TSTP Solution File: GRP211-1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : GRP211-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n023.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 00:58:42 EDT 2023

% Result   : Unsatisfiable 3.85s 1.15s
% Output   : CNFRefutation 3.85s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   42
%            Number of leaves      :   24
% Syntax   : Number of clauses     :  161 (  46 unt;  74 nHn; 140 RR)
%            Number of literals    :  333 ( 306 equ; 109 neg)
%            Maximal clause size   :   10 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   4 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :   74 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c_49,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_1) ).

cnf(c_51,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | multiply(sk_c8,sk_c6) = sk_c7 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_3) ).

cnf(c_52,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | multiply(sk_c5,sk_c8) = sk_c6 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_4) ).

cnf(c_53,negated_conjecture,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | inverse(sk_c5) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_5) ).

cnf(c_54,negated_conjecture,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_6) ).

cnf(c_55,negated_conjecture,
    ( multiply(sk_c4,sk_c7) = sk_c8
    | inverse(sk_c1) = sk_c2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_7) ).

cnf(c_56,negated_conjecture,
    ( multiply(sk_c8,sk_c6) = sk_c7
    | inverse(sk_c1) = sk_c2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_8) ).

cnf(c_57,negated_conjecture,
    ( multiply(sk_c5,sk_c8) = sk_c6
    | inverse(sk_c1) = sk_c2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_9) ).

cnf(c_58,negated_conjecture,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c5) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_10) ).

cnf(c_59,negated_conjecture,
    ( multiply(sk_c2,sk_c7) = sk_c8
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_11) ).

cnf(c_64,negated_conjecture,
    ( inverse(sk_c4) = sk_c8
    | inverse(sk_c3) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_16) ).

cnf(c_65,negated_conjecture,
    ( multiply(sk_c4,sk_c7) = sk_c8
    | inverse(sk_c3) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_17) ).

cnf(c_66,negated_conjecture,
    ( multiply(sk_c8,sk_c6) = sk_c7
    | inverse(sk_c3) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_18) ).

cnf(c_67,negated_conjecture,
    ( multiply(sk_c5,sk_c8) = sk_c6
    | inverse(sk_c3) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_19) ).

cnf(c_68,negated_conjecture,
    ( inverse(sk_c5) = sk_c8
    | inverse(sk_c3) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_20) ).

cnf(c_69,negated_conjecture,
    ( multiply(sk_c3,sk_c7) = sk_c8
    | inverse(sk_c4) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_21) ).

cnf(c_70,negated_conjecture,
    ( multiply(sk_c4,sk_c7) = sk_c8
    | multiply(sk_c3,sk_c7) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_22) ).

cnf(c_73,negated_conjecture,
    ( multiply(sk_c3,sk_c7) = sk_c8
    | inverse(sk_c5) = sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_25) ).

cnf(c_74,negated_conjecture,
    ( multiply(X0,X1) != sk_c8
    | multiply(X1,sk_c7) != sk_c8
    | multiply(X2,sk_c7) != sk_c8
    | multiply(X3,sk_c7) != sk_c8
    | multiply(X4,sk_c8) != X5
    | multiply(sk_c8,X5) != sk_c7
    | inverse(X0) != X1
    | inverse(X2) != sk_c8
    | inverse(X3) != sk_c8
    | inverse(X4) != sk_c8 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this_26) ).

cnf(c_75,plain,
    multiply(identity,X0) = X0,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(c_76,plain,
    multiply(inverse(X0),X0) = identity,
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(c_77,plain,
    multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(c_78,negated_conjecture,
    ( multiply(sk_c8,multiply(X0,sk_c8)) != sk_c7
    | multiply(X1,inverse(X1)) != sk_c8
    | multiply(inverse(X1),sk_c7) != sk_c8
    | multiply(X2,sk_c7) != sk_c8
    | multiply(X3,sk_c7) != sk_c8
    | inverse(X0) != sk_c8
    | inverse(X2) != sk_c8
    | inverse(X3) != sk_c8 ),
    inference(unflattening,[status(thm)],[c_74]) ).

cnf(c_323,negated_conjecture,
    ( multiply(X0,sk_c7) != sk_c8
    | inverse(X0) != sk_c8
    | ~ sP0_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_split])],[c_78]) ).

cnf(c_324,negated_conjecture,
    ( multiply(X0,inverse(X0)) != sk_c8
    | multiply(inverse(X0),sk_c7) != sk_c8
    | ~ sP1_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP1_iProver_split])],[c_78]) ).

cnf(c_325,negated_conjecture,
    ( multiply(sk_c8,multiply(X0,sk_c8)) != sk_c7
    | inverse(X0) != sk_c8
    | ~ sP2_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP2_iProver_split])],[c_78]) ).

cnf(c_326,negated_conjecture,
    ( sP0_iProver_split
    | sP1_iProver_split
    | sP2_iProver_split ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_78]) ).

cnf(c_327,plain,
    X0 = X0,
    theory(equality) ).

cnf(c_328,plain,
    ( X0 != X1
    | X2 != X1
    | X2 = X0 ),
    theory(equality) ).

cnf(c_626,plain,
    multiply(inverse(X0),multiply(X0,X1)) = multiply(identity,X1),
    inference(superposition,[status(thm)],[c_76,c_77]) ).

cnf(c_726,plain,
    ( multiply(sk_c4,sk_c7) != sk_c8
    | inverse(sk_c4) != sk_c8
    | ~ sP0_iProver_split ),
    inference(instantiation,[status(thm)],[c_323]) ).

cnf(c_728,plain,
    multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(demodulation,[status(thm)],[c_626,c_75]) ).

cnf(c_740,plain,
    ( multiply(inverse(sk_c8),sk_c7) = sk_c6
    | inverse(sk_c3) = sk_c8 ),
    inference(superposition,[status(thm)],[c_66,c_728]) ).

cnf(c_745,plain,
    ( multiply(inverse(sk_c5),sk_c6) = sk_c8
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_57,c_728]) ).

cnf(c_752,plain,
    ( multiply(inverse(sk_c3),sk_c8) = sk_c7
    | inverse(sk_c5) = sk_c8 ),
    inference(superposition,[status(thm)],[c_73,c_728]) ).

cnf(c_753,plain,
    ( multiply(inverse(sk_c3),sk_c8) = sk_c7
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_69,c_728]) ).

cnf(c_754,plain,
    multiply(inverse(identity),X0) = X0,
    inference(superposition,[status(thm)],[c_75,c_728]) ).

cnf(c_755,plain,
    multiply(inverse(inverse(X0)),identity) = X0,
    inference(superposition,[status(thm)],[c_76,c_728]) ).

cnf(c_761,plain,
    multiply(inverse(inverse(X0)),X1) = multiply(X0,X1),
    inference(superposition,[status(thm)],[c_728,c_728]) ).

cnf(c_820,plain,
    ( multiply(inverse(X0),sk_c7) != X1
    | sk_c8 != X1
    | multiply(inverse(X0),sk_c7) = sk_c8 ),
    inference(instantiation,[status(thm)],[c_328]) ).

cnf(c_835,plain,
    multiply(inverse(X0),sk_c7) = multiply(inverse(X0),sk_c7),
    inference(instantiation,[status(thm)],[c_327]) ).

cnf(c_837,plain,
    multiply(inverse(sk_c8),sk_c7) = multiply(inverse(sk_c8),sk_c7),
    inference(instantiation,[status(thm)],[c_835]) ).

cnf(c_838,plain,
    ( multiply(inverse(X0),sk_c7) != X1
    | X2 != X1
    | multiply(inverse(X0),sk_c7) = X2 ),
    inference(instantiation,[status(thm)],[c_328]) ).

cnf(c_839,plain,
    ( multiply(inverse(X0),sk_c7) != multiply(X1,X2)
    | sk_c8 != multiply(X1,X2)
    | multiply(inverse(X0),sk_c7) = sk_c8 ),
    inference(instantiation,[status(thm)],[c_820]) ).

cnf(c_862,plain,
    ( inverse(sk_c4) != sk_c8
    | ~ sP0_iProver_split
    | inverse(sk_c3) = sk_c8 ),
    inference(superposition,[status(thm)],[c_65,c_323]) ).

cnf(c_870,plain,
    ( inverse(sk_c3) != sk_c8
    | ~ sP0_iProver_split
    | multiply(sk_c4,sk_c7) = sk_c8 ),
    inference(superposition,[status(thm)],[c_70,c_323]) ).

cnf(c_872,plain,
    ( inverse(sk_c3) != sk_c8
    | ~ sP0_iProver_split
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_69,c_323]) ).

cnf(c_947,plain,
    ( multiply(sk_c8,sk_c6) != sk_c7
    | inverse(sk_c5) != sk_c8
    | ~ sP2_iProver_split
    | inverse(sk_c3) = sk_c8 ),
    inference(superposition,[status(thm)],[c_67,c_325]) ).

cnf(c_949,plain,
    ( multiply(sk_c8,sk_c8) != sk_c7
    | inverse(identity) != sk_c8
    | ~ sP2_iProver_split ),
    inference(superposition,[status(thm)],[c_75,c_325]) ).

cnf(c_950,plain,
    ( multiply(sk_c8,identity) != sk_c7
    | inverse(inverse(sk_c8)) != sk_c8
    | ~ sP2_iProver_split ),
    inference(superposition,[status(thm)],[c_76,c_325]) ).

cnf(c_1024,plain,
    ( multiply(inverse(X0),sk_c7) != multiply(inverse(X0),sk_c7)
    | X1 != multiply(inverse(X0),sk_c7)
    | multiply(inverse(X0),sk_c7) = X1 ),
    inference(instantiation,[status(thm)],[c_838]) ).

cnf(c_1041,plain,
    ( multiply(X0,X1) != X2
    | sk_c8 != X2
    | sk_c8 = multiply(X0,X1) ),
    inference(instantiation,[status(thm)],[c_328]) ).

cnf(c_1234,plain,
    multiply(X0,identity) = X0,
    inference(demodulation,[status(thm)],[c_755,c_761]) ).

cnf(c_1243,plain,
    inverse(identity) = identity,
    inference(superposition,[status(thm)],[c_1234,c_754]) ).

cnf(c_1343,plain,
    multiply(inverse(X0),multiply(X0,X1)) = multiply(identity,X1),
    inference(superposition,[status(thm)],[c_76,c_77]) ).

cnf(c_1410,plain,
    multiply(X0,inverse(X0)) = identity,
    inference(superposition,[status(thm)],[c_761,c_76]) ).

cnf(c_1411,plain,
    ( multiply(inverse(X0),inverse(inverse(X0))) != sk_c8
    | multiply(X0,sk_c7) != sk_c8
    | ~ sP1_iProver_split ),
    inference(superposition,[status(thm)],[c_761,c_324]) ).

cnf(c_1414,plain,
    multiply(X0,multiply(inverse(X0),X1)) = X1,
    inference(superposition,[status(thm)],[c_761,c_728]) ).

cnf(c_1415,plain,
    multiply(X0,identity) = inverse(inverse(X0)),
    inference(superposition,[status(thm)],[c_761,c_1234]) ).

cnf(c_1416,plain,
    inverse(inverse(X0)) = X0,
    inference(light_normalisation,[status(thm)],[c_1415,c_1234]) ).

cnf(c_1435,plain,
    ( multiply(inverse(X0),sk_c7) != sk_c8
    | sk_c8 != identity
    | ~ sP1_iProver_split ),
    inference(demodulation,[status(thm)],[c_324,c_1410]) ).

cnf(c_1440,plain,
    inverse(inverse(sk_c8)) = sk_c8,
    inference(instantiation,[status(thm)],[c_1416]) ).

cnf(c_1449,plain,
    ( multiply(inverse(sk_c8),sk_c7) != sk_c8
    | sk_c8 != identity
    | ~ sP1_iProver_split ),
    inference(instantiation,[status(thm)],[c_1435]) ).

cnf(c_1507,plain,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c8) = sk_c4 ),
    inference(superposition,[status(thm)],[c_54,c_1416]) ).

cnf(c_1508,plain,
    ( inverse(sk_c1) = sk_c2
    | inverse(sk_c8) = sk_c5 ),
    inference(superposition,[status(thm)],[c_58,c_1416]) ).

cnf(c_1626,plain,
    ( multiply(inverse(X0),sk_c7) != multiply(inverse(X0),sk_c7)
    | multiply(X1,X2) != multiply(inverse(X0),sk_c7)
    | multiply(inverse(X0),sk_c7) = multiply(X1,X2) ),
    inference(instantiation,[status(thm)],[c_1024]) ).

cnf(c_1698,plain,
    ( multiply(sk_c8,sk_c6) = sk_c8
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_58,c_745]) ).

cnf(c_1730,plain,
    ( multiply(sk_c5,sk_c8) != sk_c6
    | sk_c8 != sk_c6
    | sk_c8 = multiply(sk_c5,sk_c8) ),
    inference(instantiation,[status(thm)],[c_1041]) ).

cnf(c_1738,plain,
    ( multiply(X0,X1) != X2
    | X3 != X2
    | multiply(X0,X1) = X3 ),
    inference(instantiation,[status(thm)],[c_328]) ).

cnf(c_1748,plain,
    ( multiply(sk_c5,sk_c8) = identity
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_58,c_1410]) ).

cnf(c_1749,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | inverse(sk_c8) = sk_c5 ),
    inference(superposition,[status(thm)],[c_1508,c_1410]) ).

cnf(c_1750,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | inverse(sk_c8) = sk_c4 ),
    inference(superposition,[status(thm)],[c_1507,c_1410]) ).

cnf(c_1858,plain,
    ( multiply(sk_c4,multiply(sk_c8,X0)) = X0
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_54,c_1414]) ).

cnf(c_1870,plain,
    ( inverse(inverse(sk_c8)) != sk_c8
    | sk_c8 != sk_c7
    | ~ sP2_iProver_split ),
    inference(superposition,[status(thm)],[c_1414,c_325]) ).

cnf(c_1892,plain,
    ( sk_c8 != sk_c7
    | ~ sP2_iProver_split ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1870,c_1416]) ).

cnf(c_1958,plain,
    ( inverse(sk_c1) = sk_c2
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_1698,c_56]) ).

cnf(c_1986,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_1958,c_1410]) ).

cnf(c_2010,plain,
    ( multiply(inverse(X0),sk_c7) != multiply(sk_c5,sk_c8)
    | sk_c8 != multiply(sk_c5,sk_c8)
    | multiply(inverse(X0),sk_c7) = sk_c8 ),
    inference(instantiation,[status(thm)],[c_839]) ).

cnf(c_2011,plain,
    ( multiply(inverse(sk_c8),sk_c7) != multiply(sk_c5,sk_c8)
    | sk_c8 != multiply(sk_c5,sk_c8)
    | multiply(inverse(sk_c8),sk_c7) = sk_c8 ),
    inference(instantiation,[status(thm)],[c_2010]) ).

cnf(c_2074,plain,
    ( inverse(sk_c1) = sk_c2
    | sk_c6 = identity ),
    inference(superposition,[status(thm)],[c_1748,c_57]) ).

cnf(c_2097,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | sk_c6 = identity ),
    inference(superposition,[status(thm)],[c_2074,c_1410]) ).

cnf(c_2171,plain,
    multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(demodulation,[status(thm)],[c_1343,c_75]) ).

cnf(c_2191,plain,
    ( multiply(inverse(sk_c2),sk_c8) = sk_c7
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_59,c_2171]) ).

cnf(c_2195,plain,
    ( multiply(inverse(sk_c3),sk_c8) = sk_c7
    | inverse(sk_c5) = sk_c8 ),
    inference(superposition,[status(thm)],[c_73,c_2171]) ).

cnf(c_2919,plain,
    ( multiply(sk_c8,sk_c8) = sk_c7
    | inverse(sk_c5) = sk_c8 ),
    inference(superposition,[status(thm)],[c_68,c_752]) ).

cnf(c_2943,plain,
    ( multiply(inverse(sk_c8),sk_c7) = sk_c8
    | inverse(sk_c5) = sk_c8 ),
    inference(superposition,[status(thm)],[c_2919,c_728]) ).

cnf(c_2983,plain,
    ( multiply(sk_c8,sk_c8) = sk_c7
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_64,c_753]) ).

cnf(c_3003,plain,
    ( multiply(inverse(sk_c8),sk_c7) = sk_c8
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_2983,c_728]) ).

cnf(c_3383,plain,
    ( multiply(sk_c8,sk_c6) = sk_c7
    | sk_c8 = sk_c7
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_1986,c_51]) ).

cnf(c_3646,plain,
    ( multiply(sk_c5,sk_c8) != sk_c6
    | X0 != sk_c6
    | multiply(sk_c5,sk_c8) = X0 ),
    inference(instantiation,[status(thm)],[c_1738]) ).

cnf(c_3684,plain,
    ( ~ sP0_iProver_split
    | inverse(sk_c3) = sk_c8 ),
    inference(global_subsumption_just,[status(thm)],[c_862,c_64,c_726,c_872,c_862,c_870]) ).

cnf(c_3686,plain,
    ~ sP0_iProver_split,
    inference(global_subsumption_just,[status(thm)],[c_3684,c_726,c_872,c_870,c_3684]) ).

cnf(c_3688,plain,
    ( sP1_iProver_split
    | sP2_iProver_split ),
    inference(backward_subsumption_resolution,[status(thm)],[c_326,c_3686]) ).

cnf(c_4620,plain,
    ( multiply(inverse(X0),sk_c7) != sk_c6
    | multiply(sk_c5,sk_c8) != sk_c6
    | multiply(sk_c5,sk_c8) = multiply(inverse(X0),sk_c7) ),
    inference(instantiation,[status(thm)],[c_3646]) ).

cnf(c_4621,plain,
    ( multiply(inverse(X0),sk_c7) != multiply(inverse(X0),sk_c7)
    | multiply(sk_c5,sk_c8) != multiply(inverse(X0),sk_c7)
    | multiply(inverse(X0),sk_c7) = multiply(sk_c5,sk_c8) ),
    inference(instantiation,[status(thm)],[c_1626]) ).

cnf(c_4622,plain,
    ( multiply(inverse(sk_c8),sk_c7) != sk_c6
    | multiply(sk_c5,sk_c8) != sk_c6
    | multiply(sk_c5,sk_c8) = multiply(inverse(sk_c8),sk_c7) ),
    inference(instantiation,[status(thm)],[c_4620]) ).

cnf(c_4623,plain,
    ( multiply(inverse(sk_c8),sk_c7) != multiply(inverse(sk_c8),sk_c7)
    | multiply(sk_c5,sk_c8) != multiply(inverse(sk_c8),sk_c7)
    | multiply(inverse(sk_c8),sk_c7) = multiply(sk_c5,sk_c8) ),
    inference(instantiation,[status(thm)],[c_4621]) ).

cnf(c_5697,plain,
    ( multiply(sk_c4,sk_c7) = sk_c6
    | inverse(sk_c1) = sk_c2 ),
    inference(superposition,[status(thm)],[c_56,c_1858]) ).

cnf(c_5816,plain,
    ( inverse(sk_c1) = sk_c2
    | sk_c8 = sk_c6 ),
    inference(superposition,[status(thm)],[c_5697,c_55]) ).

cnf(c_5873,plain,
    ( multiply(sk_c1,sk_c2) = identity
    | sk_c8 = sk_c6 ),
    inference(superposition,[status(thm)],[c_5816,c_1410]) ).

cnf(c_6015,plain,
    ( inverse(sk_c4) = sk_c8
    | sk_c8 = sk_c6
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_5873,c_49]) ).

cnf(c_6685,plain,
    ( inverse(sk_c8) = sk_c5
    | inverse(sk_c5) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_1749,c_53]) ).

cnf(c_6710,plain,
    ( inverse(sk_c8) = sk_c4
    | inverse(sk_c4) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_1750,c_49]) ).

cnf(c_7356,plain,
    ( multiply(sk_c8,sk_c4) = identity
    | sk_c8 = sk_c6
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_6015,c_76]) ).

cnf(c_11081,plain,
    ( inverse(sk_c8) = sk_c5
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_6685,c_1416]) ).

cnf(c_11139,plain,
    ( inverse(sk_c8) = sk_c4
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_6710,c_1416]) ).

cnf(c_11558,plain,
    ( inverse(sk_c5) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_11081,c_1416]) ).

cnf(c_11728,plain,
    ( inverse(sk_c4) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_11139,c_1416]) ).

cnf(c_12129,plain,
    ( multiply(sk_c8,sk_c8) != sk_c7
    | sk_c8 != identity
    | ~ sP2_iProver_split ),
    inference(light_normalisation,[status(thm)],[c_949,c_1243]) ).

cnf(c_12136,plain,
    ( sk_c8 != identity
    | ~ sP2_iProver_split
    | inverse(sk_c4) = sk_c8 ),
    inference(superposition,[status(thm)],[c_2983,c_12129]) ).

cnf(c_12137,plain,
    ( sk_c8 != identity
    | ~ sP2_iProver_split
    | inverse(sk_c5) = sk_c8 ),
    inference(superposition,[status(thm)],[c_2919,c_12129]) ).

cnf(c_12322,plain,
    inverse(sk_c4) = sk_c8,
    inference(global_subsumption_just,[status(thm)],[c_2191,c_1449,c_3003,c_3688,c_11728,c_12136]) ).

cnf(c_12341,plain,
    multiply(sk_c8,sk_c4) = identity,
    inference(superposition,[status(thm)],[c_12322,c_76]) ).

cnf(c_12394,plain,
    inverse(sk_c5) = sk_c8,
    inference(global_subsumption_just,[status(thm)],[c_2195,c_1449,c_2943,c_3688,c_11558,c_12137]) ).

cnf(c_12647,plain,
    inverse(sk_c5) = sk_c8,
    inference(global_subsumption_just,[status(thm)],[c_11558,c_12394]) ).

cnf(c_12685,plain,
    multiply(sk_c5,sk_c8) = identity,
    inference(superposition,[status(thm)],[c_12647,c_1410]) ).

cnf(c_12686,plain,
    inverse(sk_c8) = sk_c5,
    inference(superposition,[status(thm)],[c_12647,c_1416]) ).

cnf(c_12707,plain,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | sk_c6 = identity ),
    inference(demodulation,[status(thm)],[c_52,c_12685]) ).

cnf(c_12875,plain,
    ( sk_c8 = identity
    | sk_c6 = identity ),
    inference(superposition,[status(thm)],[c_12707,c_2097]) ).

cnf(c_12934,plain,
    multiply(sk_c8,sk_c4) = identity,
    inference(global_subsumption_just,[status(thm)],[c_7356,c_12341]) ).

cnf(c_12936,plain,
    multiply(inverse(sk_c8),identity) = sk_c4,
    inference(superposition,[status(thm)],[c_12934,c_728]) ).

cnf(c_12937,plain,
    multiply(sk_c8,multiply(sk_c4,X0)) = multiply(identity,X0),
    inference(superposition,[status(thm)],[c_12934,c_77]) ).

cnf(c_12941,plain,
    multiply(sk_c5,identity) = sk_c4,
    inference(light_normalisation,[status(thm)],[c_12936,c_12686]) ).

cnf(c_12943,plain,
    multiply(sk_c8,multiply(sk_c4,X0)) = X0,
    inference(light_normalisation,[status(thm)],[c_12937,c_75]) ).

cnf(c_12946,plain,
    sk_c4 = sk_c5,
    inference(demodulation,[status(thm)],[c_12941,c_1234]) ).

cnf(c_12949,plain,
    multiply(sk_c4,sk_c8) = identity,
    inference(demodulation,[status(thm)],[c_12685,c_12946]) ).

cnf(c_12950,plain,
    inverse(sk_c8) = sk_c4,
    inference(demodulation,[status(thm)],[c_12686,c_12946]) ).

cnf(c_12980,plain,
    multiply(sk_c4,multiply(sk_c8,X0)) = X0,
    inference(superposition,[status(thm)],[c_12950,c_728]) ).

cnf(c_13488,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | sk_c8 = sk_c7
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_12875,c_3383]) ).

cnf(c_13494,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | inverse(sk_c3) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_12875,c_66]) ).

cnf(c_13527,plain,
    ( multiply(sk_c4,sk_c7) = sk_c6
    | inverse(sk_c3) = sk_c8 ),
    inference(superposition,[status(thm)],[c_66,c_12980]) ).

cnf(c_13571,plain,
    ( inverse(sk_c3) = sk_c8
    | sk_c8 = sk_c6 ),
    inference(superposition,[status(thm)],[c_13527,c_65]) ).

cnf(c_13614,plain,
    ( inverse(sk_c3) = sk_c8
    | multiply(sk_c8,identity) = sk_c7 ),
    inference(global_subsumption_just,[status(thm)],[c_13494,c_67,c_66,c_740,c_837,c_947,c_1449,c_1730,c_2011,c_2943,c_3688,c_4622,c_4623,c_11558,c_12137,c_13494,c_13571]) ).

cnf(c_13615,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | inverse(sk_c3) = sk_c8 ),
    inference(renaming,[status(thm)],[c_13614]) ).

cnf(c_13616,plain,
    ( inverse(sk_c3) = sk_c8
    | sk_c8 = sk_c7 ),
    inference(demodulation,[status(thm)],[c_13615,c_1234]) ).

cnf(c_13626,plain,
    ( inverse(sk_c8) = sk_c3
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_13616,c_1416]) ).

cnf(c_13629,plain,
    ( sk_c8 = sk_c7
    | sk_c4 = sk_c3 ),
    inference(light_normalisation,[status(thm)],[c_13626,c_12950]) ).

cnf(c_13785,plain,
    ( multiply(sk_c4,sk_c7) = sk_c8
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_13629,c_70]) ).

cnf(c_13844,plain,
    ( multiply(sk_c8,sk_c8) = sk_c7
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_13785,c_12943]) ).

cnf(c_15495,plain,
    ( sk_c8 != identity
    | ~ sP2_iProver_split
    | sk_c8 = sk_c7 ),
    inference(superposition,[status(thm)],[c_13844,c_12129]) ).

cnf(c_16054,plain,
    ( multiply(X0,sk_c7) != sk_c8
    | multiply(inverse(X0),inverse(inverse(X0))) != sk_c8 ),
    inference(global_subsumption_just,[status(thm)],[c_1411,c_950,c_1440,c_1411,c_1892,c_3688,c_13488,c_15495]) ).

cnf(c_16055,plain,
    ( multiply(inverse(X0),inverse(inverse(X0))) != sk_c8
    | multiply(X0,sk_c7) != sk_c8 ),
    inference(renaming,[status(thm)],[c_16054]) ).

cnf(c_16057,plain,
    ( multiply(X0,sk_c7) != sk_c8
    | sk_c8 != identity ),
    inference(light_normalisation,[status(thm)],[c_16055,c_76,c_1416]) ).

cnf(c_16078,plain,
    sk_c8 != identity,
    inference(superposition,[status(thm)],[c_76,c_16057]) ).

cnf(c_16086,plain,
    sk_c6 = identity,
    inference(backward_subsumption_resolution,[status(thm)],[c_12875,c_16078]) ).

cnf(c_16116,plain,
    ( inverse(sk_c3) = sk_c8
    | sk_c8 = identity ),
    inference(demodulation,[status(thm)],[c_13571,c_16086]) ).

cnf(c_16135,plain,
    ( inverse(sk_c1) = sk_c2
    | sk_c8 = identity ),
    inference(demodulation,[status(thm)],[c_5816,c_16086]) ).

cnf(c_16144,plain,
    ( multiply(sk_c1,sk_c2) = sk_c8
    | multiply(sk_c8,identity) = sk_c7 ),
    inference(demodulation,[status(thm)],[c_51,c_16086]) ).

cnf(c_16145,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | inverse(sk_c3) = sk_c8 ),
    inference(demodulation,[status(thm)],[c_66,c_16086]) ).

cnf(c_16146,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | inverse(sk_c1) = sk_c2 ),
    inference(demodulation,[status(thm)],[c_56,c_16086]) ).

cnf(c_16246,plain,
    inverse(sk_c3) = sk_c8,
    inference(global_subsumption_just,[status(thm)],[c_16145,c_16078,c_16116]) ).

cnf(c_16257,plain,
    inverse(sk_c8) = sk_c3,
    inference(superposition,[status(thm)],[c_16246,c_1416]) ).

cnf(c_16260,plain,
    sk_c4 = sk_c3,
    inference(light_normalisation,[status(thm)],[c_16257,c_12950]) ).

cnf(c_16265,plain,
    multiply(sk_c4,sk_c7) = sk_c8,
    inference(demodulation,[status(thm)],[c_70,c_16260]) ).

cnf(c_16280,plain,
    inverse(sk_c1) = sk_c2,
    inference(global_subsumption_just,[status(thm)],[c_16146,c_16078,c_16135]) ).

cnf(c_16284,plain,
    multiply(sk_c1,sk_c2) = identity,
    inference(superposition,[status(thm)],[c_16280,c_1410]) ).

cnf(c_16308,plain,
    ( multiply(sk_c8,identity) = sk_c7
    | sk_c8 = identity ),
    inference(light_normalisation,[status(thm)],[c_16144,c_16284]) ).

cnf(c_16309,plain,
    ( sk_c8 = sk_c7
    | sk_c8 = identity ),
    inference(demodulation,[status(thm)],[c_16308,c_1234]) ).

cnf(c_16315,plain,
    ( multiply(sk_c4,sk_c8) = sk_c8
    | sk_c8 = identity ),
    inference(superposition,[status(thm)],[c_16309,c_16265]) ).

cnf(c_16319,plain,
    sk_c8 = identity,
    inference(light_normalisation,[status(thm)],[c_16315,c_12949]) ).

cnf(c_16341,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_16319,c_16078]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP211-1 : TPTP v8.1.2. Released v2.5.0.
% 0.11/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n023.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 : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Tue Aug 29 01:22:40 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.46  Running first-order theorem proving
% 0.19/0.46  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 3.85/1.15  % SZS status Started for theBenchmark.p
% 3.85/1.15  % SZS status Unsatisfiable for theBenchmark.p
% 3.85/1.15  
% 3.85/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.85/1.15  
% 3.85/1.15  ------  iProver source info
% 3.85/1.15  
% 3.85/1.15  git: date: 2023-05-31 18:12:56 +0000
% 3.85/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.85/1.15  git: non_committed_changes: false
% 3.85/1.15  git: last_make_outside_of_git: false
% 3.85/1.15  
% 3.85/1.15  ------ Parsing...successful
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  ------ Preprocessing... sup_sim: 0  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 3.85/1.15  
% 3.85/1.15  ------ Preprocessing... gs_s  sp: 4 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.85/1.15  
% 3.85/1.15  ------ Preprocessing... sf_s  rm: 0 0s  sf_e 
% 3.85/1.15  ------ Proving...
% 3.85/1.15  ------ Problem Properties 
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  clauses                                 32
% 3.85/1.15  conjectures                             29
% 3.85/1.15  EPR                                     1
% 3.85/1.15  Horn                                    6
% 3.85/1.15  unary                                   3
% 3.85/1.15  binary                                  25
% 3.85/1.15  lits                                    65
% 3.85/1.15  lits eq                                 59
% 3.85/1.15  fd_pure                                 0
% 3.85/1.15  fd_pseudo                               0
% 3.85/1.15  fd_cond                                 0
% 3.85/1.15  fd_pseudo_cond                          0
% 3.85/1.15  AC symbols                              0
% 3.85/1.15  
% 3.85/1.15  ------ Schedule dynamic 5 is on 
% 3.85/1.15  
% 3.85/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  ------ 
% 3.85/1.15  Current options:
% 3.85/1.15  ------ 
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  ------ Proving...
% 3.85/1.15  
% 3.85/1.15  
% 3.85/1.15  % SZS status Unsatisfiable for theBenchmark.p
% 3.85/1.15  
% 3.85/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.85/1.15  
% 3.85/1.15  
%------------------------------------------------------------------------------