%------------------------------------------------------------------------------ % File : Princess---230619 % Problem : PUZ060+1 : TPTP v8.1.2. Released v3.1.0. % Transfm : none % Format : tptp % Command : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s % Computer : n006.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 13:22:59 EDT 2023 % Result : Theorem 3.83s 1.39s % Output : Proof 5.73s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.11 % Problem : PUZ060+1 : TPTP v8.1.2. Released v3.1.0. % 0.00/0.11 % Command : princess -inputFormat=tptp +threads -portfolio=casc +printProof -timeoutSec=%d %s % 0.11/0.31 % Computer : n006.cluster.edu % 0.11/0.31 % Model : x86_64 x86_64 % 0.11/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.11/0.31 % Memory : 8042.1875MB % 0.11/0.31 % OS : Linux 3.10.0-693.el7.x86_64 % 0.11/0.31 % CPULimit : 300 % 0.11/0.31 % WCLimit : 300 % 0.11/0.31 % DateTime : Sat Aug 26 22:29:37 EDT 2023 % 0.11/0.32 % CPUTime : % 0.16/0.58 ________ _____ % 0.16/0.58 ___ __ \_________(_)________________________________ % 0.16/0.58 __ /_/ /_ ___/_ /__ __ \ ___/ _ \_ ___/_ ___/ % 0.16/0.58 _ ____/_ / _ / _ / / / /__ / __/(__ )_(__ ) % 0.16/0.58 /_/ /_/ /_/ /_/ /_/\___/ \___//____/ /____/ % 0.16/0.58 % 0.16/0.58 A Theorem Prover for First-Order Logic modulo Linear Integer Arithmetic % 0.16/0.58 (2023-06-19) % 0.16/0.58 % 0.16/0.58 (c) Philipp Rümmer, 2009-2023 % 0.16/0.58 Contributors: Peter Backeman, Peter Baumgartner, Angelo Brillout, Zafer Esen, % 0.16/0.58 Amanda Stjerna. % 0.16/0.58 Free software under BSD-3-Clause. % 0.16/0.58 % 0.16/0.58 For more information, visit http://www.philipp.ruemmer.org/princess.shtml % 0.16/0.58 % 0.16/0.59 Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ... % 0.16/0.60 Running up to 7 provers in parallel. % 0.16/0.62 Prover 0: Options: +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1042961893 % 0.16/0.62 Prover 1: Options: +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1571432423 % 0.16/0.62 Prover 2: Options: +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMinimalAndEmpty -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1065072994 % 0.16/0.62 Prover 4: Options: +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=1868514696 % 0.16/0.62 Prover 3: Options: +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=1922548996 % 0.16/0.62 Prover 5: Options: +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -realRatSaturationRounds=1 -ignoreQuantifiers -constructProofs=never -generateTriggers=complete -randomSeed=1259561288 % 0.16/0.62 Prover 6: Options: -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximalOutermost -realRatSaturationRounds=0 -ignoreQuantifiers -constructProofs=never -generateTriggers=all -randomSeed=-1399714365 % 1.77/0.99 Prover 4: Preprocessing ... % 1.77/0.99 Prover 1: Preprocessing ... % 2.11/1.05 Prover 2: Preprocessing ... % 2.11/1.05 Prover 5: Preprocessing ... % 2.11/1.05 Prover 3: Preprocessing ... % 2.11/1.05 Prover 0: Preprocessing ... % 2.11/1.05 Prover 6: Preprocessing ... % 2.58/1.14 Prover 2: Proving ... % 2.58/1.15 Prover 5: Proving ... % 3.02/1.21 Prover 3: Constructing countermodel ... % 3.02/1.21 Prover 1: Constructing countermodel ... % 3.02/1.22 Prover 4: Constructing countermodel ... % 3.02/1.23 Prover 6: Proving ... % 3.02/1.24 Prover 0: Proving ... % 3.83/1.38 Prover 0: proved (775ms) % 3.83/1.38 % 3.83/1.39 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p % 3.83/1.39 % 3.83/1.39 Prover 3: gave up % 3.83/1.39 Prover 2: stopped % 3.83/1.39 Prover 5: stopped % 3.83/1.40 Prover 7: Options: +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-236303470 % 3.83/1.40 Prover 8: Options: +triggersInConjecture +genTotalityAxioms -tightFunctionScopes -clausifier=none -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-200781089 % 3.83/1.40 Prover 6: stopped % 3.83/1.40 Prover 10: Options: +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=919308125 % 3.83/1.40 Prover 13: Options: +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=0 +ignoreQuantifiers -constructProofs=always -generateTriggers=complete -randomSeed=1138197443 % 3.83/1.40 Prover 11: Options: +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=all -randomSeed=-1509710984 % 3.83/1.41 Prover 1: gave up % 3.83/1.41 Prover 16: Options: +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -realRatSaturationRounds=1 +ignoreQuantifiers -constructProofs=always -generateTriggers=completeFrugal -randomSeed=-2043353683 % 3.83/1.42 Prover 7: Preprocessing ... % 3.83/1.43 Prover 4: Found proof (size 18) % 3.83/1.43 Prover 4: proved (815ms) % 3.83/1.44 Prover 10: Preprocessing ... % 3.83/1.44 Prover 13: Preprocessing ... % 3.83/1.44 Prover 8: Preprocessing ... % 3.83/1.44 Prover 16: Preprocessing ... % 3.83/1.45 Prover 11: Preprocessing ... % 3.83/1.45 Prover 7: Warning: ignoring some quantifiers % 3.83/1.46 Prover 7: Constructing countermodel ... % 3.83/1.46 Prover 13: Warning: ignoring some quantifiers % 3.83/1.46 Prover 10: Warning: ignoring some quantifiers % 3.83/1.46 Prover 7: stopped % 3.83/1.46 Prover 13: Constructing countermodel ... % 3.83/1.46 Prover 10: Constructing countermodel ... % 3.83/1.46 Prover 13: stopped % 4.75/1.46 Prover 10: stopped % 4.97/1.47 Prover 11: stopped % 4.97/1.48 Prover 16: Warning: ignoring some quantifiers % 4.97/1.48 Prover 16: Constructing countermodel ... % 4.97/1.48 Prover 16: stopped % 4.97/1.50 Prover 8: Warning: ignoring some quantifiers % 4.97/1.51 Prover 8: Constructing countermodel ... % 4.97/1.52 Prover 8: stopped % 4.97/1.52 % 4.97/1.52 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p % 4.97/1.52 % 4.97/1.52 % SZS output start Proof for theBenchmark % 4.97/1.52 Assumptions after simplification: % 4.97/1.52 --------------------------------- % 4.97/1.52 % 4.97/1.52 (prove_this) % 5.51/1.58 ? [v0: $i] : ? [v1: $i] : ? [v2: $i] : ? [v3: $i] : ? [v4: $i] : ? [v5: % 5.51/1.58 $i] : ? [v6: int] : ( ~ (v6 = 0) & alive(v2) = 0 & eats(v2, v0) = 0 & % 5.51/1.58 likes(v1, v0) = v6 & food(v5) = 0 & food(v4) = 0 & $i(v5) & $i(v4) & $i(v3) % 5.51/1.58 & $i(v2) & $i(v1) & $i(v0) & ! [v7: $i] : ! [v8: $i] : ! [v9: int] : (v9 % 5.51/1.58 = 0 | ~ (alive(v7) = 0) | ~ (not_killed_by(v7, v8) = v9) | ~ $i(v8) | % 5.51/1.58 ~ $i(v7)) & ! [v7: $i] : ! [v8: int] : ! [v9: $i] : (v8 = 0 | ~ % 5.51/1.58 (not_killed_by(v9, v7) = 0) | ~ (food(v7) = v8) | ~ $i(v9) | ~ $i(v7) | % 5.51/1.58 ? [v10: int] : ( ~ (v10 = 0) & eats(v9, v7) = v10)) & ! [v7: $i] : ! % 5.51/1.58 [v8: int] : ! [v9: $i] : (v8 = 0 | ~ (eats(v9, v7) = 0) | ~ (food(v7) = % 5.51/1.58 v8) | ~ $i(v9) | ~ $i(v7) | ? [v10: int] : ( ~ (v10 = 0) & % 5.51/1.58 not_killed_by(v9, v7) = v10)) & ! [v7: $i] : ! [v8: int] : (v8 = 0 | % 5.51/1.58 ~ (eats(v3, v7) = v8) | ~ $i(v7) | ? [v9: int] : ( ~ (v9 = 0) & eats(v2, % 5.51/1.58 v7) = v9)) & ! [v7: $i] : ! [v8: int] : (v8 = 0 | ~ (likes(v1, v7) % 5.51/1.58 = v8) | ~ $i(v7) | ? [v9: int] : ( ~ (v9 = 0) & food(v7) = v9)) & ! % 5.51/1.58 [v7: $i] : ( ~ (eats(v2, v7) = 0) | ~ $i(v7) | eats(v3, v7) = 0) & ! [v7: % 5.51/1.58 $i] : ( ~ (food(v7) = 0) | ~ $i(v7) | likes(v1, v7) = 0)) % 5.51/1.58 % 5.51/1.58 Those formulas are unsatisfiable: % 5.51/1.58 --------------------------------- % 5.51/1.58 % 5.51/1.58 Begin of proof % 5.51/1.58 | % 5.51/1.58 | DELTA: instantiating (prove_this) with fresh symbols all_3_0, all_3_1, % 5.51/1.58 | all_3_2, all_3_3, all_3_4, all_3_5, all_3_6 gives: % 5.51/1.60 | (1) ~ (all_3_0 = 0) & alive(all_3_4) = 0 & eats(all_3_4, all_3_6) = 0 & % 5.51/1.60 | likes(all_3_5, all_3_6) = all_3_0 & food(all_3_1) = 0 & food(all_3_2) = % 5.51/1.60 | 0 & $i(all_3_1) & $i(all_3_2) & $i(all_3_3) & $i(all_3_4) & $i(all_3_5) % 5.51/1.60 | & $i(all_3_6) & ! [v0: $i] : ! [v1: $i] : ! [v2: int] : (v2 = 0 | ~ % 5.51/1.60 | (alive(v0) = 0) | ~ (not_killed_by(v0, v1) = v2) | ~ $i(v1) | ~ % 5.51/1.60 | $i(v0)) & ! [v0: $i] : ! [v1: int] : ! [v2: $i] : (v1 = 0 | ~ % 5.51/1.60 | (not_killed_by(v2, v0) = 0) | ~ (food(v0) = v1) | ~ $i(v2) | ~ % 5.51/1.60 | $i(v0) | ? [v3: int] : ( ~ (v3 = 0) & eats(v2, v0) = v3)) & ! [v0: % 5.51/1.60 | $i] : ! [v1: int] : ! [v2: $i] : (v1 = 0 | ~ (eats(v2, v0) = 0) | % 5.51/1.60 | ~ (food(v0) = v1) | ~ $i(v2) | ~ $i(v0) | ? [v3: int] : ( ~ (v3 = % 5.51/1.60 | 0) & not_killed_by(v2, v0) = v3)) & ! [v0: $i] : ! [v1: int] : % 5.51/1.60 | (v1 = 0 | ~ (eats(all_3_3, v0) = v1) | ~ $i(v0) | ? [v2: int] : ( ~ % 5.51/1.60 | (v2 = 0) & eats(all_3_4, v0) = v2)) & ! [v0: $i] : ! [v1: int] : % 5.51/1.60 | (v1 = 0 | ~ (likes(all_3_5, v0) = v1) | ~ $i(v0) | ? [v2: int] : ( ~ % 5.51/1.60 | (v2 = 0) & food(v0) = v2)) & ! [v0: $i] : ( ~ (eats(all_3_4, v0) = % 5.51/1.60 | 0) | ~ $i(v0) | eats(all_3_3, v0) = 0) & ! [v0: $i] : ( ~ % 5.51/1.60 | (food(v0) = 0) | ~ $i(v0) | likes(all_3_5, v0) = 0) % 5.51/1.60 | % 5.51/1.60 | ALPHA: (1) implies: % 5.51/1.60 | (2) ~ (all_3_0 = 0) % 5.51/1.60 | (3) $i(all_3_6) % 5.51/1.60 | (4) $i(all_3_4) % 5.51/1.61 | (5) likes(all_3_5, all_3_6) = all_3_0 % 5.51/1.61 | (6) eats(all_3_4, all_3_6) = 0 % 5.51/1.61 | (7) alive(all_3_4) = 0 % 5.51/1.61 | (8) ! [v0: $i] : ! [v1: int] : (v1 = 0 | ~ (likes(all_3_5, v0) = v1) | % 5.51/1.61 | ~ $i(v0) | ? [v2: int] : ( ~ (v2 = 0) & food(v0) = v2)) % 5.51/1.61 | (9) ! [v0: $i] : ! [v1: int] : ! [v2: $i] : (v1 = 0 | ~ (eats(v2, v0) = % 5.51/1.61 | 0) | ~ (food(v0) = v1) | ~ $i(v2) | ~ $i(v0) | ? [v3: int] : ( % 5.51/1.61 | ~ (v3 = 0) & not_killed_by(v2, v0) = v3)) % 5.51/1.61 | (10) ! [v0: $i] : ! [v1: $i] : ! [v2: int] : (v2 = 0 | ~ (alive(v0) = % 5.51/1.61 | 0) | ~ (not_killed_by(v0, v1) = v2) | ~ $i(v1) | ~ $i(v0)) % 5.51/1.61 | % 5.51/1.61 | GROUND_INST: instantiating (8) with all_3_6, all_3_0, simplifying with (3), % 5.51/1.61 | (5) gives: % 5.51/1.61 | (11) all_3_0 = 0 | ? [v0: int] : ( ~ (v0 = 0) & food(all_3_6) = v0) % 5.51/1.61 | % 5.51/1.61 | BETA: splitting (11) gives: % 5.51/1.61 | % 5.51/1.61 | Case 1: % 5.51/1.61 | | % 5.51/1.61 | | (12) all_3_0 = 0 % 5.51/1.61 | | % 5.51/1.61 | | REDUCE: (2), (12) imply: % 5.51/1.61 | | (13) $false % 5.51/1.62 | | % 5.51/1.62 | | CLOSE: (13) is inconsistent. % 5.51/1.62 | | % 5.51/1.62 | Case 2: % 5.51/1.62 | | % 5.51/1.62 | | (14) ? [v0: int] : ( ~ (v0 = 0) & food(all_3_6) = v0) % 5.51/1.62 | | % 5.51/1.62 | | DELTA: instantiating (14) with fresh symbol all_16_0 gives: % 5.51/1.62 | | (15) ~ (all_16_0 = 0) & food(all_3_6) = all_16_0 % 5.51/1.62 | | % 5.51/1.62 | | ALPHA: (15) implies: % 5.51/1.62 | | (16) ~ (all_16_0 = 0) % 5.51/1.62 | | (17) food(all_3_6) = all_16_0 % 5.51/1.62 | | % 5.51/1.62 | | GROUND_INST: instantiating (9) with all_3_6, all_16_0, all_3_4, simplifying % 5.51/1.62 | | with (3), (4), (6), (17) gives: % 5.51/1.62 | | (18) all_16_0 = 0 | ? [v0: int] : ( ~ (v0 = 0) & not_killed_by(all_3_4, % 5.51/1.62 | | all_3_6) = v0) % 5.51/1.62 | | % 5.51/1.62 | | BETA: splitting (18) gives: % 5.51/1.62 | | % 5.51/1.62 | | Case 1: % 5.51/1.62 | | | % 5.51/1.62 | | | (19) all_16_0 = 0 % 5.51/1.62 | | | % 5.51/1.62 | | | REDUCE: (16), (19) imply: % 5.51/1.62 | | | (20) $false % 5.51/1.62 | | | % 5.51/1.62 | | | CLOSE: (20) is inconsistent. % 5.51/1.62 | | | % 5.51/1.62 | | Case 2: % 5.51/1.62 | | | % 5.51/1.62 | | | (21) ? [v0: int] : ( ~ (v0 = 0) & not_killed_by(all_3_4, all_3_6) = % 5.51/1.62 | | | v0) % 5.51/1.62 | | | % 5.51/1.62 | | | DELTA: instantiating (21) with fresh symbol all_31_0 gives: % 5.51/1.62 | | | (22) ~ (all_31_0 = 0) & not_killed_by(all_3_4, all_3_6) = all_31_0 % 5.51/1.62 | | | % 5.51/1.62 | | | ALPHA: (22) implies: % 5.51/1.62 | | | (23) ~ (all_31_0 = 0) % 5.51/1.62 | | | (24) not_killed_by(all_3_4, all_3_6) = all_31_0 % 5.51/1.62 | | | % 5.51/1.62 | | | GROUND_INST: instantiating (10) with all_3_4, all_3_6, all_31_0, % 5.51/1.62 | | | simplifying with (3), (4), (7), (24) gives: % 5.51/1.62 | | | (25) all_31_0 = 0 % 5.51/1.62 | | | % 5.51/1.63 | | | REDUCE: (23), (25) imply: % 5.51/1.63 | | | (26) $false % 5.51/1.63 | | | % 5.51/1.63 | | | CLOSE: (26) is inconsistent. % 5.51/1.63 | | | % 5.51/1.63 | | End of split % 5.51/1.63 | | % 5.51/1.63 | End of split % 5.51/1.63 | % 5.51/1.63 End of proof % 5.73/1.63 % SZS output end Proof for theBenchmark % 5.73/1.63 % 5.73/1.63 1040ms %------------------------------------------------------------------------------