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iProver---3.9.4.UNS-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : GRP124-8.004 : TPTP v9.3.1. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM

% Computer : n017.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 25 01:31:10 PM UTC 2026

% Result   : Unsatisfiable 2.59s 1.14s
% Output   : CNFRefutation 2.59s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   19
% Syntax   : Number of formulae    :  107 (  35 unt;   0 def)
%            Number of atoms       :  278 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  328 ( 157   ~; 171   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :  101 (   0 sgn 101   !;   0   ?;  81   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f22,axiom,
    group_element(e_1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_1) ).

fof(f23,axiom,
    group_element(e_2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_2) ).

fof(f24,axiom,
    group_element(e_3),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_3) ).

fof(f25,axiom,
    group_element(e_4),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_4) ).

fof(f26,axiom,
    ~ equalish(e_1,e_2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_1_is_not_e_2) ).

fof(f27,axiom,
    ~ equalish(e_1,e_3),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_1_is_not_e_3) ).

fof(f28,axiom,
    ~ equalish(e_1,e_4),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_1_is_not_e_4) ).

fof(f30,axiom,
    ~ equalish(e_2,e_3),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_2_is_not_e_3) ).

fof(f33,axiom,
    ~ equalish(e_3,e_2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_3_is_not_e_2) ).

fof(f34,axiom,
    ~ equalish(e_3,e_4),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_3_is_not_e_4) ).

fof(f35,axiom,
    ~ equalish(e_4,e_1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_4_is_not_e_1) ).

fof(f36,axiom,
    ~ equalish(e_4,e_2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',e_4_is_not_e_2) ).

fof(f38,axiom,
    ! [X0,X1] :
      ( product1(X0,X1,e_4)
      | product1(X0,X1,e_3)
      | product1(X0,X1,e_2)
      | product1(X0,X1,e_1)
      | ~ group_element(X1)
      | ~ group_element(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product1_total_function1) ).

fof(f40,axiom,
    ! [X2,X3,X0,X1] :
      ( equalish(X1,X3)
      | ~ product1(X0,X3,X2)
      | ~ product1(X0,X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product1_right_cancellation) ).

fof(f41,axiom,
    ! [X2,X3,X0,X1] :
      ( equalish(X0,X3)
      | ~ product1(X3,X1,X2)
      | ~ product1(X0,X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product1_left_cancellation) ).

fof(f42,axiom,
    ! [X0] : product1(X0,X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product1_idempotence) ).

fof(f44,axiom,
    ! [X2,X3,X0,X1] :
      ( equalish(X2,X3)
      | ~ product2(X0,X1,X3)
      | ~ product2(X0,X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product2_total_function2) ).

fof(f47,axiom,
    ! [X0] : product2(X0,X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product2_idempotence) ).

fof(f48,negated_conjecture,
    ! [X2,X3,X0,X1] :
      ( product2(X3,X1,X0)
      | ~ product1(X2,X0,X3)
      | ~ product1(X0,X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',qg2a) ).

tcf(c_116,plain,
    group_element(e_1),
    inference(cnf_transformation,[],[f22]) ).

tcf(c_117,plain,
    group_element(e_2),
    inference(cnf_transformation,[],[f23]) ).

tcf(c_118,plain,
    group_element(e_3),
    inference(cnf_transformation,[],[f24]) ).

tcf(c_119,plain,
    group_element(e_4),
    inference(cnf_transformation,[],[f25]) ).

tcf(c_120,plain,
    ~ equalish(e_1,e_2),
    inference(cnf_transformation,[],[f26]) ).

tcf(c_121,plain,
    ~ equalish(e_1,e_3),
    inference(cnf_transformation,[],[f27]) ).

tcf(c_122,plain,
    ~ equalish(e_1,e_4),
    inference(cnf_transformation,[],[f28]) ).

tcf(c_124,plain,
    ~ equalish(e_2,e_3),
    inference(cnf_transformation,[],[f30]) ).

tcf(c_127,plain,
    ~ equalish(e_3,e_2),
    inference(cnf_transformation,[],[f33]) ).

tcf(c_128,plain,
    ~ equalish(e_3,e_4),
    inference(cnf_transformation,[],[f34]) ).

tcf(c_129,plain,
    ~ equalish(e_4,e_1),
    inference(cnf_transformation,[],[f35]) ).

tcf(c_130,plain,
    ~ equalish(e_4,e_2),
    inference(cnf_transformation,[],[f36]) ).

tcf(c_132,plain,
    ! [X0: $i,X1: $i] :
      ( product1(X1,X0,e_4)
      | product1(X1,X0,e_3)
      | product1(X1,X0,e_2)
      | product1(X1,X0,e_1)
      | ~ group_element(X1)
      | ~ group_element(X0) ),
    inference(cnf_transformation,[],[f38]) ).

tcf(c_134,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( equalish(X1,X3)
      | ~ product1(X0,X3,X2)
      | ~ product1(X0,X1,X2) ),
    inference(cnf_transformation,[],[f40]) ).

tcf(c_135,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( equalish(X0,X3)
      | ~ product1(X3,X1,X2)
      | ~ product1(X0,X1,X2) ),
    inference(cnf_transformation,[],[f41]) ).

tcf(c_136,plain,
    ! [X0: $i] : product1(X0,X0,X0),
    inference(cnf_transformation,[],[f42]) ).

tcf(c_138,plain,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( equalish(X2,X3)
      | ~ product2(X0,X1,X3)
      | ~ product2(X0,X1,X2) ),
    inference(cnf_transformation,[],[f44]) ).

tcf(c_141,plain,
    ! [X0: $i] : product2(X0,X0,X0),
    inference(cnf_transformation,[],[f47]) ).

tcf(c_142,negated_conjecture,
    ! [X0: $i,X1: $i,X2: $i,X3: $i] :
      ( product2(X3,X1,X0)
      | ~ product1(X2,X0,X3)
      | ~ product1(X0,X1,X2) ),
    inference(cnf_transformation,[],[f48]) ).

tcf(c_143,plain,
    product2(e_1,e_1,e_1),
    inference(instantiation,[status(thm)],[c_141]) ).

tcf(c_144,plain,
    product1(e_1,e_1,e_1),
    inference(instantiation,[status(thm)],[c_136]) ).

tcf(c_564,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product2(X0,X1,e_2)
      | ~ product2(X0,X1,e_1) ),
    inference(resolution,[status(thm)],[c_120,c_138]) ).

tcf(c_565,plain,
    ( ~ product2(e_1,e_1,e_2)
    | ~ product2(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_564]) ).

tcf(c_604,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product1(e_2,X0,X1)
      | ~ product1(e_1,X0,X1) ),
    inference(resolution,[status(thm)],[c_120,c_135]) ).

tcf(c_605,plain,
    ( ~ product1(e_2,e_1,e_1)
    | ~ product1(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_604]) ).

tcf(c_652,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product1(e_3,X0,X1)
      | ~ product1(e_1,X0,X1) ),
    inference(resolution,[status(thm)],[c_121,c_135]) ).

tcf(c_653,plain,
    ( ~ product1(e_3,e_1,e_1)
    | ~ product1(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_652]) ).

tcf(c_660,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product2(X0,X1,e_4)
      | ~ product2(X0,X1,e_1) ),
    inference(resolution,[status(thm)],[c_122,c_138]) ).

tcf(c_661,plain,
    ( ~ product2(e_1,e_1,e_4)
    | ~ product2(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_660]) ).

tcf(c_684,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product1(X0,e_4,X1)
      | ~ product1(X0,e_1,X1) ),
    inference(resolution,[status(thm)],[c_122,c_134]) ).

tcf(c_685,plain,
    ( ~ product1(e_1,e_4,e_1)
    | ~ product1(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_684]) ).

tcf(c_700,plain,
    ! [X0: $i,X1: $i] :
      ( ~ product1(e_4,X0,X1)
      | ~ product1(e_1,X0,X1) ),
    inference(resolution,[status(thm)],[c_122,c_135]) ).

tcf(c_701,plain,
    ( ~ product1(e_4,e_1,e_1)
    | ~ product1(e_1,e_1,e_1) ),
    inference(instantiation,[status(thm)],[c_700]) ).

tcf(c_1023,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_2)
      | ~ product1(X0,e_2,X1)
      | ~ product1(X0,e_1,X1) ),
    inference(instantiation,[status(thm)],[c_134]) ).

tcf(c_1029,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_3)
      | ~ product1(X0,e_3,X1)
      | ~ product1(X0,e_1,X1) ),
    inference(instantiation,[status(thm)],[c_134]) ).

tcf(c_1031,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_3)
      | ~ product1(e_3,X0,X1)
      | ~ product1(e_1,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1032,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_4)
      | ~ product2(X0,X1,e_4)
      | ~ product2(X0,X1,e_1) ),
    inference(instantiation,[status(thm)],[c_138]) ).

tcf(c_1035,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_4)
      | ~ product1(X0,e_4,X1)
      | ~ product1(X0,e_1,X1) ),
    inference(instantiation,[status(thm)],[c_134]) ).

tcf(c_1037,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_1,e_4)
      | ~ product1(e_4,X0,X1)
      | ~ product1(e_1,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1047,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_2,e_3)
      | ~ product1(X0,e_3,X1)
      | ~ product1(X0,e_2,X1) ),
    inference(instantiation,[status(thm)],[c_134]) ).

tcf(c_1049,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_2,e_3)
      | ~ product1(e_3,X0,X1)
      | ~ product1(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1067,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_3,e_2)
      | ~ product1(e_3,X0,X1)
      | ~ product1(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1073,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_3,e_4)
      | ~ product1(e_4,X0,X1)
      | ~ product1(e_3,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1085,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(e_4,e_2)
      | ~ product1(e_4,X0,X1)
      | ~ product1(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_135]) ).

tcf(c_1118,plain,
    ( equalish(e_1,e_2)
    | ~ product1(e_2,e_2,e_2)
    | ~ product1(e_2,e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_1023]) ).

tcf(c_1119,plain,
    product1(e_2,e_2,e_2),
    inference(instantiation,[status(thm)],[c_136]) ).

tcf(c_1121,plain,
    ! [X0: $i] :
      ( product1(X0,e_2,e_4)
      | product1(X0,e_2,e_3)
      | product1(X0,e_2,e_2)
      | product1(X0,e_2,e_1)
      | ~ group_element(e_2)
      | ~ group_element(X0) ),
    inference(instantiation,[status(thm)],[c_132]) ).

tcf(c_1132,plain,
    ! [X0: $i] :
      ( product1(e_2,X0,e_4)
      | product1(e_2,X0,e_3)
      | product1(e_2,X0,e_2)
      | product1(e_2,X0,e_1)
      | ~ group_element(e_2)
      | ~ group_element(X0) ),
    inference(instantiation,[status(thm)],[c_132]) ).

tcf(c_1133,plain,
    ( product1(e_2,e_1,e_4)
    | product1(e_2,e_1,e_3)
    | product1(e_2,e_1,e_2)
    | product1(e_2,e_1,e_1)
    | ~ group_element(e_2)
    | ~ group_element(e_1) ),
    inference(instantiation,[status(thm)],[c_1132]) ).

tcf(c_1141,plain,
    ( equalish(e_1,e_3)
    | ~ product1(e_3,e_3,e_3)
    | ~ product1(e_3,e_1,e_3) ),
    inference(instantiation,[status(thm)],[c_1029]) ).

tcf(c_1142,plain,
    product1(e_3,e_3,e_3),
    inference(instantiation,[status(thm)],[c_136]) ).

tcf(c_1155,plain,
    ! [X0: $i] :
      ( product1(e_3,X0,e_4)
      | product1(e_3,X0,e_3)
      | product1(e_3,X0,e_2)
      | product1(e_3,X0,e_1)
      | ~ group_element(e_3)
      | ~ group_element(X0) ),
    inference(instantiation,[status(thm)],[c_132]) ).

tcf(c_1156,plain,
    ( product1(e_3,e_1,e_4)
    | product1(e_3,e_1,e_3)
    | product1(e_3,e_1,e_2)
    | product1(e_3,e_1,e_1)
    | ~ group_element(e_3)
    | ~ group_element(e_1) ),
    inference(instantiation,[status(thm)],[c_1155]) ).

tcf(c_1157,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( product2(X2,e_4,X1)
      | ~ product1(X1,e_4,X0)
      | ~ product1(X0,X1,X2) ),
    inference(instantiation,[status(thm)],[c_142]) ).

tcf(c_1160,plain,
    product2(e_4,e_4,e_4),
    inference(instantiation,[status(thm)],[c_141]) ).

tcf(c_1165,plain,
    product1(e_4,e_4,e_4),
    inference(instantiation,[status(thm)],[c_136]) ).

tcf(c_1167,plain,
    ! [X0: $i] :
      ( product1(X0,e_4,e_4)
      | product1(X0,e_4,e_3)
      | product1(X0,e_4,e_2)
      | product1(X0,e_4,e_1)
      | ~ group_element(e_4)
      | ~ group_element(X0) ),
    inference(instantiation,[status(thm)],[c_132]) ).

tcf(c_1168,plain,
    ( product1(e_1,e_4,e_4)
    | product1(e_1,e_4,e_3)
    | product1(e_1,e_4,e_2)
    | product1(e_1,e_4,e_1)
    | ~ group_element(e_4)
    | ~ group_element(e_1) ),
    inference(instantiation,[status(thm)],[c_1167]) ).

tcf(c_1342,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( product2(X1,X2,e_2)
      | ~ product1(e_2,X2,X0)
      | ~ product1(X0,e_2,X1) ),
    inference(instantiation,[status(thm)],[c_142]) ).

tcf(c_1354,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( product2(X1,X2,e_4)
      | ~ product1(e_4,X2,X0)
      | ~ product1(X0,e_4,X1) ),
    inference(instantiation,[status(thm)],[c_142]) ).

tcf(c_1495,plain,
    ( equalish(e_2,e_3)
    | ~ product1(e_3,e_3,e_3)
    | ~ product1(e_3,e_2,e_3) ),
    inference(instantiation,[status(thm)],[c_1047]) ).

tcf(c_1592,plain,
    ( equalish(e_1,e_4)
    | ~ product2(e_4,e_4,e_4)
    | ~ product2(e_4,e_4,e_1) ),
    inference(instantiation,[status(thm)],[c_1032]) ).

tcf(c_1620,plain,
    ( equalish(e_3,e_4)
    | ~ product1(e_4,e_4,e_4)
    | ~ product1(e_3,e_4,e_4) ),
    inference(instantiation,[status(thm)],[c_1073]) ).

tcf(c_1622,plain,
    ( equalish(e_1,e_4)
    | ~ product1(e_4,e_4,e_4)
    | ~ product1(e_1,e_4,e_4) ),
    inference(instantiation,[status(thm)],[c_1037]) ).

tcf(c_1826,plain,
    ( product1(e_3,e_2,e_4)
    | product1(e_3,e_2,e_3)
    | product1(e_3,e_2,e_2)
    | product1(e_3,e_2,e_1)
    | ~ group_element(e_3)
    | ~ group_element(e_2) ),
    inference(instantiation,[status(thm)],[c_1121]) ).

tcf(c_1829,plain,
    ( equalish(e_2,e_3)
    | ~ product1(e_3,e_2,e_2)
    | ~ product1(e_2,e_2,e_2) ),
    inference(instantiation,[status(thm)],[c_1049]) ).

tcf(c_1851,plain,
    ! [X0: $i,X1: $i] :
      ( equalish(X0,X1)
      | ~ product1(X0,X1,X0) ),
    inference(superposition,[status(thm)],[c_136,c_134]) ).

tcf(c_2076,plain,
    ! [X0: $i,X1: $i] :
      ( product2(X1,X0,e_2)
      | ~ product1(e_3,e_2,X1)
      | ~ product1(e_2,X0,e_3) ),
    inference(instantiation,[status(thm)],[c_1342]) ).

tcf(c_2077,plain,
    ( product2(e_1,e_1,e_2)
    | ~ product1(e_3,e_2,e_1)
    | ~ product1(e_2,e_1,e_3) ),
    inference(instantiation,[status(thm)],[c_2076]) ).

tcf(c_2429,plain,
    ( product1(e_3,e_4,e_4)
    | product1(e_3,e_4,e_3)
    | product1(e_3,e_4,e_2)
    | product1(e_3,e_4,e_1)
    | ~ group_element(e_4)
    | ~ group_element(e_3) ),
    inference(instantiation,[status(thm)],[c_1155]) ).

tcf(c_2435,plain,
    ( equalish(e_1,e_4)
    | ~ product1(e_3,e_4,e_2)
    | ~ product1(e_3,e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_1035]) ).

tcf(c_2461,plain,
    ! [X0: $i] :
      ( equalish(e_4,X0)
      | product1(e_4,X0,e_3)
      | product1(e_4,X0,e_2)
      | product1(e_4,X0,e_1)
      | ~ group_element(e_4)
      | ~ group_element(X0) ),
    inference(superposition,[status(thm)],[c_132,c_1851]) ).

tcf(c_2479,plain,
    ! [X0: $i] :
      ( equalish(e_4,X0)
      | product1(e_4,X0,e_3)
      | product1(e_4,X0,e_2)
      | product1(e_4,X0,e_1)
      | ~ group_element(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[c_2461,c_119]) ).

tcf(c_2513,plain,
    ( equalish(e_4,e_1)
    | product1(e_4,e_1,e_3)
    | product1(e_4,e_1,e_2)
    | product1(e_4,e_1,e_1)
    | ~ group_element(e_1) ),
    inference(instantiation,[status(thm)],[c_2479]) ).

tcf(c_2625,plain,
    ! [X0: $i,X1: $i] :
      ( product2(X1,e_4,X0)
      | ~ product1(X0,e_4,e_2)
      | ~ product1(e_2,X0,X1) ),
    inference(instantiation,[status(thm)],[c_1157]) ).

tcf(c_2659,plain,
    ! [X0: $i] :
      ( equalish(e_3,e_4)
      | ~ product1(e_4,X0,e_2)
      | ~ product1(e_3,X0,e_2) ),
    inference(instantiation,[status(thm)],[c_1073]) ).

tcf(c_2664,plain,
    ( equalish(e_3,e_4)
    | ~ product1(e_4,e_1,e_2)
    | ~ product1(e_3,e_1,e_2) ),
    inference(instantiation,[status(thm)],[c_2659]) ).

tcf(c_2898,plain,
    ! [X0: $i] :
      ( product2(e_4,e_4,X0)
      | ~ product1(e_2,X0,e_4)
      | ~ product1(X0,e_4,e_2) ),
    inference(instantiation,[status(thm)],[c_2625]) ).

tcf(c_2903,plain,
    ( product2(e_4,e_4,e_1)
    | ~ product1(e_2,e_1,e_4)
    | ~ product1(e_1,e_4,e_2) ),
    inference(instantiation,[status(thm)],[c_2898]) ).

tcf(c_3586,plain,
    ! [X0: $i] :
      ( equalish(e_3,e_2)
      | ~ product1(e_3,X0,e_4)
      | ~ product1(e_2,X0,e_4) ),
    inference(instantiation,[status(thm)],[c_1067]) ).

tcf(c_3593,plain,
    ( equalish(e_3,e_2)
    | ~ product1(e_3,e_1,e_4)
    | ~ product1(e_2,e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_3586]) ).

tcf(c_3633,plain,
    ! [X0: $i] :
      ( equalish(e_4,e_2)
      | ~ product1(e_4,X0,e_3)
      | ~ product1(e_2,X0,e_3) ),
    inference(instantiation,[status(thm)],[c_1085]) ).

tcf(c_3642,plain,
    ( equalish(e_4,e_2)
    | ~ product1(e_4,e_1,e_3)
    | ~ product1(e_2,e_1,e_3) ),
    inference(instantiation,[status(thm)],[c_3633]) ).

tcf(c_3649,plain,
    ! [X0: $i,X1: $i] :
      ( product2(X0,X1,e_4)
      | ~ product1(e_4,X1,e_3)
      | ~ product1(e_3,e_4,X0) ),
    inference(instantiation,[status(thm)],[c_1354]) ).

tcf(c_3650,plain,
    ( product2(e_1,e_1,e_4)
    | ~ product1(e_4,e_1,e_3)
    | ~ product1(e_3,e_4,e_1) ),
    inference(instantiation,[status(thm)],[c_3649]) ).

tcf(c_4930,plain,
    ( equalish(e_1,e_2)
    | ~ product1(e_3,e_2,e_4)
    | ~ product1(e_3,e_1,e_4) ),
    inference(instantiation,[status(thm)],[c_1023]) ).

tcf(c_4982,plain,
    ( equalish(e_1,e_3)
    | ~ product1(e_3,e_4,e_3)
    | ~ product1(e_1,e_4,e_3) ),
    inference(instantiation,[status(thm)],[c_1031]) ).

tcf(c_4989,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_4982,c_4930,c_3650,c_3642,c_3593,c_2903,c_2664,c_2513,c_2435,c_2429,c_2077,c_1829,c_1826,c_1620,c_1622,c_1592,c_1495,c_1168,c_1165,c_1160,c_1156,c_1142,c_1141,c_1133,c_1119,c_1118,c_701,c_685,c_661,c_653,c_605,c_565,c_120,c_121,c_122,c_124,c_127,c_128,c_129,c_130,c_144,c_143,c_116,c_117,c_118,c_119]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : GRP124-8.004 : TPTP v9.3.1. Released v1.2.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.35  % Computer : n017.cluster.edu
% 0.09/0.35  % Model    : x86_64 x86_64
% 0.09/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35  % Memory   : 8046.5625MB
% 0.09/0.35  % OS       : Linux 6.8.0-71-generic
% 0.09/0.35  % CPULimit : 300
% 0.09/0.35  % WCLimit  : 300
% 0.09/0.35  % DateTime : Wed Sep 23 13:34:44 UTC 2026
% 0.09/0.35  % CPUTime  : 
% 0.09/0.35  Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.38  Running EPR theorem proving
% 0.09/0.38  Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.39  
% 0.09/0.39  % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.39  
% 0.09/0.39  % Detected problem language: tptp
% 0.13/0.41  % Proving...
% 2.59/1.14  % SZS status Started for theBenchmark.p
% 2.59/1.14  % SZS status Unsatisfiable for theBenchmark.p
% 2.59/1.14  
% 2.59/1.14  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.59/1.14  
% 2.59/1.14  % ------  iProver source info
% 2.59/1.14  
% 2.59/1.14  % git: date: 2026-07-19 20:42:38 +0200
% 2.59/1.14  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.59/1.14  % git: non_committed_changes: false
% 2.59/1.14  
% 2.59/1.14  % ------ Parsing...% successful
% 2.59/1.14  
% 2.59/1.14  
% 2.59/1.14  % ------ Clausification by vclausify_rel  & Parsing by iProver...% ------  preprocesses with Option_epr_non_horn_non_eq
% 2.59/1.14  % 
% 2.59/1.14  
% 2.59/1.14  % ------ Preprocessing... sf_s  rm: 0 0s  sf_e  pe_s  pe_e % 
% 2.59/1.14  
% 2.59/1.14  % ------ Preprocessing...% ------  preprocesses with Option_epr_non_horn_non_eq
% 2.59/1.14   gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.59/1.14  % ------ Proving...
% 2.59/1.14  % ------ Problem Properties 
% 2.59/1.14  
% 2.59/1.14  % 
% 2.59/1.14  % clauses                               46
% 2.59/1.14  % conjectures                           1
% 2.59/1.14  % EPR                                   46
% 2.59/1.14  % Horn                                  43
% 2.59/1.14  % unary                                 33
% 2.59/1.14  % binary                                0
% 2.59/1.14  % lits                                  86
% 2.59/1.14  % lits eq                               0
% 2.59/1.14  % fd_pure                               0
% 2.59/1.14  % fd_pseudo                             0
% 2.59/1.14  % fd_cond                               0
% 2.59/1.14  % fd_pseudo_cond                        0
% 2.59/1.14  % AC symbols                            0
% 2.59/1.14  
% 2.59/1.14  % ------ Schedule EPR non Horn non eq is on
% 2.59/1.14  
% 2.59/1.14  % ------ no equalities: superposition off 
% 2.59/1.14  
% 2.59/1.14  % ------ Input Options "--resolution_flag false" Time Limit: 70.
% 2.59/1.14  
% 2.59/1.14  
% 2.59/1.14  % ------ 
% 2.59/1.14  % Current options:
% 2.59/1.14  % ------ 
% 2.59/1.14  
% 2.59/1.14  
% 2.59/1.14  % 
% 2.59/1.14  
% 2.59/1.14  % ------ Proving...
% 2.59/1.14  % 
% 2.59/1.14  
% 2.59/1.14  % SZS status Unsatisfiable for theBenchmark.p
% 2.59/1.14  
% 2.59/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.59/1.14  
% 2.59/1.14  
%------------------------------------------------------------------------------