0.00/0.06 % Problem : theBenchmark.p : TPTP v0.0.0. Released v0.0.0. 0.00/0.06 % Command : tptp2X_and_run_prover9 %d %s 0.06/0.24 % Computer : n014.cluster.edu 0.06/0.24 % Model : x86_64 x86_64 0.06/0.24 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz 0.06/0.24 % Memory : 8042.1875MB 0.06/0.24 % OS : Linux 3.10.0-693.el7.x86_64 0.06/0.24 % CPULimit : 1200 0.06/0.24 % DateTime : Tue Jul 13 10:42:49 EDT 2021 0.06/0.25 % CPUTime : 0.59/0.92 ============================== Prover9 =============================== 0.59/0.92 Prover9 (32) version 2009-11A, November 2009. 0.59/0.92 Process 31750 was started by sandbox2 on n014.cluster.edu, 0.59/0.92 Tue Jul 13 10:42:50 2021 0.59/0.92 The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 1200 -f /tmp/Prover9_31597_n014.cluster.edu". 0.59/0.92 ============================== end of head =========================== 0.59/0.92 0.59/0.92 ============================== INPUT ================================= 0.59/0.92 0.59/0.92 % Reading from file /tmp/Prover9_31597_n014.cluster.edu 0.59/0.92 0.59/0.92 set(prolog_style_variables). 0.59/0.92 set(auto2). 0.59/0.92 % set(auto2) -> set(auto). 0.59/0.92 % set(auto) -> set(auto_inference). 0.59/0.92 % set(auto) -> set(auto_setup). 0.59/0.92 % set(auto_setup) -> set(predicate_elim). 0.59/0.92 % set(auto_setup) -> assign(eq_defs, unfold). 0.59/0.92 % set(auto) -> set(auto_limits). 0.59/0.92 % set(auto_limits) -> assign(max_weight, "100.000"). 0.59/0.92 % set(auto_limits) -> assign(sos_limit, 20000). 0.59/0.92 % set(auto) -> set(auto_denials). 0.59/0.92 % set(auto) -> set(auto_process). 0.59/0.92 % set(auto2) -> assign(new_constants, 1). 0.59/0.92 % set(auto2) -> assign(fold_denial_max, 3). 0.59/0.92 % set(auto2) -> assign(max_weight, "200.000"). 0.59/0.92 % set(auto2) -> assign(max_hours, 1). 0.59/0.92 % assign(max_hours, 1) -> assign(max_seconds, 3600). 0.59/0.92 % set(auto2) -> assign(max_seconds, 0). 0.59/0.92 % set(auto2) -> assign(max_minutes, 5). 0.59/0.92 % assign(max_minutes, 5) -> assign(max_seconds, 300). 0.59/0.92 % set(auto2) -> set(sort_initial_sos). 0.59/0.92 % set(auto2) -> assign(sos_limit, -1). 0.59/0.92 % set(auto2) -> assign(lrs_ticks, 3000). 0.59/0.92 % set(auto2) -> assign(max_megs, 400). 0.59/0.92 % set(auto2) -> assign(stats, some). 0.59/0.92 % set(auto2) -> clear(echo_input). 0.59/0.92 % set(auto2) -> set(quiet). 0.59/0.92 % set(auto2) -> clear(print_initial_clauses). 0.59/0.92 % set(auto2) -> clear(print_given). 0.59/0.92 assign(lrs_ticks,-1). 0.59/0.92 assign(sos_limit,10000). 0.59/0.92 assign(order,kbo). 0.59/0.92 set(lex_order_vars). 0.59/0.92 clear(print_given). 0.59/0.92 0.59/0.92 % formulas(sos). % not echoed (3 formulas) 0.59/0.92 0.59/0.92 ============================== end of input ========================== 0.59/0.92 0.59/0.92 % From the command line: assign(max_seconds, 1200). 0.59/0.92 0.59/0.92 ============================== PROCESS NON-CLAUSAL FORMULAS ========== 0.59/0.92 0.59/0.92 % Formulas that are not ordinary clauses: 0.59/0.92 1 (all B ((exists C (C = times(B,B) & times(B,C) = B)) <-> element(B))) # label(axiom_2) # label(axiom) # label(non_clause). [assumption]. 0.59/0.92 2 (all A all B all C times(B,times(C,A)) = times(times(A,B),C)) # label(axiom_1) # label(axiom) # label(non_clause). [assumption]. 0.59/0.92 3 -(all A all B all C (element(A) & times(A,B) = C & element(B) -> element(C))) # label(conjecture_1) # label(negated_conjecture) # label(non_clause). [assumption]. 0.59/0.92 0.59/0.92 ============================== end of process non-clausal formulas === 0.59/0.92 0.59/0.92 ============================== PROCESS INITIAL CLAUSES =============== 0.59/0.92 0.59/0.92 ============================== PREDICATE ELIMINATION ================= 0.59/0.92 0.59/0.92 ============================== end predicate elimination ============= 0.59/0.92 0.59/0.92 Auto_denials: 0.59/0.92 % copying label conjecture_1 to answer in negative clause 0.59/0.92 0.59/0.92 Term ordering decisions: 0.59/0.92 0.59/0.92 % Assigning unary symbol f1 kb_weight 0 and highest precedence (7). 0.59/0.92 Function symbol KB weights: c1=1. c2=1. c3=1. times=1. f1=0. 0.59/0.92 0.59/0.92 ============================== end of process initial clauses ======== 0.59/0.92 0.59/0.92 ============================== CLAUSES FOR SEARCH ==================== 0.59/0.92 0.59/0.92 ============================== end of clauses for search ============= 0.59/0.92 0.59/0.92 ============================== SEARCH ================================ 0.59/0.92 0.59/0.92 % Starting search at 0.01 seconds. 0.59/0.92 0.59/0.92 ============================== PROOF ================================= 0.59/0.92 % SZS status Theorem 0.59/0.92 % SZS output start Refutation 0.59/0.92 0.59/0.92 % Proof 1 at 0.05 (+ 0.00) seconds: conjecture_1. 0.59/0.92 % Length of proof is 31. 0.59/0.92 % Level of proof is 8. 0.59/0.92 % Maximum clause weight is 15.000. 0.59/0.92 % Given clauses 40. 0.59/0.92 0.59/0.92 1 (all B ((exists C (C = times(B,B) & times(B,C) = B)) <-> element(B))) # label(axiom_2) # label(axiom) # label(non_clause). [assumption]. 0.59/0.92 2 (all A all B all C times(B,times(C,A)) = times(times(A,B),C)) # label(axiom_1) # label(axiom) # label(non_clause). [assumption]. 0.59/0.92 3 -(all A all B all C (element(A) & times(A,B) = C & element(B) -> element(C))) # label(conjecture_1) # label(negated_conjecture) # label(non_clause). [assumption]. 0.59/0.92 4 element(c1) # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.59/0.92 5 element(c2) # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.59/0.92 6 times(c1,c2) = c3 # label(conjecture_1) # label(negated_conjecture). [clausify(3)]. 0.59/0.92 7 c3 = times(c1,c2). [copy(6),flip(a)]. 0.59/0.92 8 times(times(A,B),C) = times(B,times(C,A)) # label(axiom_1) # label(axiom). [clausify(2)]. 0.59/0.92 9 -element(c3) # label(conjecture_1) # label(negated_conjecture) # answer(conjecture_1). [clausify(3)]. 0.59/0.92 10 -element(times(c1,c2)) # answer(conjecture_1). [copy(9),rewrite([7(1)])]. 0.59/0.92 11 times(A,A) = f1(A) | -element(A) # label(axiom_2) # label(axiom). [clausify(1)]. 0.59/0.92 12 times(A,f1(A)) = A | -element(A) # label(axiom_2) # label(axiom). [clausify(1)]. 0.59/0.92 13 times(A,A) != B | times(A,B) != A | element(A) # label(axiom_2) # label(axiom). [clausify(1)]. 0.59/0.92 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)])]. 0.59/0.92 15 times(c2,c2) = f1(c2). [hyper(11,b,5,a)]. 0.59/0.92 16 times(c1,c1) = f1(c1). [hyper(11,b,4,a)]. 0.59/0.92 17 times(c2,f1(c2)) = c2. [hyper(12,b,5,a)]. 0.59/0.92 18 times(c1,f1(c1)) = c1. [hyper(12,b,4,a)]. 0.59/0.92 19 times(c2,times(f1(c1),times(c2,times(c2,c1)))) != times(c1,c2) # answer(conjecture_1). [ur(13,a,8,a,c,10,a),rewrite([8(9),16(8),8(10),8(9),8(9),8(8)])]. 0.59/0.92 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))]. 0.59/0.92 32 times(c1,times(c2,times(f1(c2),f1(c1)))) != times(c1,c2) # answer(conjecture_1). [para(14(a,1),29(a,1)),rewrite([15(8),8(8)])]. 0.59/0.92 33 times(c2,times(A,c2)) = times(f1(c2),A). [para(15(a,1),8(a,1,1)),flip(a)]. 0.59/0.92 35 times(c1,times(A,c1)) = times(f1(c1),A). [para(16(a,1),8(a,1,1)),flip(a)]. 0.59/0.92 37 times(f1(c2),times(A,c2)) = times(c2,A). [para(17(a,1),8(a,1,1)),flip(a)]. 0.59/0.92 39 times(f1(c1),times(A,c1)) = times(c1,A). [para(18(a,1),8(a,1,1)),flip(a)]. 0.59/0.92 59 times(f1(c2),times(f1(c1),times(c1,c2))) != times(c1,c2) # answer(conjecture_1). [para(14(a,1),32(a,1))]. 0.59/0.92 64 times(f1(c2),c2) = c2. [para(15(a,1),33(a,1,2)),rewrite([17(4)]),flip(a)]. 0.59/0.92 119 times(f1(c1),c1) = c1. [para(16(a,1),35(a,1,2)),rewrite([18(4)]),flip(a)]. 0.59/0.92 327 times(A,times(c2,B)) = times(B,times(c2,A)). [para(37(a,1),8(a,2,2)),rewrite([8(3),8(6),64(5),8(3)])]. 0.59/0.92 350 times(A,times(c1,B)) = times(B,times(c1,A)). [para(39(a,1),8(a,2,2)),rewrite([8(3),8(6),119(5),8(3)])]. 0.59/0.92 371 $F # answer(conjecture_1). [back_rewrite(59),rewrite([350(8),18(7),327(6),17(5)]),xx(a)]. 0.59/0.92 0.59/0.92 % SZS output end Refutation 0.59/0.92 ============================== end of proof ========================== 0.59/0.92 0.59/0.92 ============================== STATISTICS ============================ 0.59/0.92 0.59/0.92 Given=40. Generated=642. Kept=365. proofs=1. 0.59/0.92 Usable=34. Sos=289. Demods=64. Limbo=21, Disabled=29. Hints=0. 0.59/0.92 Megabytes=0.45. 0.59/0.92 User_CPU=0.05, System_CPU=0.00, Wall_clock=0. 0.59/0.92 0.59/0.92 ============================== end of statistics ===================== 0.59/0.92 0.59/0.92 ============================== end of search ========================= 0.59/0.92 0.59/0.92 THEOREM PROVED 0.59/0.92 % SZS status Theorem 0.59/0.92 0.59/0.92 Exiting with 1 proof. 0.59/0.92 0.59/0.92 Process 31750 exit (max_proofs) Tue Jul 13 10:42:50 2021 0.59/0.92 Prover9 interrupted 0.59/0.92 EOF