0.06/0.12 % Problem : theBenchmark.p : TPTP v0.0.0. Released v0.0.0. 0.06/0.12 % Command : tptp2X_and_run_prover9 %d %s 0.12/0.34 % Computer : n005.cluster.edu 0.12/0.34 % Model : x86_64 x86_64 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz 0.12/0.34 % Memory : 8042.1875MB 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64 0.12/0.34 % CPULimit : 960 0.12/0.34 % DateTime : Thu Jul 2 08:30:53 EDT 2020 0.12/0.34 % CPUTime : 0.43/0.98 ============================== Prover9 =============================== 0.43/0.98 Prover9 (32) version 2009-11A, November 2009. 0.43/0.98 Process 18566 was started by sandbox2 on n005.cluster.edu, 0.43/0.98 Thu Jul 2 08:30:53 2020 0.43/0.98 The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 960 -f /tmp/Prover9_18412_n005.cluster.edu". 0.43/0.98 ============================== end of head =========================== 0.43/0.98 0.43/0.98 ============================== INPUT ================================= 0.43/0.98 0.43/0.98 % Reading from file /tmp/Prover9_18412_n005.cluster.edu 0.43/0.98 0.43/0.98 set(prolog_style_variables). 0.43/0.98 set(auto2). 0.43/0.98 % set(auto2) -> set(auto). 0.43/0.98 % set(auto) -> set(auto_inference). 0.43/0.98 % set(auto) -> set(auto_setup). 0.43/0.98 % set(auto_setup) -> set(predicate_elim). 0.43/0.98 % set(auto_setup) -> assign(eq_defs, unfold). 0.43/0.98 % set(auto) -> set(auto_limits). 0.43/0.98 % set(auto_limits) -> assign(max_weight, "100.000"). 0.43/0.98 % set(auto_limits) -> assign(sos_limit, 20000). 0.43/0.98 % set(auto) -> set(auto_denials). 0.43/0.98 % set(auto) -> set(auto_process). 0.43/0.98 % set(auto2) -> assign(new_constants, 1). 0.43/0.98 % set(auto2) -> assign(fold_denial_max, 3). 0.43/0.98 % set(auto2) -> assign(max_weight, "200.000"). 0.43/0.98 % set(auto2) -> assign(max_hours, 1). 0.43/0.98 % assign(max_hours, 1) -> assign(max_seconds, 3600). 0.43/0.98 % set(auto2) -> assign(max_seconds, 0). 0.43/0.98 % set(auto2) -> assign(max_minutes, 5). 0.43/0.98 % assign(max_minutes, 5) -> assign(max_seconds, 300). 0.43/0.98 % set(auto2) -> set(sort_initial_sos). 0.43/0.98 % set(auto2) -> assign(sos_limit, -1). 0.43/0.98 % set(auto2) -> assign(lrs_ticks, 3000). 0.43/0.98 % set(auto2) -> assign(max_megs, 400). 0.43/0.98 % set(auto2) -> assign(stats, some). 0.43/0.98 % set(auto2) -> clear(echo_input). 0.43/0.98 % set(auto2) -> set(quiet). 0.43/0.98 % set(auto2) -> clear(print_initial_clauses). 0.43/0.98 % set(auto2) -> clear(print_given). 0.43/0.98 assign(lrs_ticks,-1). 0.43/0.98 assign(sos_limit,10000). 0.43/0.98 assign(order,kbo). 0.43/0.98 set(lex_order_vars). 0.43/0.98 clear(print_given). 0.43/0.98 0.43/0.98 % formulas(sos). % not echoed (17 formulas) 0.43/0.98 0.43/0.98 ============================== end of input ========================== 0.43/0.98 0.43/0.98 % From the command line: assign(max_seconds, 960). 0.43/0.98 0.43/0.98 ============================== PROCESS NON-CLAUSAL FORMULAS ========== 0.43/0.98 0.43/0.98 % Formulas that are not ordinary clauses: 0.43/0.98 1 (all A all B all C addition(multiplication(A,C),multiplication(B,C)) = multiplication(addition(A,B),C)) # label(left_distributivity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 2 (all A multiplication(A,one) = A) # label(multiplicative_right_identity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 3 (all A all B addition(B,A) = addition(A,B)) # label(additive_commutativity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 4 (all A multiplication(one,A) = A) # label(multiplicative_left_identity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 5 (all A all B all C addition(multiplication(A,B),multiplication(A,C)) = multiplication(A,addition(B,C))) # label(right_distributivity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 6 (all A A = addition(A,A)) # label(additive_idempotence) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 7 (all A addition(A,zero) = A) # label(additive_identity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 8 (all A all B (leq(A,B) <-> B = addition(A,B))) # label(order) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 9 (all A multiplication(A,zero) = zero) # label(right_annihilation) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 10 (all C all B all A addition(A,addition(B,C)) = addition(addition(A,B),C)) # label(additive_associativity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 11 (all A zero = multiplication(zero,A)) # label(left_annihilation) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 12 (all A all B all C multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C)) # label(multiplicative_associativity) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 13 (all X0 (test(X0) <-> (exists X1 complement(X1,X0)))) # label(test_1) # label(axiom) # label(non_clause). [assumption]. 0.43/0.98 14 (all X0 all X1 (complement(X1,X0) <-> zero = multiplication(X0,X1) & zero = multiplication(X1,X0) & addition(X0,X1) = one)) # label(test_2) # label(axiom) # label(non_clause). [assumption]. 3.21/3.49 15 (all X0 all X1 (test(X0) -> (complement(X0,X1) <-> X1 = c(X0)))) # label(test_3) # label(axiom) # label(non_clause). [assumption]. 3.21/3.49 16 (all X0 (-test(X0) -> c(X0) = zero)) # label(test_4) # label(axiom) # label(non_clause). [assumption]. 3.21/3.49 17 -(all X0 all X1 (test(X1) & test(X0) -> multiplication(X0,X1) = multiplication(X1,X0))) # label(goals) # label(negated_conjecture) # label(non_clause). [assumption]. 3.21/3.49 3.21/3.49 ============================== end of process non-clausal formulas === 3.21/3.49 3.21/3.49 ============================== PROCESS INITIAL CLAUSES =============== 3.21/3.49 3.21/3.49 ============================== PREDICATE ELIMINATION ================= 3.21/3.49 18 -test(A) | complement(f1(A),A) # label(test_1) # label(axiom). [clausify(13)]. 3.21/3.49 19 test(c2) # label(goals) # label(negated_conjecture). [clausify(17)]. 3.21/3.49 20 test(c1) # label(goals) # label(negated_conjecture). [clausify(17)]. 3.21/3.49 21 test(A) | c(A) = zero # label(test_4) # label(axiom). [clausify(16)]. 3.21/3.49 22 test(A) | -complement(B,A) # label(test_1) # label(axiom). [clausify(13)]. 3.21/3.49 Derived: complement(f1(c2),c2). [resolve(18,a,19,a)]. 3.21/3.49 Derived: complement(f1(c1),c1). [resolve(18,a,20,a)]. 3.21/3.49 Derived: complement(f1(A),A) | c(A) = zero. [resolve(18,a,21,a)]. 3.21/3.49 Derived: complement(f1(A),A) | -complement(B,A). [resolve(18,a,22,a)]. 3.21/3.49 23 -test(A) | -complement(A,B) | c(A) = B # label(test_3) # label(axiom). [clausify(15)]. 3.21/3.49 Derived: -complement(c2,A) | c(c2) = A. [resolve(23,a,19,a)]. 3.21/3.49 Derived: -complement(c1,A) | c(c1) = A. [resolve(23,a,20,a)]. 3.21/3.49 Derived: -complement(A,B) | c(A) = B | c(A) = zero. [resolve(23,a,21,a)]. 3.21/3.49 Derived: -complement(A,B) | c(A) = B | -complement(C,A). [resolve(23,a,22,a)]. 3.21/3.49 24 -test(A) | complement(A,B) | c(A) != B # label(test_3) # label(axiom). [clausify(15)]. 3.21/3.49 Derived: complement(c2,A) | c(c2) != A. [resolve(24,a,19,a)]. 3.21/3.49 Derived: complement(c1,A) | c(c1) != A. [resolve(24,a,20,a)]. 3.21/3.49 Derived: complement(A,B) | c(A) != B | c(A) = zero. [resolve(24,a,21,a)]. 3.21/3.49 Derived: complement(A,B) | c(A) != B | -complement(C,A). [resolve(24,a,22,a)]. 3.21/3.49 25 leq(A,B) | addition(A,B) != B # label(order) # label(axiom). [clausify(8)]. 3.21/3.49 26 -leq(A,B) | addition(A,B) = B # label(order) # label(axiom). [clausify(8)]. 3.21/3.49 3.21/3.49 ============================== end predicate elimination ============= 3.21/3.49 3.21/3.49 Auto_denials: (non-Horn, no changes). 3.21/3.49 3.21/3.49 Term ordering decisions: 3.21/3.49 Function symbol KB weights: zero=1. one=1. c1=1. c2=1. multiplication=1. addition=1. c=1. f1=1. 3.21/3.49 3.21/3.49 ============================== end of process initial clauses ======== 3.21/3.49 3.21/3.49 ============================== CLAUSES FOR SEARCH ==================== 3.21/3.49 3.21/3.49 ============================== end of clauses for search ============= 3.21/3.49 3.21/3.49 ============================== SEARCH ================================ 3.21/3.49 3.21/3.49 % Starting search at 0.01 seconds. 3.21/3.49 3.21/3.49 Low Water (keep): wt=74.000, iters=3467 3.21/3.49 3.21/3.49 Low Water (keep): wt=68.000, iters=3437 3.21/3.49 3.21/3.49 Low Water (keep): wt=64.000, iters=3368 3.21/3.49 3.21/3.49 Low Water (keep): wt=58.000, iters=3363 3.21/3.49 3.21/3.49 Low Water (keep): wt=54.000, iters=3419 3.21/3.49 3.21/3.49 Low Water (keep): wt=53.000, iters=3352 3.21/3.49 3.21/3.49 Low Water (keep): wt=52.000, iters=3348 3.21/3.49 3.21/3.49 Low Water (keep): wt=51.000, iters=3347 3.21/3.49 3.21/3.49 Low Water (keep): wt=50.000, iters=3417 3.21/3.49 3.21/3.49 Low Water (keep): wt=48.000, iters=3380 3.21/3.49 3.21/3.49 Low Water (keep): wt=46.000, iters=3333 3.21/3.49 3.21/3.49 Low Water (keep): wt=45.000, iters=3358 3.21/3.49 3.21/3.49 Low Water (keep): wt=42.000, iters=3403 3.21/3.49 3.21/3.49 Low Water (keep): wt=40.000, iters=3354 3.21/3.49 3.21/3.49 Low Water (keep): wt=38.000, iters=3351 3.21/3.49 3.21/3.49 Low Water (keep): wt=37.000, iters=3352 3.21/3.49 3.21/3.49 Low Water (keep): wt=36.000, iters=3364 3.21/3.49 3.21/3.49 Low Water (keep): wt=35.000, iters=3347 3.21/3.49 3.21/3.49 Low Water (keep): wt=34.000, iters=3335 3.21/3.49 3.21/3.49 Low Water (keep): wt=33.000, iters=3350 3.21/3.49 3.21/3.49 NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 110 (0.00 of 1.88 sec). 3.21/3.49 3.21/3.49 Low Water (keep): wt=32.000, iters=3406 3.21/3.49 3.21/3.49 Low Water (keep): wt=31.000, iters=3403 3.21/3.49 3.21/3.49 Low Water (keep): wt=30.000, iters=3348 3.21/3.49 3.21/3.49 Low Water (keep): wt=29.000, iters=3361 3.21/3.49 3.21/3.49 Low Water (keep): wt=28.000, iters=3481 3.21/3.49 3.21/3.49 Low Water (keep): wt=27.000, iters=3396 3.21/3.49 3.21/3.49 Low Water (keep): wt=26.000, iters=3352 3.21/3.49 3.21/3.49 Low Water (keep): wt=25.000, iters=3356 3.21/3.49 3.21/3.49 Low Water (keep): wt=24.000, iters=3341 3.21/3.49 3.21/3.49 Low Water (displace): id=5970, wt=107.000 3.21/3.49 3.21/3.49 Low Water (displace): id=11177, wt=23.000 8.77/9.11 8.77/9.11 Low Water (displace): id=11464, wt=21.000 8.77/9.11 8.77/9.11 Low Water (keep): wt=23.000, iters=3338 8.77/9.11 8.77/9.11 Low Water (displace): id=11630, wt=20.000 8.77/9.11 8.77/9.11 Low Water (displace): id=11683, wt=17.000 8.77/9.11 8.77/9.11 Low Water (displace): id=11700, wt=16.000 8.77/9.11 8.77/9.11 Low Water (displace): id=11711, wt=15.000 8.77/9.11 8.77/9.11 Low Water (displace): id=11819, wt=14.000 8.77/9.11 8.77/9.11 Low Water (displace): id=12626, wt=13.000 8.77/9.11 8.77/9.11 Low Water (keep): wt=22.000, iters=3334 8.77/9.11 8.77/9.11 Low Water (keep): wt=21.000, iters=3341 8.77/9.11 8.77/9.11 Low Water (keep): wt=20.000, iters=3339 8.77/9.11 8.77/9.11 ============================== PROOF ================================= 8.77/9.11 % SZS status Theorem 8.77/9.11 % SZS output start Refutation 8.77/9.11 8.77/9.11 % Proof 1 at 7.97 (+ 0.16) seconds. 8.77/9.11 % Length of proof is 67. 8.77/9.11 % Level of proof is 11. 8.77/9.11 % Maximum clause weight is 17.000. 8.77/9.11 % Given clauses 1139. 8.77/9.11 8.77/9.11 1 (all A all B all C addition(multiplication(A,C),multiplication(B,C)) = multiplication(addition(A,B),C)) # label(left_distributivity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 2 (all A multiplication(A,one) = A) # label(multiplicative_right_identity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 3 (all A all B addition(B,A) = addition(A,B)) # label(additive_commutativity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 4 (all A multiplication(one,A) = A) # label(multiplicative_left_identity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 5 (all A all B all C addition(multiplication(A,B),multiplication(A,C)) = multiplication(A,addition(B,C))) # label(right_distributivity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 6 (all A A = addition(A,A)) # label(additive_idempotence) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 7 (all A addition(A,zero) = A) # label(additive_identity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 10 (all C all B all A addition(A,addition(B,C)) = addition(addition(A,B),C)) # label(additive_associativity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 11 (all A zero = multiplication(zero,A)) # label(left_annihilation) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 12 (all A all B all C multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C)) # label(multiplicative_associativity) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 13 (all X0 (test(X0) <-> (exists X1 complement(X1,X0)))) # label(test_1) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 14 (all X0 all X1 (complement(X1,X0) <-> zero = multiplication(X0,X1) & zero = multiplication(X1,X0) & addition(X0,X1) = one)) # label(test_2) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 15 (all X0 all X1 (test(X0) -> (complement(X0,X1) <-> X1 = c(X0)))) # label(test_3) # label(axiom) # label(non_clause). [assumption]. 8.77/9.11 17 -(all X0 all X1 (test(X1) & test(X0) -> multiplication(X0,X1) = multiplication(X1,X0))) # label(goals) # label(negated_conjecture) # label(non_clause). [assumption]. 8.77/9.11 18 -test(A) | complement(f1(A),A) # label(test_1) # label(axiom). [clausify(13)]. 8.77/9.11 19 test(c2) # label(goals) # label(negated_conjecture). [clausify(17)]. 8.77/9.11 20 test(c1) # label(goals) # label(negated_conjecture). [clausify(17)]. 8.77/9.11 24 -test(A) | complement(A,B) | c(A) != B # label(test_3) # label(axiom). [clausify(15)]. 8.77/9.11 27 multiplication(A,one) = A # label(multiplicative_right_identity) # label(axiom). [clausify(2)]. 8.77/9.11 28 multiplication(one,A) = A # label(multiplicative_left_identity) # label(axiom). [clausify(4)]. 8.77/9.11 29 addition(A,A) = A # label(additive_idempotence) # label(axiom). [clausify(6)]. 8.77/9.11 30 addition(A,zero) = A # label(additive_identity) # label(axiom). [clausify(7)]. 8.77/9.11 32 multiplication(zero,A) = zero # label(left_annihilation) # label(axiom). [clausify(11)]. 8.77/9.11 33 addition(A,B) = addition(B,A) # label(additive_commutativity) # label(axiom). [clausify(3)]. 8.77/9.11 34 addition(addition(A,B),C) = addition(A,addition(B,C)) # label(additive_associativity) # label(axiom). [clausify(10)]. 8.77/9.11 35 addition(A,addition(B,C)) = addition(C,addition(A,B)). [copy(34),rewrite([33(2)]),flip(a)]. 8.77/9.11 36 multiplication(multiplication(A,B),C) = multiplication(A,multiplication(B,C)) # label(multiplicative_associativity) # label(axiom). [clausify(12)]. 8.77/9.11 37 addition(multiplication(A,B),multiplication(C,B)) = multiplication(addition(A,C),B) # label(left_distributivity) # label(axiom). [clausify(1)]. 8.77/9.11 38 addition(multiplication(A,B),multiplication(A,C)) = multiplication(A,addition(B,C)) # label(right_distributivity) # label(axiom). [clausify(5)]. 8.77/9.11 39 multiplication(c2,c1) != multiplication(c1,c2) # label(goals) # label(negated_conjecture). [clausify(17)]. 8.77/9.11 41 -complement(A,B) | multiplication(A,B) = zero # label(test_2) # label(axiom). [clausify(14)]. 8.77/9.11 42 -complement(A,B) | addition(B,A) = one # label(test_2) # label(axiom). [clausify(14)]. 8.77/9.11 43 -complement(A,B) | addition(A,B) = one. [copy(42),rewrite([33(2)])]. 8.77/9.11 46 complement(f1(c2),c2). [resolve(18,a,19,a)]. 8.77/9.11 47 complement(f1(c1),c1). [resolve(18,a,20,a)]. 8.77/9.11 54 complement(c2,A) | c(c2) != A. [resolve(24,a,19,a)]. 8.77/9.11 55 complement(c1,A) | c(c1) != A. [resolve(24,a,20,a)]. 8.77/9.11 61 addition(A,addition(A,B)) = addition(A,B). [para(35(a,1),29(a,1)),rewrite([33(1),33(2),35(2,R),29(1),33(3)])]. 8.77/9.11 62 addition(A,multiplication(B,A)) = multiplication(addition(B,one),A). [para(28(a,1),37(a,1,1)),rewrite([33(4)])]. 8.77/9.11 63 addition(zero,multiplication(A,B)) = multiplication(A,B). [para(30(a,1),37(a,2,1)),rewrite([32(3),33(3)])]. 8.77/9.11 64 addition(multiplication(A,multiplication(B,C)),multiplication(D,C)) = multiplication(addition(D,multiplication(A,B)),C). [para(36(a,1),37(a,1,1)),rewrite([33(6)])]. 8.77/9.11 73 addition(c2,f1(c2)) = one. [resolve(46,a,43,a),rewrite([33(4)])]. 8.77/9.11 76 addition(c1,f1(c1)) = one. [resolve(47,a,43,a),rewrite([33(4)])]. 8.77/9.11 90 complement(c2,c(c2)). [resolve(54,b,29,a(flip)),rewrite([29(6)])]. 8.77/9.11 92 complement(c1,c(c1)). [resolve(55,b,29,a(flip)),rewrite([29(6)])]. 8.77/9.11 104 addition(c2,c(c2)) = one. [resolve(90,a,43,a)]. 8.77/9.11 105 multiplication(c2,c(c2)) = zero. [resolve(90,a,41,a)]. 8.77/9.11 110 addition(c1,c(c1)) = one. [resolve(92,a,43,a)]. 8.77/9.11 111 multiplication(c1,c(c1)) = zero. [resolve(92,a,41,a)]. 8.77/9.11 114 addition(A,addition(B,multiplication(C,A))) = addition(B,multiplication(addition(C,one),A)). [para(62(a,1),35(a,2,2)),rewrite([33(2)])]. 8.77/9.11 149 addition(one,c2) = one. [para(73(a,1),61(a,1,2)),rewrite([33(3),73(7)])]. 8.77/9.11 168 addition(one,c1) = one. [para(76(a,1),61(a,1,2)),rewrite([33(3),76(7)])]. 8.77/9.11 229 multiplication(c2,addition(A,c(c2))) = multiplication(c2,A). [para(105(a,1),38(a,1,1)),rewrite([63(4),33(6)]),flip(a)]. 8.77/9.11 257 multiplication(c1,addition(A,c(c1))) = multiplication(c1,A). [para(111(a,1),38(a,1,1)),rewrite([63(4),33(6)]),flip(a)]. 8.77/9.11 481 addition(multiplication(A,B),multiplication(addition(A,one),C)) = addition(C,multiplication(A,addition(C,B))). [para(38(a,1),114(a,1,2)),rewrite([33(1)]),flip(a)]. 8.77/9.11 667 multiplication(c2,addition(A,addition(B,c(c2)))) = multiplication(c2,addition(A,B)). [para(229(a,1),38(a,1,1)),rewrite([38(5),33(8),35(8,R),33(7)]),flip(a)]. 8.77/9.11 722 multiplication(c1,addition(A,addition(B,c(c1)))) = multiplication(c1,addition(A,B)). [para(257(a,1),38(a,1,1)),rewrite([38(5),33(8),35(8,R),33(7)]),flip(a)]. 8.77/9.11 728 multiplication(c1,c1) = c1. [para(110(a,1),257(a,1,2)),rewrite([27(3)]),flip(a)]. 8.77/9.11 733 multiplication(c1,multiplication(c1,A)) = multiplication(c1,A). [para(728(a,1),36(a,1,1)),flip(a)]. 8.77/9.11 781 multiplication(c1,addition(A,multiplication(c1,B))) = multiplication(c1,addition(B,A)). [para(733(a,1),38(a,1,1)),rewrite([38(5),33(7)]),flip(a)]. 8.77/9.11 15910 addition(A,multiplication(c2,addition(B,A))) = addition(A,multiplication(c2,B)). [para(229(a,1),481(a,1,1)),rewrite([33(5),149(5),28(4),33(3),35(8,R),33(7),667(9)]),flip(a)]. 8.77/9.11 15912 addition(A,multiplication(c1,addition(B,A))) = addition(A,multiplication(c1,B)). [para(257(a,1),481(a,1,1)),rewrite([33(5),168(5),28(4),33(3),35(8,R),33(7),722(9)]),flip(a)]. 8.77/9.11 18901 addition(c(c1),multiplication(c2,c1)) = addition(c2,c(c1)). [para(110(a,1),15910(a,1,2,2)),rewrite([27(5),33(4)]),flip(a)]. 8.77/9.11 18981 multiplication(c1,multiplication(c2,c1)) = multiplication(c1,c2). [para(18901(a,1),781(a,2,2)),rewrite([111(8),33(6),63(6),257(11)])]. 8.77/9.11 18998 addition(multiplication(c1,c2),multiplication(A,c1)) = multiplication(addition(A,multiplication(c1,c2)),c1). [para(18981(a,1),64(a,1,1))]. 8.77/9.11 19102 addition(c(c2),multiplication(c1,c2)) = addition(c1,c(c2)). [para(104(a,1),15912(a,1,2,2)),rewrite([27(5),33(4)]),flip(a)]. 8.77/9.11 19178 $F. [para(19102(a,1),15910(a,1,2,2)),rewrite([229(9),18998(7),62(5),33(3),168(3),28(3),105(10),33(8),63(8)]),unit_del(a,39)]. 8.77/9.11 8.77/9.11 % SZS output end Refutation 8.77/9.11 ============================== end of proof ========================== 8.77/9.11 8.77/9.11 ============================== STATISTICS ============================ 8.77/9.11 8.77/9.11 Given=1139. Generated=227679. Kept=19148. proofs=1. 8.77/9.11 Usable=950. Sos=9999. Demods=2319. Limbo=6, Disabled=8230. Hints=0. 8.77/9.11 Megabytes=17.63. 8.77/9.11 User_CPU=7.97, System_CPU=0.16, Wall_clock=8. 8.77/9.11 8.77/9.11 ============================== end of statistics ===================== 8.77/9.11 8.77/9.11 ============================== end of search ========================= 8.77/9.11 8.77/9.11 THEOREM PROVED 8.77/9.11 % SZS status Theorem 8.77/9.11 8.77/9.11 Exiting with 1 proof. 8.77/9.11 8.77/9.11 Process 18566 exit (max_proofs) Thu Jul 2 08:31:01 2020 8.77/9.11 Prover9 interrupted 8.77/9.11 EOF