) # answer(conjecture_1). [copy(9),rewrite([7(1)])]. 0.45/1.07 11 -element(A) | times(A,A) = f1(A) # label(axiom_2) # label(axiom). [clausify(1)]. 0.45/1.07 12 -element(A) | times(A,f1(A)) = A # label(axiom_2) # label(axiom). [clausify(1)]. 0.45/1.07 13 element(A) | times(A,A) != B | times(A,B) != A # label(axiom_2) # label(axiom). [clausify(1)]. 0.45/1.07 14 times(A,times(B,times(C,D))) = times(C,times(D,times(A,B))). [para(8(a,1),8(a,1,1)),rewrite([8(3),8(3),8(2)])]. 0.45/1.07 15 times(c1,c1) = f1(c1). [hyper(11,a,5,a)]. 0.45/1.07 16 times(c2,c2) = f1(c2). [hyper(11,a,4,a)]. 0.45/1.07 17 times(c1,f1(c1)) = c1. [hyper(12,a,5,a)]. 0.45/1.07 18 times(c2,f1(c2)) = c2. [hyper(12,a,4,a)]. 0.45/1.07 19 times(c2,times(f1(c1),times(c2,times(c2,c1)))) != times(c1,c2) # answer(conjecture_1). [ur(13,a,10,a,b,8,a),rewrite([8(9),15(8),8(10),8(9),8(9),8(8)])]. 0.45/1.07 29 times(c2,times(c2,times(c1,times(f1(c1),c2)))) != times(c1,c2) # answer(conjecture_1). [para(14(a,1),19(a,1,2))]. 0.45/1.07 32 times(c1,times(c2,times(f1(c2),f1(c1)))) != times(c1,c2) # answer(conjecture_1). [para(14(a,1),29(a,1)),rewrite([16(8),8(8)])]. 0.45/1.07 33 times(c1,times(A,c1)) = times(f1(c1),A). [para(15(a,1),8(a,1,1)),flip(a)]. 0.45/1.07 35 times(c2,times(A,c2)) = times(f1(c2),A). [para(16(a,1),8(a,1,1)),flip(a)]. 0.45/1.07 37 times(f1(c1),times(A,c1)) = times(c1,A). [para(17(a,1),8(a,1,1)),flip(a)]. 0.45/1.07 39 times(f1(c2),times(A,c2)) = times(c2,A). [para(18(a,1),8(a,1,1)),flip(a)]. 0.45/1.07 59 times(f1(c2),times(f1(c1),times(c1,c2))) != times(c1,c2) # answer(conjecture_1). [para(14(a,1),32(a,1))]. 0.45/1.07 64 times(f1(c1),c1) = c1. [para(15(a,1),33(a,1,2)),rewrite([17(4)]),flip(a)]. 0.45/1.07 119 times(f1(c2),c2) = c2. [para(16(a,1),35(a,1,2)),rewrite([18(4)]),flip(a)]. 0.45/1.07 326 times(A,times(c1,B)) = times(B,times(c1,A)). [para(37(a,1),8(a,2,2)),rewrite([8(3),8(6),64(5),8(3)])]. 0.45/1.07 347 times(f1(c2),times(c2,c1)) != times(c1,c2) # answer(conjecture_1). [back_rewrite(59),rewrite([326(8),17(7)])]. 0.45/1.07 351 times(A,times(c2,B)) = times(B,times(c2,A)). [para(39(a,1),8(a,2,2)),rewrite([8(3),8(6),119(5),8(3)])]. 0.45/1.07 371 $F # answer(conjecture_1). [back_rewrite(347),rewrite([351(6),18(5)]),xx(a)]. 0.45/1.07 0.45/1.07 % SZS output end Refutation 0.45/1.07 ============================== end of proof ========================== 0.45/1.07 0.45/1.07 ============================== STATISTICS ============================ 0.45/1.07 0.45/1.07 Given=40. Generated=643. Kept=365. proofs=1. 0.45/1.07 Usable=34. Sos=290. Demods=65. Limbo=20, Disabled=29. Hints=0. 0.45/1.07 Megabytes=0.45. 0.45/1.07 User_CPU=0.05, System_CPU=0.00, Wall_clock=0. 0.45/1.07 0.45/1.07 ============================== end of statistics ===================== 0.45/1.07 0.45/1.07 ============================== end of search ========================= 0.45/1.07 0.45/1.07 THEOREM PROVED 0.45/1.07 % SZS status Theorem 0.45/1.07 0.45/1.07 Exiting with 1 proof. 0.45/1.07 0.45/1.07 Process 29501 exit (max_proofs) Tue Aug 9 02:21:23 2022 0.45/1.07 Prover9 interrupted 0.45/1.07 EOF