TSTP Solution File: GRP208-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : GRP208-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% 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  : 300s
% DateTime : Thu Aug 31 00:58:41 EDT 2023

% Result   : Unsatisfiable 0.52s 1.20s
% Output   : CNFRefutation 0.81s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :   24
% Syntax   : Number of clauses     :  126 (  33 unt;  48 nHn; 111 RR)
%            Number of literals    :  284 ( 239 equ; 134 neg)
%            Maximal clause size   :   16 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   6 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;  13 con; 0-2 aty)
%            Number of variables   :   68 (   5 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c12
    | multiply(sk_c5,sk_c6) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_1) ).

cnf(c_50,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c12
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_2) ).

cnf(c_59,negated_conjecture,
    ( multiply(sk_c5,sk_c6) = sk_c12
    | inverse(sk_c1) = sk_c2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_11) ).

cnf(c_60,negated_conjecture,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c5) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_12) ).

cnf(c_82,negated_conjecture,
    ( multiply(sk_c12,sk_c4) = sk_c11
    | inverse(sk_c7) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_34) ).

cnf(c_83,negated_conjecture,
    ( multiply(sk_c12,sk_c4) = sk_c11
    | multiply(sk_c7,sk_c11) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_35) ).

cnf(c_92,negated_conjecture,
    ( multiply(sk_c3,sk_c12) = sk_c4
    | inverse(sk_c7) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_44) ).

cnf(c_93,negated_conjecture,
    ( multiply(sk_c7,sk_c11) = sk_c12
    | multiply(sk_c3,sk_c12) = sk_c4 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_45) ).

cnf(c_99,negated_conjecture,
    ( multiply(sk_c5,sk_c6) = sk_c12
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_51) ).

cnf(c_101,negated_conjecture,
    ( multiply(sk_c6,sk_c11) = sk_c12
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_53) ).

cnf(c_102,negated_conjecture,
    ( inverse(sk_c7) = sk_c12
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_54) ).

cnf(c_103,negated_conjecture,
    ( multiply(sk_c7,sk_c11) = sk_c12
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_55) ).

cnf(c_104,negated_conjecture,
    ( multiply(sk_c8,sk_c9) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_56) ).

cnf(c_105,negated_conjecture,
    ( inverse(sk_c8) = sk_c9
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_57) ).

cnf(c_106,negated_conjecture,
    ( multiply(sk_c9,sk_c12) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_58) ).

cnf(c_107,negated_conjecture,
    ( inverse(sk_c10) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_59) ).

cnf(c_108,negated_conjecture,
    ( multiply(sk_c10,sk_c12) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_60) ).

cnf(c_109,negated_conjecture,
    ( multiply(X0,X1) != sk_c12
    | multiply(X2,X3) != sk_c12
    | multiply(X4,X5) != sk_c11
    | multiply(X1,sk_c11) != sk_c12
    | multiply(X3,sk_c11) != sk_c12
    | multiply(X5,sk_c12) != sk_c11
    | multiply(X6,sk_c12) != X7
    | multiply(X8,sk_c11) != sk_c12
    | multiply(X9,sk_c12) != sk_c11
    | multiply(sk_c12,X7) != sk_c11
    | inverse(X0) != X1
    | inverse(X2) != X3
    | inverse(X4) != X5
    | inverse(X6) != sk_c12
    | inverse(X8) != sk_c12
    | inverse(X9) != sk_c11 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_61) ).

cnf(c_110,plain,
    multiply(identity,X0) = X0,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(c_111,plain,
    multiply(inverse(X0),X0) = identity,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(c_112,plain,
    multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(c_113,negated_conjecture,
    ( multiply(sk_c12,multiply(X0,sk_c12)) != sk_c11
    | multiply(X1,inverse(X1)) != sk_c12
    | multiply(X2,inverse(X2)) != sk_c12
    | multiply(X3,inverse(X3)) != sk_c11
    | multiply(inverse(X1),sk_c11) != sk_c12
    | multiply(inverse(X2),sk_c11) != sk_c12
    | multiply(inverse(X3),sk_c12) != sk_c11
    | multiply(X4,sk_c11) != sk_c12
    | multiply(X5,sk_c12) != sk_c11
    | inverse(X0) != sk_c12
    | inverse(X4) != sk_c12
    | inverse(X5) != sk_c11 ),
    inference(unflattening,[status(thm)],[c_109]) ).

cnf(c_654,negated_conjecture,
    ( multiply(X0,inverse(X0)) != sk_c11
    | multiply(inverse(X0),sk_c12) != sk_c11
    | ~ sP0_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_split])],[c_113]) ).

cnf(c_655,negated_conjecture,
    ( multiply(X0,inverse(X0)) != sk_c12
    | multiply(inverse(X0),sk_c11) != sk_c12
    | ~ sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP1_iProver_split])],[c_113]) ).

cnf(c_656,negated_conjecture,
    ( multiply(X0,sk_c11) != sk_c12
    | inverse(X0) != sk_c12
    | ~ sP2_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP2_iProver_split])],[c_113]) ).

cnf(c_657,negated_conjecture,
    ( multiply(X0,sk_c12) != sk_c11
    | inverse(X0) != sk_c11
    | ~ sP3_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP3_iProver_split])],[c_113]) ).

cnf(c_658,negated_conjecture,
    ( multiply(sk_c12,multiply(X0,sk_c12)) != sk_c11
    | inverse(X0) != sk_c12
    | ~ sP4_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP4_iProver_split])],[c_113]) ).

cnf(c_659,negated_conjecture,
    ( sP0_iProver_split
    | sP1_iProver_split
    | sP2_iProver_split
    | sP3_iProver_split
    | sP4_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_113]) ).

cnf(c_660,plain,
    X0 = X0,
    theory(equality) ).

cnf(c_661,plain,
    ( X0 != X1
    | X2 != X1
    | X2 = X0 ),
    theory(equality) ).

cnf(c_662,plain,
    ( X0 != X1
    | X2 != X3
    | multiply(X0,X2) = multiply(X1,X3) ),
    theory(equality) ).

cnf(c_666,plain,
    sk_c12 = sk_c12,
    inference(instantiation,[status(thm)],[c_660]) ).

cnf(c_1287,plain,
    ( inverse(sk_c6) != sk_c12
    | ~ sP2_iProver_split
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_101,c_656]) ).

cnf(c_1293,plain,
    ( inverse(sk_c7) != sk_c12
    | ~ sP2_iProver_split
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_103,c_656]) ).

cnf(c_1299,plain,
    ( inverse(identity) != sk_c12
    | sk_c12 != sk_c11
    | ~ sP2_iProver_split ),
    inference(superposition,[status(thm)],[c_110,c_656]) ).

cnf(c_1371,plain,
    ( inverse(sk_c10) != sk_c11
    | ~ sP3_iProver_split
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_108,c_657]) ).

cnf(c_1377,plain,
    ( inverse(identity) != sk_c11
    | sk_c12 != sk_c11
    | ~ sP3_iProver_split ),
    inference(superposition,[status(thm)],[c_110,c_657]) ).

cnf(c_1534,plain,
    ( X0 != X1
    | sk_c11 != X1
    | sk_c11 = X0 ),
    inference(instantiation,[status(thm)],[c_661]) ).

cnf(c_1535,plain,
    ( X0 != sk_c11
    | sk_c11 != sk_c11
    | sk_c11 = X0 ),
    inference(instantiation,[status(thm)],[c_1534]) ).

cnf(c_1536,plain,
    sk_c11 = sk_c11,
    inference(instantiation,[status(thm)],[c_660]) ).

cnf(c_1591,plain,
    ( multiply(sk_c8,sk_c9) != sk_c11
    | sk_c11 != sk_c11
    | sk_c11 = multiply(sk_c8,sk_c9) ),
    inference(instantiation,[status(thm)],[c_1535]) ).

cnf(c_1592,plain,
    ( multiply(sk_c9,sk_c12) != sk_c11
    | sk_c11 != sk_c11
    | sk_c11 = multiply(sk_c9,sk_c12) ),
    inference(instantiation,[status(thm)],[c_1535]) ).

cnf(c_1598,plain,
    ( X0 != X1
    | sk_c11 != X1
    | X0 = sk_c11 ),
    inference(instantiation,[status(thm)],[c_661]) ).

cnf(c_1607,plain,
    ( multiply(sk_c11,inverse(sk_c11)) != sk_c12
    | sk_c12 != identity
    | ~ sP1_iProver_split ),
    inference(superposition,[status(thm)],[c_111,c_655]) ).

cnf(c_1666,plain,
    ( multiply(sk_c5,multiply(sk_c6,X0)) = multiply(sk_c12,X0)
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_99,c_112]) ).

cnf(c_1712,plain,
    multiply(inverse(X0),multiply(X0,X1)) = multiply(identity,X1),
    inference(superposition,[status(thm)],[c_111,c_112]) ).

cnf(c_1937,plain,
    ( X0 != multiply(sk_c8,sk_c9)
    | sk_c11 != multiply(sk_c8,sk_c9)
    | X0 = sk_c11 ),
    inference(instantiation,[status(thm)],[c_1598]) ).

cnf(c_1939,plain,
    ( X0 != multiply(sk_c9,sk_c12)
    | sk_c11 != multiply(sk_c9,sk_c12)
    | X0 = sk_c11 ),
    inference(instantiation,[status(thm)],[c_1598]) ).

cnf(c_1965,plain,
    ( X0 != sk_c8
    | X1 != sk_c9
    | multiply(X0,X1) = multiply(sk_c8,sk_c9) ),
    inference(instantiation,[status(thm)],[c_662]) ).

cnf(c_1977,plain,
    ( X0 != sk_c9
    | X1 != sk_c12
    | multiply(X0,X1) = multiply(sk_c9,sk_c12) ),
    inference(instantiation,[status(thm)],[c_662]) ).

cnf(c_2052,plain,
    multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(demodulation,[status(thm)],[c_1712,c_110]) ).

cnf(c_2077,plain,
    ( multiply(inverse(sk_c7),sk_c12) = sk_c11
    | multiply(sk_c3,sk_c12) = sk_c4 ),
    inference(superposition,[status(thm)],[c_93,c_2052]) ).

cnf(c_2078,plain,
    ( multiply(inverse(sk_c7),sk_c12) = sk_c11
    | multiply(sk_c12,sk_c4) = sk_c11 ),
    inference(superposition,[status(thm)],[c_83,c_2052]) ).

cnf(c_2081,plain,
    ( multiply(inverse(sk_c7),sk_c12) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_103,c_2052]) ).

cnf(c_2113,plain,
    multiply(inverse(identity),X0) = X0,
    inference(superposition,[status(thm)],[c_110,c_2052]) ).

cnf(c_2114,plain,
    multiply(inverse(inverse(X0)),identity) = X0,
    inference(superposition,[status(thm)],[c_111,c_2052]) ).

cnf(c_2124,plain,
    multiply(inverse(inverse(X0)),X1) = multiply(X0,X1),
    inference(superposition,[status(thm)],[c_2052,c_2052]) ).

cnf(c_2321,plain,
    ( X0 != sk_c9
    | sk_c8 != sk_c8
    | multiply(sk_c8,X0) = multiply(sk_c8,sk_c9) ),
    inference(instantiation,[status(thm)],[c_1965]) ).

cnf(c_2322,plain,
    sk_c8 = sk_c8,
    inference(instantiation,[status(thm)],[c_660]) ).

cnf(c_2341,plain,
    ( inverse(sk_c8) != sk_c9
    | X0 != sk_c12
    | multiply(inverse(sk_c8),X0) = multiply(sk_c9,sk_c12) ),
    inference(instantiation,[status(thm)],[c_1977]) ).

cnf(c_2342,plain,
    ( inverse(sk_c8) != sk_c9
    | sk_c12 != sk_c12
    | multiply(inverse(sk_c8),sk_c12) = multiply(sk_c9,sk_c12) ),
    inference(instantiation,[status(thm)],[c_2341]) ).

cnf(c_2472,plain,
    multiply(X0,identity) = X0,
    inference(demodulation,[status(thm)],[c_2114,c_2124]) ).

cnf(c_2480,plain,
    inverse(identity) = identity,
    inference(superposition,[status(thm)],[c_2472,c_2113]) ).

cnf(c_2511,plain,
    multiply(X0,inverse(X0)) = identity,
    inference(superposition,[status(thm)],[c_2124,c_111]) ).

cnf(c_2517,plain,
    multiply(X0,multiply(inverse(X0),X1)) = X1,
    inference(superposition,[status(thm)],[c_2124,c_2052]) ).

cnf(c_2518,plain,
    multiply(X0,identity) = inverse(inverse(X0)),
    inference(superposition,[status(thm)],[c_2124,c_2472]) ).

cnf(c_2519,plain,
    inverse(inverse(X0)) = X0,
    inference(light_normalisation,[status(thm)],[c_2518,c_2472]) ).

cnf(c_2552,plain,
    ( multiply(inverse(X0),sk_c11) != sk_c12
    | sk_c12 != identity
    | ~ sP1_iProver_split ),
    inference(demodulation,[status(thm)],[c_655,c_2511]) ).

cnf(c_2553,plain,
    ( multiply(inverse(X0),sk_c12) != sk_c11
    | sk_c11 != identity
    | ~ sP0_iProver_split ),
    inference(demodulation,[status(thm)],[c_654,c_2511]) ).

cnf(c_2575,plain,
    ( multiply(inverse(sk_c12),sk_c11) != sk_c12
    | sk_c12 != identity
    | ~ sP1_iProver_split ),
    inference(instantiation,[status(thm)],[c_2552]) ).

cnf(c_2620,plain,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c6) = sk_c5 ),
    inference(superposition,[status(thm)],[c_60,c_2519]) ).

cnf(c_2623,plain,
    ( inverse(sk_c9) = sk_c8
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_105,c_2519]) ).

cnf(c_2990,plain,
    ( multiply(sk_c5,sk_c6) = identity
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_2620,c_111]) ).

cnf(c_3042,plain,
    ( multiply(sk_c8,sk_c9) = identity
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_2623,c_111]) ).

cnf(c_3088,plain,
    ( multiply(inverse(sk_c8),X0) != multiply(sk_c9,sk_c12)
    | sk_c11 != multiply(sk_c9,sk_c12)
    | multiply(inverse(sk_c8),X0) = sk_c11 ),
    inference(instantiation,[status(thm)],[c_1939]) ).

cnf(c_3090,plain,
    ( multiply(inverse(sk_c8),sk_c12) != multiply(sk_c9,sk_c12)
    | sk_c11 != multiply(sk_c9,sk_c12)
    | multiply(inverse(sk_c8),sk_c12) = sk_c11 ),
    inference(instantiation,[status(thm)],[c_3088]) ).

cnf(c_3270,plain,
    ( inverse(inverse(sk_c12)) != sk_c12
    | sk_c12 != sk_c11
    | ~ sP4_iProver_split ),
    inference(superposition,[status(thm)],[c_2517,c_658]) ).

cnf(c_3293,plain,
    ( sk_c12 != sk_c11
    | ~ sP4_iProver_split ),
    inference(forward_subsumption_resolution,[status(thm)],[c_3270,c_2519]) ).

cnf(c_3727,plain,
    ( inverse(sk_c1) = sk_c2
    | sk_c12 = identity ),
    inference(superposition,[status(thm)],[c_2990,c_59]) ).

cnf(c_3745,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | sk_c12 = identity ),
    inference(superposition,[status(thm)],[c_3727,c_2511]) ).

cnf(c_4005,plain,
    ( inverse(sk_c8) != sk_c9
    | sk_c8 != sk_c8
    | multiply(sk_c8,inverse(sk_c8)) = multiply(sk_c8,sk_c9) ),
    inference(instantiation,[status(thm)],[c_2321]) ).

cnf(c_4175,plain,
    ( multiply(sk_c12,sk_c12) = sk_c11
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_102,c_2081]) ).

cnf(c_4220,plain,
    ( multiply(inverse(sk_c12),sk_c11) = sk_c12
    | inverse(sk_c3) = sk_c12 ),
    inference(superposition,[status(thm)],[c_4175,c_2052]) ).

cnf(c_4360,plain,
    ( inverse(sk_c3) = sk_c12
    | sk_c11 = identity ),
    inference(superposition,[status(thm)],[c_3042,c_104]) ).

cnf(c_4503,plain,
    ( inverse(sk_c5) = sk_c6
    | sk_c12 = identity ),
    inference(superposition,[status(thm)],[c_3745,c_50]) ).

cnf(c_4612,plain,
    ( multiply(sk_c5,sk_c6) = identity
    | sk_c12 = identity ),
    inference(superposition,[status(thm)],[c_4503,c_2511]) ).

cnf(c_6520,plain,
    ( multiply(sk_c8,inverse(sk_c8)) != multiply(sk_c8,sk_c9)
    | sk_c11 != multiply(sk_c8,sk_c9)
    | multiply(sk_c8,inverse(sk_c8)) = sk_c11 ),
    inference(instantiation,[status(thm)],[c_1937]) ).

cnf(c_6720,plain,
    ( multiply(inverse(sk_c8),sk_c12) != sk_c11
    | multiply(sk_c8,inverse(sk_c8)) != sk_c11
    | ~ sP0_iProver_split ),
    inference(instantiation,[status(thm)],[c_654]) ).

cnf(c_6968,plain,
    ( ~ sP2_iProver_split
    | inverse(sk_c3) = sk_c12 ),
    inference(global_subsumption_just,[status(thm)],[c_1287,c_102,c_1293]) ).

cnf(c_7338,plain,
    ( multiply(sk_c1,sk_c2) = sk_c12
    | sk_c12 = identity ),
    inference(superposition,[status(thm)],[c_4612,c_49]) ).

cnf(c_7466,plain,
    sk_c12 = identity,
    inference(superposition,[status(thm)],[c_7338,c_3745]) ).

cnf(c_7531,plain,
    ( sk_c11 != identity
    | ~ sP4_iProver_split ),
    inference(demodulation,[status(thm)],[c_3293,c_7466]) ).

cnf(c_7577,plain,
    ( multiply(sk_c3,identity) = sk_c4
    | inverse(sk_c7) = identity ),
    inference(demodulation,[status(thm)],[c_92,c_7466]) ).

cnf(c_7581,plain,
    ( multiply(identity,sk_c4) = sk_c11
    | inverse(sk_c7) = identity ),
    inference(demodulation,[status(thm)],[c_82,c_7466]) ).

cnf(c_7983,plain,
    inverse(sk_c3) = sk_c12,
    inference(global_subsumption_just,[status(thm)],[c_1666,c_107,c_105,c_106,c_104,c_666,c_659,c_1371,c_1536,c_1591,c_1592,c_2322,c_2342,c_2575,c_3090,c_4005,c_4220,c_4360,c_6520,c_6720,c_6968,c_7466,c_7531]) ).

cnf(c_7985,plain,
    inverse(sk_c3) = identity,
    inference(light_normalisation,[status(thm)],[c_7983,c_7466]) ).

cnf(c_7992,plain,
    inverse(identity) = sk_c3,
    inference(superposition,[status(thm)],[c_7985,c_2519]) ).

cnf(c_7995,plain,
    sk_c3 = identity,
    inference(light_normalisation,[status(thm)],[c_7992,c_2480]) ).

cnf(c_8012,plain,
    ( sk_c11 != identity
    | identity != identity
    | ~ sP2_iProver_split ),
    inference(light_normalisation,[status(thm)],[c_1299,c_2480,c_7466]) ).

cnf(c_8013,plain,
    ( sk_c11 != identity
    | ~ sP2_iProver_split ),
    inference(equality_resolution_simp,[status(thm)],[c_8012]) ).

cnf(c_8112,plain,
    ( multiply(identity,identity) = sk_c4
    | inverse(sk_c7) = identity ),
    inference(light_normalisation,[status(thm)],[c_7577,c_7995]) ).

cnf(c_8113,plain,
    ( inverse(sk_c7) = identity
    | sk_c4 = identity ),
    inference(demodulation,[status(thm)],[c_8112,c_110]) ).

cnf(c_8204,plain,
    ( inverse(sk_c7) = identity
    | sk_c11 = sk_c4 ),
    inference(demodulation,[status(thm)],[c_7581,c_110]) ).

cnf(c_8563,plain,
    ( sk_c11 != identity
    | ~ sP3_iProver_split ),
    inference(light_normalisation,[status(thm)],[c_1377,c_2480,c_7466]) ).

cnf(c_9231,plain,
    ( multiply(inverse(sk_c7),identity) = sk_c11
    | multiply(identity,identity) = sk_c4 ),
    inference(light_normalisation,[status(thm)],[c_2077,c_7466,c_7995]) ).

cnf(c_9232,plain,
    ( inverse(sk_c7) = sk_c11
    | sk_c4 = identity ),
    inference(demodulation,[status(thm)],[c_9231,c_110,c_2472]) ).

cnf(c_9242,plain,
    ( sk_c11 = identity
    | sk_c4 = identity ),
    inference(superposition,[status(thm)],[c_9232,c_8113]) ).

cnf(c_9259,plain,
    ( multiply(inverse(sk_c7),identity) = sk_c11
    | multiply(identity,sk_c4) = sk_c11 ),
    inference(light_normalisation,[status(thm)],[c_2078,c_7466]) ).

cnf(c_9260,plain,
    ( inverse(sk_c7) = sk_c11
    | sk_c11 = sk_c4 ),
    inference(demodulation,[status(thm)],[c_9259,c_110,c_2472]) ).

cnf(c_9269,plain,
    ( sk_c11 = sk_c4
    | sk_c11 = identity ),
    inference(superposition,[status(thm)],[c_9260,c_8204]) ).

cnf(c_9435,plain,
    sk_c11 = identity,
    inference(superposition,[status(thm)],[c_9242,c_9269]) ).

cnf(c_9437,plain,
    ~ sP3_iProver_split,
    inference(backward_subsumption_resolution,[status(thm)],[c_8563,c_9435]) ).

cnf(c_9438,plain,
    ~ sP2_iProver_split,
    inference(backward_subsumption_resolution,[status(thm)],[c_8013,c_9435]) ).

cnf(c_9439,plain,
    ~ sP4_iProver_split,
    inference(backward_subsumption_resolution,[status(thm)],[c_7531,c_9435]) ).

cnf(c_9496,plain,
    ( sP0_iProver_split
    | sP1_iProver_split
    | sP2_iProver_split
    | sP4_iProver_split ),
    inference(backward_subsumption_resolution,[status(thm)],[c_659,c_9437]) ).

cnf(c_9501,plain,
    ( sP0_iProver_split
    | sP1_iProver_split
    | sP4_iProver_split ),
    inference(backward_subsumption_resolution,[status(thm)],[c_9496,c_9438]) ).

cnf(c_9505,plain,
    ( sP0_iProver_split
    | sP1_iProver_split ),
    inference(backward_subsumption_resolution,[status(thm)],[c_9501,c_9439]) ).

cnf(c_11373,plain,
    ( multiply(sk_c11,inverse(sk_c11)) != sk_c12
    | ~ sP1_iProver_split ),
    inference(global_subsumption_just,[status(thm)],[c_1607,c_1607,c_7466]) ).

cnf(c_11375,plain,
    ( multiply(identity,identity) != identity
    | ~ sP1_iProver_split ),
    inference(light_normalisation,[status(thm)],[c_11373,c_2480,c_7466,c_9435]) ).

cnf(c_11376,plain,
    ( identity != identity
    | ~ sP1_iProver_split ),
    inference(demodulation,[status(thm)],[c_11375,c_110]) ).

cnf(c_11377,plain,
    ~ sP1_iProver_split,
    inference(equality_resolution_simp,[status(thm)],[c_11376]) ).

cnf(c_11378,plain,
    sP0_iProver_split,
    inference(backward_subsumption_resolution,[status(thm)],[c_9505,c_11377]) ).

cnf(c_11494,plain,
    multiply(inverse(X0),sk_c12) != sk_c11,
    inference(global_subsumption_just,[status(thm)],[c_2553,c_2553,c_9435,c_11378]) ).

cnf(c_11497,plain,
    multiply(inverse(X0),identity) != identity,
    inference(light_normalisation,[status(thm)],[c_11494,c_7466,c_9435]) ).

cnf(c_11498,plain,
    inverse(X0) != identity,
    inference(demodulation,[status(thm)],[c_11497,c_2472]) ).

cnf(c_11499,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_2480,c_11498]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP208-1 : TPTP v8.1.2. Released v2.5.0.
% 0.13/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n028.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Aug 28 22:32:40 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.52/1.20  % SZS status Started for theBenchmark.p
% 0.52/1.20  % SZS status Unsatisfiable for theBenchmark.p
% 0.52/1.20  
% 0.52/1.20  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.52/1.20  
% 0.52/1.20  ------  iProver source info
% 0.52/1.20  
% 0.52/1.20  git: date: 2023-05-31 18:12:56 +0000
% 0.52/1.20  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.52/1.20  git: non_committed_changes: false
% 0.52/1.20  git: last_make_outside_of_git: false
% 0.52/1.20  
% 0.52/1.20  ------ Parsing...successful
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  ------ Preprocessing... sup_sim: 0  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 0.52/1.20  
% 0.52/1.20  ------ Preprocessing... gs_s  sp: 6 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.52/1.20  
% 0.52/1.20  ------ Preprocessing... sf_s  rm: 0 0s  sf_e 
% 0.52/1.20  ------ Proving...
% 0.52/1.20  ------ Problem Properties 
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  clauses                                 69
% 0.52/1.20  conjectures                             66
% 0.52/1.20  EPR                                     1
% 0.52/1.20  Horn                                    8
% 0.52/1.20  unary                                   3
% 0.52/1.20  binary                                  60
% 0.52/1.20  lits                                    143
% 0.52/1.20  lits eq                                 133
% 0.52/1.20  fd_pure                                 0
% 0.52/1.20  fd_pseudo                               0
% 0.52/1.20  fd_cond                                 0
% 0.52/1.20  fd_pseudo_cond                          0
% 0.52/1.20  AC symbols                              0
% 0.52/1.20  
% 0.52/1.20  ------ Schedule dynamic 5 is on 
% 0.52/1.20  
% 0.52/1.20  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  ------ 
% 0.52/1.20  Current options:
% 0.52/1.20  ------ 
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  ------ Proving...
% 0.52/1.20  
% 0.52/1.20  
% 0.52/1.20  % SZS status Unsatisfiable for theBenchmark.p
% 0.52/1.20  
% 0.52/1.20  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.81/1.21  
% 0.81/1.21  
%------------------------------------------------------------------------------