java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/TreeAutomizer.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/nest-if4.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 17:38:24,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 17:38:24,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 17:38:24,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 17:38:24,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 17:38:24,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 17:38:24,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 17:38:24,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 17:38:24,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 17:38:24,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 17:38:24,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 17:38:24,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 17:38:24,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 17:38:24,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 17:38:24,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 17:38:24,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 17:38:24,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 17:38:24,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 17:38:24,487 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 17:38:24,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 17:38:24,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 17:38:24,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-23 17:38:24,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-23 17:38:24,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-23 17:38:24,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-23 17:38:24,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-23 17:38:24,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-23 17:38:24,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-23 17:38:24,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-23 17:38:24,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 17:38:24,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 17:38:24,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 17:38:24,507 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 17:38:24,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 17:38:24,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 17:38:24,509 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 17:38:24,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 17:38:24,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 17:38:24,518 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 17:38:24,519 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 17:38:24,519 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 17:38:24,520 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 17:38:24,520 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 17:38:24,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 17:38:24,595 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 17:38:24,602 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 17:38:24,604 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 17:38:24,604 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 17:38:24,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/nest-if4.c.smt2 [2018-06-23 17:38:24,606 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 17:38:24,696 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nest-if4.c.smt2 unknown [2018-06-23 17:38:24,902 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nest-if4.c.smt2 [2018-06-23 17:38:24,907 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 17:38:24,912 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 17:38:24,913 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 17:38:24,913 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 17:38:24,916 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 17:38:24,917 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 05:38:24" (1/1) ... Received shutdown request... [2018-06-23 17:39:18,106 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_2_Bool)) (.cse10 (not c_hhv_state_1_Bool)) (.cse8 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse9 (not c_hhv_state_0_Bool))) (let ((.cse0 (and .cse1 .cse10 .cse8 .cse2 .cse9))) (or (let ((.cse6 (let ((.cse13 (<= 1 c_hhv_state_8_Int))) (and .cse10 .cse8 c_hhv_state_3_Bool (=> .cse1 (and (=> .cse1 (and .cse10 .cse8 c_hhv_state_3_Bool .cse9)) .cse13)) .cse9 .cse13))) (.cse4 (<= c_hhv_state_5_Int c_hhv_state_6_Int))) (let ((.cse3 (or (=> .cse1 (or .cse6 (let ((.cse12 (and .cse10 c_hhv_state_4_Bool .cse9))) (let ((.cse11 (or .cse12 (and .cse10 c_hhv_state_0_Bool c_hhv_state_4_Bool)))) (and (=> .cse1 (and .cse10 .cse2 .cse11 (=> .cse1 (and .cse10 .cse2 (or (and .cse2 .cse4 .cse11) .cse12) .cse11)))) .cse2 (=> .cse1 (and .cse10 .cse2 .cse11))))))) .cse0)) (.cse5 (=> c_hhv_state_2_Bool (and .cse8 c_hhv_state_3_Bool c_hhv_state_1_Bool .cse9)))) (let ((.cse7 (or .cse0 (and .cse3 (=> c_hhv_state_2_Bool .cse5))))) (and (or .cse0 (and .cse1 .cse2 .cse3) (and (or .cse0 (and (=> c_hhv_state_2_Bool (and .cse4 .cse5)) (=> .cse1 .cse6))) .cse7)) .cse7)))) .cse0))) is different from false [2018-06-23 17:39:18,107 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse1 (not c_hhv_state_2_Bool)) (.cse10 (not c_hhv_state_1_Bool)) (.cse8 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse9 (not c_hhv_state_0_Bool))) (let ((.cse0 (and .cse1 .cse10 .cse8 .cse2 .cse9))) (or (let ((.cse6 (let ((.cse13 (<= 1 c_hhv_state_8_Int))) (and .cse10 .cse8 c_hhv_state_3_Bool (=> .cse1 (and (=> .cse1 (and .cse10 .cse8 c_hhv_state_3_Bool .cse9)) .cse13)) .cse9 .cse13))) (.cse4 (<= c_hhv_state_5_Int c_hhv_state_6_Int))) (let ((.cse3 (or (=> .cse1 (or .cse6 (let ((.cse12 (and .cse10 c_hhv_state_4_Bool .cse9))) (let ((.cse11 (or .cse12 (and .cse10 c_hhv_state_0_Bool c_hhv_state_4_Bool)))) (and (=> .cse1 (and .cse10 .cse2 .cse11 (=> .cse1 (and .cse10 .cse2 (or (and .cse2 .cse4 .cse11) .cse12) .cse11)))) .cse2 (=> .cse1 (and .cse10 .cse2 .cse11))))))) .cse0)) (.cse5 (=> c_hhv_state_2_Bool (and .cse8 c_hhv_state_3_Bool c_hhv_state_1_Bool .cse9)))) (let ((.cse7 (or .cse0 (and .cse3 (=> c_hhv_state_2_Bool .cse5))))) (and (or .cse0 (and .cse1 .cse2 .cse3) (and (or .cse0 (and (=> c_hhv_state_2_Bool (and .cse4 .cse5)) (=> .cse1 .cse6))) .cse7)) .cse7)))) .cse0))) is different from true [2018-06-23 17:39:18,112 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse3 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool))) (let ((.cse6 (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse3 .cse1 (not c_hhv_state_0_Bool)))) (or (let ((.cse9 (and .cse3 c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool))) (let ((.cse8 (=> c_hhv_state_3_Bool .cse9))) (let ((.cse4 (<= c_hhv_state_8_Int c_hhv_state_6_Int)) (.cse2 (or (and .cse8 (=> .cse1 (and .cse3 c_hhv_state_0_Bool (<= 1 c_hhv_state_8_Int) c_hhv_state_2_Bool))) .cse6)) (.cse5 (=> .cse1 .cse9))) (let ((.cse7 (or (and (=> c_hhv_state_3_Bool (and .cse3 .cse4 c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool)) .cse2 .cse5) .cse6))) (let ((.cse0 (or (and .cse8 .cse5 .cse7) .cse6))) (and .cse0 (or (and .cse0 (or (=> .cse1 (and .cse2 .cse3 .cse4 c_hhv_state_0_Bool c_hhv_state_1_Bool .cse5 c_hhv_state_2_Bool)) .cse6) (=> c_hhv_state_3_Bool (and .cse3 c_hhv_state_0_Bool c_hhv_state_1_Bool .cse7 c_hhv_state_2_Bool))) .cse6))))))) .cse6))) is different from false [2018-06-23 17:39:18,113 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse3 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool))) (let ((.cse6 (and (not c_hhv_state_2_Bool) (not c_hhv_state_1_Bool) .cse3 .cse1 (not c_hhv_state_0_Bool)))) (or (let ((.cse9 (and .cse3 c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool))) (let ((.cse8 (=> c_hhv_state_3_Bool .cse9))) (let ((.cse4 (<= c_hhv_state_8_Int c_hhv_state_6_Int)) (.cse2 (or (and .cse8 (=> .cse1 (and .cse3 c_hhv_state_0_Bool (<= 1 c_hhv_state_8_Int) c_hhv_state_2_Bool))) .cse6)) (.cse5 (=> .cse1 .cse9))) (let ((.cse7 (or (and (=> c_hhv_state_3_Bool (and .cse3 .cse4 c_hhv_state_0_Bool c_hhv_state_1_Bool c_hhv_state_2_Bool)) .cse2 .cse5) .cse6))) (let ((.cse0 (or (and .cse8 .cse5 .cse7) .cse6))) (and .cse0 (or (and .cse0 (or (=> .cse1 (and .cse2 .cse3 .cse4 c_hhv_state_0_Bool c_hhv_state_1_Bool .cse5 c_hhv_state_2_Bool)) .cse6) (=> c_hhv_state_3_Bool (and .cse3 c_hhv_state_0_Bool c_hhv_state_1_Bool .cse7 c_hhv_state_2_Bool))) .cse6))))))) .cse6))) is different from true [2018-06-23 17:39:18,116 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse2 (not c_hhv_state_1_Bool)) (.cse3 (not c_hhv_state_4_Bool)) (.cse5 (not c_hhv_state_3_Bool))) (let ((.cse0 (and (not c_hhv_state_2_Bool) .cse2 .cse3 .cse5 (not c_hhv_state_0_Bool)))) (or .cse0 (let ((.cse1 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool c_hhv_state_2_Bool)) (.cse7 (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool c_hhv_state_2_Bool))) (let ((.cse4 (or (let ((.cse10 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool))) (and (or (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool) .cse10) (or (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool (<= 1 c_hhv_state_6_Int)) .cse10) c_hhv_state_2_Bool)) .cse0)) (.cse6 (or .cse1 .cse7))) (let ((.cse8 (or (and .cse4 .cse6) .cse0))) (let ((.cse9 (or (and .cse8 .cse6) .cse0))) (and (or (and (or .cse1 (and .cse2 .cse3 .cse4 .cse5 c_hhv_state_0_Bool .cse6 c_hhv_state_2_Bool) .cse0) (or .cse7 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool .cse8 c_hhv_state_2_Bool)) .cse9) .cse0) .cse9)))))))) is different from false [2018-06-23 17:39:18,116 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse2 (not c_hhv_state_1_Bool)) (.cse3 (not c_hhv_state_4_Bool)) (.cse5 (not c_hhv_state_3_Bool))) (let ((.cse0 (and (not c_hhv_state_2_Bool) .cse2 .cse3 .cse5 (not c_hhv_state_0_Bool)))) (or .cse0 (let ((.cse1 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool c_hhv_state_2_Bool)) (.cse7 (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool c_hhv_state_2_Bool))) (let ((.cse4 (or (let ((.cse10 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool))) (and (or (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool) .cse10) (or (and .cse2 .cse3 .cse5 c_hhv_state_0_Bool (<= 1 c_hhv_state_6_Int)) .cse10) c_hhv_state_2_Bool)) .cse0)) (.cse6 (or .cse1 .cse7))) (let ((.cse8 (or (and .cse4 .cse6) .cse0))) (let ((.cse9 (or (and .cse8 .cse6) .cse0))) (and (or (and (or .cse1 (and .cse2 .cse3 .cse4 .cse5 c_hhv_state_0_Bool .cse6 c_hhv_state_2_Bool) .cse0) (or .cse7 (and .cse2 .cse3 c_hhv_state_3_Bool c_hhv_state_0_Bool .cse8 c_hhv_state_2_Bool)) .cse9) .cse0) .cse9)))))))) is different from true [2018-06-23 17:39:18,118 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse6 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (let ((.cse5 (and .cse6 .cse2 c_hhv_state_4_Bool .cse3))) (let ((.cse4 (or (and (or (and .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool (<= 1 c_hhv_state_6_Int)) .cse5) .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool) .cse5))) (let ((.cse0 (or (and .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool .cse4) .cse5))) (and .cse0 (or (and .cse0 .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool .cse4) .cse5) c_hhv_state_2_Bool)))) (and (not c_hhv_state_2_Bool) .cse6 .cse1 .cse2 .cse3))) is different from false [2018-06-23 17:39:18,119 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse6 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (let ((.cse5 (and .cse6 .cse2 c_hhv_state_4_Bool .cse3))) (let ((.cse4 (or (and (or (and .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool (<= 1 c_hhv_state_6_Int)) .cse5) .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool) .cse5))) (let ((.cse0 (or (and .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool .cse4) .cse5))) (and .cse0 (or (and .cse0 .cse1 .cse2 c_hhv_state_1_Bool .cse3 c_hhv_state_2_Bool .cse4) .cse5) c_hhv_state_2_Bool)))) (and (not c_hhv_state_2_Bool) .cse6 .cse1 .cse2 .cse3))) is different from true [2018-06-23 17:39:18,120 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 .cse2 .cse3 c_hhv_state_2_Bool (<= 1 c_hhv_state_6_Int)) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from false [2018-06-23 17:39:18,121 WARN L1032 $PredicateComparison]: unable to prove that (let ((.cse0 (not c_hhv_state_1_Bool)) (.cse1 (not c_hhv_state_4_Bool)) (.cse2 (not c_hhv_state_3_Bool)) (.cse3 (not c_hhv_state_0_Bool))) (or (and .cse0 .cse1 .cse2 .cse3 c_hhv_state_2_Bool (<= 1 c_hhv_state_6_Int)) (and (not c_hhv_state_2_Bool) .cse0 .cse1 .cse2 .cse3))) is different from true [2018-06-23 17:39:18,123 WARN L1010 $PredicateComparison]: unable to prove that (and (not c_hhv_state_2_Bool) (let ((.cse0 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool))) (or (and (not c_hhv_state_1_Bool) .cse0 .cse1 c_hhv_state_0_Bool) (and .cse0 .cse1 c_hhv_state_1_Bool c_hhv_state_0_Bool (<= 1 c_hhv_state_6_Int))))) is different from false [2018-06-23 17:39:18,123 WARN L1032 $PredicateComparison]: unable to prove that (and (not c_hhv_state_2_Bool) (let ((.cse0 (not c_hhv_state_4_Bool)) (.cse1 (not c_hhv_state_3_Bool))) (or (and (not c_hhv_state_1_Bool) .cse0 .cse1 c_hhv_state_0_Bool) (and .cse0 .cse1 c_hhv_state_1_Bool c_hhv_state_0_Bool (<= 1 c_hhv_state_6_Int))))) is different from true [2018-06-23 17:39:18,129 WARN L176 SmtUtils]: Removed 2 from assertion stack [2018-06-23 17:39:18,130 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer. Reason: Timeout or Toolchain cancelled by user [2018-06-23 17:39:18,133 INFO L168 Benchmark]: Toolchain (without parser) took 53225.48 ms. Allocated memory was 307.8 MB in the beginning and 1.2 GB in the end (delta: 915.4 MB). Free memory was 264.1 MB in the beginning and 1.0 GB in the end (delta: -748.7 MB). Peak memory consumption was 166.7 MB. Max. memory is 3.6 GB. [2018-06-23 17:39:18,136 INFO L168 Benchmark]: SmtParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 274.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 17:39:18,137 INFO L168 Benchmark]: TreeAutomizer took 53218.90 ms. Allocated memory was 307.8 MB in the beginning and 1.2 GB in the end (delta: 915.4 MB). Free memory was 264.1 MB in the beginning and 1.0 GB in the end (delta: -748.7 MB). Peak memory consumption was 166.7 MB. Max. memory is 3.6 GB. [2018-06-23 17:39:18,140 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.18 ms. Allocated memory is still 307.8 MB. Free memory is still 274.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 53218.90 ms. Allocated memory was 307.8 MB in the beginning and 1.2 GB in the end (delta: 915.4 MB). Free memory was 264.1 MB in the beginning and 1.0 GB in the end (delta: -748.7 MB). Peak memory consumption was 166.7 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 16. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nest-if4.c.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_17-39-18-150.csv Completed graceful shutdown