%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : LCL961_11 : TPTP v9.3.1. Released v8.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n003.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 02:08:44 PM UTC 2026
% Result : Theorem 1.15s 1.27s
% Output : CNFRefutation 1.15s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL961_11 : TPTP v9.3.1. Released v8.2.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.36 % Computer : n003.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Thu Sep 24 00:45:20 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.15/0.40 Running first-order theorem proving
% 0.15/0.40 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.42
% 0.15/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.15/0.42
% 0.15/0.42 % Detected problem language: tptp
% 0.15/0.43 % Proving...
% 1.15/1.27 % SZS status Started for theBenchmark.p
% 1.15/1.27 % SZS status Theorem for theBenchmark.p
% 1.15/1.27
% 1.15/1.27 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.15/1.27
% 1.15/1.27 % ------ iProver source info
% 1.15/1.27
% 1.15/1.27 % git: date: 2026-07-19 20:42:38 +0200
% 1.15/1.27 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.15/1.27 % git: non_committed_changes: false
% 1.15/1.27
% 1.15/1.27 % ------ Parsing...
% 1.15/1.27 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Global Options Modified: tff_prep: switching off prep_sem_filter, sub_typing, pure_diseq_elim
% 1.15/1.27 %
% 1.15/1.27
% 1.15/1.27 % ------ Preprocessing...%
% 1.15/1.27
% 1.15/1.27 % SZS status Theorem for theBenchmark.p
% 1.15/1.27
% 1.15/1.27 % SZS output start CNFRefutation for theBenchmark.p
% 1.15/1.27
% 1.15/1.27 tff(func_def_0, type, '$ki_local_world': '$ki_world').
% 1.15/1.27 tff(pred_def_1, type, '$ki_accessible': ('$ki_world' * '$ki_world') > $o).
% 1.15/1.27 tff(pred_def_2, type, p: '$ki_world' > $o).
% 1.15/1.27 tff(pred_def_3, type, q: '$ki_world' > $o).
% 1.15/1.27 tff(func_def_4, type, sK3: '$ki_world').
% 1.15/1.27 tff(type_def_5, type, '$ki_world': $tType).
% 1.15/1.27 tff(f1,axiom,(
% 1.15/1.27 ! [X0 : '$ki_world',X1 : '$ki_world'] : '$ki_accessible'(X0,X1)),
% 1.15/1.27 file('/export/starexec/sandbox/benchmark/theBenchmark.p',mrel_universal)).
% 1.15/1.27
% 1.15/1.27 tff(f2,conjecture,(
% 1.15/1.27 ! [X0 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X0) => (! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => p(X1)) => ! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => q(X1)))) | ! [X0 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X0) => (! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => q(X1)) => ! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => p(X1))))),
% 1.15/1.27 file('/export/starexec/sandbox/benchmark/theBenchmark.p',verify)).
% 1.15/1.27
% 1.15/1.27 tff(f3,negated_conjecture,(
% 1.15/1.27 ~(! [X0 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X0) => (! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => p(X1)) => ! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => q(X1)))) | ! [X0 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X0) => (! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => q(X1)) => ! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => p(X1)))))),
% 1.15/1.27 inference(negated_conjecture,[status(cth)],[f2])).
% 1.15/1.27
% 1.15/1.27 tff(f4,plain,(
% 1.15/1.27 ~(! [X0 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X0) => (! [X1 : '$ki_world'] : ('$ki_accessible'(X0,X1) => p(X1)) => ! [X2 : '$ki_world'] : ('$ki_accessible'(X0,X2) => q(X2)))) | ! [X3 : '$ki_world'] : ('$ki_accessible'('$ki_local_world',X3) => (! [X4 : '$ki_world'] : ('$ki_accessible'(X3,X4) => q(X4)) => ! [X5 : '$ki_world'] : ('$ki_accessible'(X3,X5) => p(X5)))))),
% 1.15/1.27 inference(rectify,[],[f3])).
% 1.15/1.27
% 1.15/1.27 tff(f5,plain,(
% 1.15/1.27 ? [X0 : '$ki_world'] : ((? [X2 : '$ki_world'] : (~q(X2) & '$ki_accessible'(X0,X2)) & ! [X1 : '$ki_world'] : (p(X1) | ~'$ki_accessible'(X0,X1))) & '$ki_accessible'('$ki_local_world',X0)) & ? [X3 : '$ki_world'] : ((? [X5 : '$ki_world'] : (~p(X5) & '$ki_accessible'(X3,X5)) & ! [X4 : '$ki_world'] : (q(X4) | ~'$ki_accessible'(X3,X4))) & '$ki_accessible'('$ki_local_world',X3))),
% 1.15/1.27 inference(ennf_transformation,[],[f4])).
% 1.15/1.27
% 1.15/1.27 tff(f6,plain,(
% 1.15/1.27 ? [X0 : '$ki_world'] : (? [X2 : '$ki_world'] : (~q(X2) & '$ki_accessible'(X0,X2)) & ! [X1 : '$ki_world'] : (p(X1) | ~'$ki_accessible'(X0,X1)) & '$ki_accessible'('$ki_local_world',X0)) & ? [X3 : '$ki_world'] : (? [X5 : '$ki_world'] : (~p(X5) & '$ki_accessible'(X3,X5)) & ! [X4 : '$ki_world'] : (q(X4) | ~'$ki_accessible'(X3,X4)) & '$ki_accessible'('$ki_local_world',X3))),
% 1.15/1.27 inference(flattening,[],[f5])).
% 1.15/1.27
% 1.15/1.27 tff(f7,plain,(
% 1.15/1.27 ? [X0 : '$ki_world'] : (? [X1 : '$ki_world'] : (~q(X1) & '$ki_accessible'(X0,X1)) & ! [X2 : '$ki_world'] : (p(X2) | ~'$ki_accessible'(X0,X2)) & '$ki_accessible'('$ki_local_world',X0)) & ? [X3 : '$ki_world'] : (? [X4 : '$ki_world'] : (~p(X4) & '$ki_accessible'(X3,X4)) & ! [X5 : '$ki_world'] : (q(X5) | ~'$ki_accessible'(X3,X5)) & '$ki_accessible'('$ki_local_world',X3))),
% 1.15/1.27 inference(rectify,[],[f6])).
% 1.15/1.27
% 1.15/1.27 tff(f8,plain,(
% 1.15/1.27 ((~q(sK1) & '$ki_accessible'(sK0,sK1)) & ! [X2 : '$ki_world'] : (p(X2) | ~'$ki_accessible'(sK0,X2)) & '$ki_accessible'('$ki_local_world',sK0)) & ((~p(sK3) & '$ki_accessible'(sK2,sK3)) & ! [X5 : '$ki_world'] : (q(X5) | ~'$ki_accessible'(sK2,X5)) & '$ki_accessible'('$ki_local_world',sK2))),
% 1.15/1.27 inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X3,sK2),skolemize(X4,sK3)],[f7])).
% 1.15/1.27
% 1.15/1.27 tff(f9,plain,(
% 1.15/1.27 ( ! [X0 : '$ki_world',X1 : '$ki_world'] : ('$ki_accessible'(X0,X1)) )),
% 1.15/1.27 inference(cnf_transformation,[],[f1])).
% 1.15/1.27
% 1.15/1.27 tff(f13,plain,(
% 1.15/1.27 ~p(sK3)),
% 1.15/1.27 inference(cnf_transformation,[],[f8])).
% 1.15/1.27
% 1.15/1.27 tff(f15,plain,(
% 1.15/1.27 ( ! [X2 : '$ki_world'] : (p(X2) | ~'$ki_accessible'(sK0,X2)) )),
% 1.15/1.27 inference(cnf_transformation,[],[f8])).
% 1.15/1.27
% 1.15/1.27 tcf(c_49,plain,![X0_'ki_world':'$ki_world',X1_'ki_world':'$ki_world']:
% 1.15/1.27 ('$ki_accessible'(X0_'ki_world',X1_'ki_world')),
% 1.15/1.27 inference(cnf_transformation,[],[f9])).
% 1.15/1.27
% 1.15/1.27 tcf(c_52,negated_conjecture,![X0_'ki_world':'$ki_world']:
% 1.15/1.27 (~'$ki_accessible'(sK0,X0_'ki_world')|p(X0_'ki_world')),
% 1.15/1.27 inference(cnf_transformation,[],[f15])).
% 1.15/1.27
% 1.15/1.27 tcf(c_54,negated_conjecture,
% 1.15/1.27 (~p(sK3)),
% 1.15/1.27 inference(cnf_transformation,[],[f13])).
% 1.15/1.27
% 1.15/1.27 tcf(c_63,plain,![X0_'ki_world':'$ki_world']:
% 1.15/1.27 (p(X0_'ki_world')),
% 1.15/1.27 inference(backward_subsumption_resolution,[status(thm)],[c_52,c_49])).
% 1.15/1.27
% 1.15/1.27 tcf(c_69,plain,
% 1.15/1.27 ($false),
% 1.15/1.27 inference(backward_subsumption_resolution,[status(thm)],[c_54,c_63])).
% 1.15/1.27
% 1.15/1.27
% 1.15/1.27 % SZS output end CNFRefutation for theBenchmark.p
% 1.15/1.27
% 1.15/1.27
%------------------------------------------------------------------------------