java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:21:09,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:21:09,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:21:09,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:21:09,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:21:09,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:21:09,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:21:09,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:21:09,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:21:09,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:21:09,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:21:09,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:21:09,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:21:09,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:21:09,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:21:09,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:21:09,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:21:09,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:21:09,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:21:09,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:21:09,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:21:09,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:21:09,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:21:09,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:21:09,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:21:09,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:21:09,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:21:09,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:21:09,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:21:09,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:21:09,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:21:09,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:21:09,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:21:09,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:21:09,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:21:09,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:21:09,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:21:09,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:21:09,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:21:09,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:21:09,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:21:09,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:21:09,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:21:09,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:21:09,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:21:09,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:21:09,145 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:21:09,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:21:09,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:21:09,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:21:09,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:21:09,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:21:09,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:21:09,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:21:09,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:21:09,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:21:09,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:21:09,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:21:09,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:21:09,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:21:09,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:21:09,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:21:09,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:21:09,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:21:09,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:21:09,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:21:09,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:21:09,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:21:09,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:21:09,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:21:09,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:21:09,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:21:09,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:21:09,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:21:09,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:21:09,487 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:21:09,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-10-07 14:21:09,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2223ac47/e1ef7ecc6e8541d38fd1f127b0ba0d30/FLAGa8165ab4b [2019-10-07 14:21:10,152 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:21:10,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-10-07 14:21:10,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2223ac47/e1ef7ecc6e8541d38fd1f127b0ba0d30/FLAGa8165ab4b [2019-10-07 14:21:10,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2223ac47/e1ef7ecc6e8541d38fd1f127b0ba0d30 [2019-10-07 14:21:10,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:21:10,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:21:10,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:21:10,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:21:10,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:21:10,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:21:10" (1/1) ... [2019-10-07 14:21:10,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c381ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:10, skipping insertion in model container [2019-10-07 14:21:10,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:21:10" (1/1) ... [2019-10-07 14:21:10,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:21:10,513 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:21:11,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:21:11,362 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:21:11,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:21:11,685 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:21:11,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11 WrapperNode [2019-10-07 14:21:11,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:21:11,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:21:11,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:21:11,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:21:11,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... [2019-10-07 14:21:11,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:21:11,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:21:11,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:21:11,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:21:11,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:21:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:21:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:21:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:21:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:21:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:21:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:21:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:21:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:21:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:21:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:21:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:21:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:21:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:21:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:21:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:21:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:21:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:21:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:21:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:21:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:21:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:21:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:21:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:21:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:21:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:21:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:21:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:21:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:21:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:21:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:21:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:21:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:21:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:21:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:21:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:21:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:21:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:21:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:21:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:21:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:21:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:21:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:21:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:21:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:21:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:21:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:21:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:21:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:21:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:21:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:21:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:21:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:21:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:21:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:21:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:21:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:21:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:21:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:21:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-07 14:21:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:21:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-07 14:21:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:21:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:21:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:21:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:21:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:21:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:21:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:21:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:21:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:21:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:21:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:21:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:21:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:21:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:21:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:21:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:21:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:21:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:21:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:21:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:21:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:21:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:21:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:21:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:21:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:21:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:21:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:21:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:21:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:21:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:21:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:21:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:21:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:21:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:21:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:21:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:21:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:21:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:21:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:21:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:21:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:21:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:21:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:21:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:21:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:21:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:21:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:21:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:21:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:21:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:21:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:21:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:21:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:21:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:21:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:21:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:21:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:21:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:21:17,342 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:21:17,343 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:21:17,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:21:17 BoogieIcfgContainer [2019-10-07 14:21:17,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:21:17,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:21:17,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:21:17,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:21:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:21:10" (1/3) ... [2019-10-07 14:21:17,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f73192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:21:17, skipping insertion in model container [2019-10-07 14:21:17,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:21:11" (2/3) ... [2019-10-07 14:21:17,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f73192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:21:17, skipping insertion in model container [2019-10-07 14:21:17,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:21:17" (3/3) ... [2019-10-07 14:21:17,354 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product30.cil.c [2019-10-07 14:21:17,366 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:21:17,375 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:21:17,389 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:21:17,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:21:17,428 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:21:17,428 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:21:17,428 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:21:17,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:21:17,429 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:21:17,429 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:21:17,429 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:21:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states. [2019-10-07 14:21:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 14:21:17,496 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:17,497 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:17,499 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:17,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:17,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1476435003, now seen corresponding path program 1 times [2019-10-07 14:21:17,516 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:17,517 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:17,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:17,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:18,175 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:18,176 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:18,176 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:21:18,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:21:18,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:21:18,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:21:18,197 INFO L87 Difference]: Start difference. First operand 589 states. Second operand 2 states. [2019-10-07 14:21:18,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:18,267 INFO L93 Difference]: Finished difference Result 486 states and 720 transitions. [2019-10-07 14:21:18,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:21:18,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 74 [2019-10-07 14:21:18,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:18,295 INFO L225 Difference]: With dead ends: 486 [2019-10-07 14:21:18,296 INFO L226 Difference]: Without dead ends: 452 [2019-10-07 14:21:18,306 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:21:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-07 14:21:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-07 14:21:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-07 14:21:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 669 transitions. [2019-10-07 14:21:18,402 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 669 transitions. Word has length 74 [2019-10-07 14:21:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:18,404 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 669 transitions. [2019-10-07 14:21:18,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:21:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 669 transitions. [2019-10-07 14:21:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 14:21:18,409 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:18,409 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:18,410 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:18,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:18,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1507814418, now seen corresponding path program 1 times [2019-10-07 14:21:18,410 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:18,411 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:18,411 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:18,411 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:18,760 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:18,761 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:18,761 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:21:18,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:21:18,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:21:18,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:21:18,764 INFO L87 Difference]: Start difference. First operand 452 states and 669 transitions. Second operand 9 states. [2019-10-07 14:21:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:24,757 INFO L93 Difference]: Finished difference Result 1239 states and 1873 transitions. [2019-10-07 14:21:24,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 14:21:24,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-10-07 14:21:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:24,776 INFO L225 Difference]: With dead ends: 1239 [2019-10-07 14:21:24,776 INFO L226 Difference]: Without dead ends: 829 [2019-10-07 14:21:24,795 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2019-10-07 14:21:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2019-10-07 14:21:24,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 798. [2019-10-07 14:21:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-07 14:21:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1167 transitions. [2019-10-07 14:21:24,928 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1167 transitions. Word has length 75 [2019-10-07 14:21:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:24,930 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 1167 transitions. [2019-10-07 14:21:24,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:21:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1167 transitions. [2019-10-07 14:21:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:21:24,944 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:24,944 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:24,944 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:24,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:24,945 INFO L82 PathProgramCache]: Analyzing trace with hash -801764644, now seen corresponding path program 1 times [2019-10-07 14:21:24,945 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:24,945 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:24,945 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:24,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:24,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 14:21:25,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:25,239 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:25,239 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:21:25,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:21:25,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:21:25,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:21:25,242 INFO L87 Difference]: Start difference. First operand 798 states and 1167 transitions. Second operand 5 states. [2019-10-07 14:21:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:27,905 INFO L93 Difference]: Finished difference Result 2384 states and 3573 transitions. [2019-10-07 14:21:27,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 14:21:27,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-07 14:21:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:27,928 INFO L225 Difference]: With dead ends: 2384 [2019-10-07 14:21:27,928 INFO L226 Difference]: Without dead ends: 1629 [2019-10-07 14:21:27,933 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:21:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2019-10-07 14:21:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1533. [2019-10-07 14:21:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-10-07 14:21:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2284 transitions. [2019-10-07 14:21:28,080 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2284 transitions. Word has length 77 [2019-10-07 14:21:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:28,081 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 2284 transitions. [2019-10-07 14:21:28,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:21:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2284 transitions. [2019-10-07 14:21:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:21:28,084 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:28,085 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:28,085 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:28,086 INFO L82 PathProgramCache]: Analyzing trace with hash -102609970, now seen corresponding path program 1 times [2019-10-07 14:21:28,086 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:28,086 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:28,086 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:28,086 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:28,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:28,268 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:28,269 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:28,269 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:21:28,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:21:28,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:21:28,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:21:28,273 INFO L87 Difference]: Start difference. First operand 1533 states and 2284 transitions. Second operand 4 states. [2019-10-07 14:21:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:30,251 INFO L93 Difference]: Finished difference Result 4518 states and 6837 transitions. [2019-10-07 14:21:30,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:21:30,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-10-07 14:21:30,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:30,277 INFO L225 Difference]: With dead ends: 4518 [2019-10-07 14:21:30,277 INFO L226 Difference]: Without dead ends: 3029 [2019-10-07 14:21:30,287 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:21:30,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2019-10-07 14:21:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2912. [2019-10-07 14:21:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2912 states. [2019-10-07 14:21:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4382 transitions. [2019-10-07 14:21:30,452 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4382 transitions. Word has length 77 [2019-10-07 14:21:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:30,452 INFO L462 AbstractCegarLoop]: Abstraction has 2912 states and 4382 transitions. [2019-10-07 14:21:30,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:21:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4382 transitions. [2019-10-07 14:21:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 14:21:30,454 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:30,454 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:30,455 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:30,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:30,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1112656436, now seen corresponding path program 1 times [2019-10-07 14:21:30,455 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:30,455 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:30,456 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:30,456 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:30,597 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:30,597 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:30,597 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:21:30,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:21:30,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:21:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:21:30,598 INFO L87 Difference]: Start difference. First operand 2912 states and 4382 transitions. Second operand 4 states. [2019-10-07 14:21:32,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:32,617 INFO L93 Difference]: Finished difference Result 8700 states and 13298 transitions. [2019-10-07 14:21:32,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:21:32,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2019-10-07 14:21:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:32,667 INFO L225 Difference]: With dead ends: 8700 [2019-10-07 14:21:32,667 INFO L226 Difference]: Without dead ends: 5833 [2019-10-07 14:21:32,686 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:21:32,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5833 states. [2019-10-07 14:21:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5833 to 5671. [2019-10-07 14:21:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5671 states. [2019-10-07 14:21:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 5671 states and 8616 transitions. [2019-10-07 14:21:33,007 INFO L78 Accepts]: Start accepts. Automaton has 5671 states and 8616 transitions. Word has length 78 [2019-10-07 14:21:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:33,008 INFO L462 AbstractCegarLoop]: Abstraction has 5671 states and 8616 transitions. [2019-10-07 14:21:33,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:21:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 8616 transitions. [2019-10-07 14:21:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 14:21:33,017 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:33,017 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:33,017 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:33,019 INFO L82 PathProgramCache]: Analyzing trace with hash 131213264, now seen corresponding path program 1 times [2019-10-07 14:21:33,023 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:33,023 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:33,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:33,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:33,288 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:33,288 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:33,288 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:21:33,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:21:33,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:21:33,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:21:33,289 INFO L87 Difference]: Start difference. First operand 5671 states and 8616 transitions. Second operand 4 states. [2019-10-07 14:21:35,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:35,430 INFO L93 Difference]: Finished difference Result 17079 states and 26487 transitions. [2019-10-07 14:21:35,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:21:35,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2019-10-07 14:21:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:35,502 INFO L225 Difference]: With dead ends: 17079 [2019-10-07 14:21:35,502 INFO L226 Difference]: Without dead ends: 11453 [2019-10-07 14:21:35,533 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:21:35,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11453 states. [2019-10-07 14:21:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11453 to 11202. [2019-10-07 14:21:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11202 states. [2019-10-07 14:21:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 17242 transitions. [2019-10-07 14:21:36,187 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 17242 transitions. Word has length 79 [2019-10-07 14:21:36,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:36,189 INFO L462 AbstractCegarLoop]: Abstraction has 11202 states and 17242 transitions. [2019-10-07 14:21:36,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:21:36,190 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 17242 transitions. [2019-10-07 14:21:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 14:21:36,192 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:36,193 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:36,193 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:36,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:36,194 INFO L82 PathProgramCache]: Analyzing trace with hash -228750090, now seen corresponding path program 1 times [2019-10-07 14:21:36,194 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:36,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:36,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:36,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:21:36,384 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:36,384 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:21:36,384 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:21:36,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:21:36,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:21:36,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:21:36,389 INFO L87 Difference]: Start difference. First operand 11202 states and 17242 transitions. Second operand 4 states. [2019-10-07 14:21:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:21:39,279 INFO L93 Difference]: Finished difference Result 33890 states and 53811 transitions. [2019-10-07 14:21:39,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:21:39,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-10-07 14:21:39,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:21:39,491 INFO L225 Difference]: With dead ends: 33890 [2019-10-07 14:21:39,491 INFO L226 Difference]: Without dead ends: 22721 [2019-10-07 14:21:39,570 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:21:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22721 states. [2019-10-07 14:21:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22721 to 22199. [2019-10-07 14:21:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22199 states. [2019-10-07 14:21:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22199 states to 22199 states and 34710 transitions. [2019-10-07 14:21:42,550 INFO L78 Accepts]: Start accepts. Automaton has 22199 states and 34710 transitions. Word has length 80 [2019-10-07 14:21:42,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:21:42,551 INFO L462 AbstractCegarLoop]: Abstraction has 22199 states and 34710 transitions. [2019-10-07 14:21:42,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:21:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22199 states and 34710 transitions. [2019-10-07 14:21:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-07 14:21:42,566 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:21:42,567 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:21:42,567 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:21:42,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:21:42,568 INFO L82 PathProgramCache]: Analyzing trace with hash 454915604, now seen corresponding path program 1 times [2019-10-07 14:21:42,568 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:21:42,569 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:42,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:42,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:21:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:21:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 14:21:42,906 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:21:42,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:21:42,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:21:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:21:43,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 4044 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:21:43,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:21:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-10-07 14:21:44,076 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:21:44,329 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 14:21:44,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:21:44,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:21:45,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:21:45,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:21:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-10-07 14:21:45,131 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:21:45,183 INFO L162 IcfgInterpreter]: Started Sifa with 185 locations of interest [2019-10-07 14:21:45,183 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:21:45,192 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:21:45,204 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:21:45,204 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:22:38,797 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 775 [2019-10-07 14:22:44,546 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:22:44,964 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:22:45,461 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:22:45,697 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:22:46,281 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:46,970 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:47,453 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:48,737 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:49,721 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 1062 DAG size of output: 1060 [2019-10-07 14:22:50,226 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:50,792 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:51,278 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:51,788 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:52,318 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:22:52,341 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 397 for LOIs [2019-10-07 14:22:52,584 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:22:52,702 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:22:53,066 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2019-10-07 14:22:53,067 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1114 for LOIs [2019-10-07 14:22:53,549 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:54,019 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:54,149 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:22:55,013 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:22:55,507 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:55,992 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:56,125 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:22:56,954 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:22:57,477 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:57,958 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:22:58,090 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:22:58,957 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:22:59,966 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1114 [2019-10-07 14:23:00,445 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:00,666 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:01,683 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:02,174 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:02,655 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:02,783 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:03,632 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:04,113 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:04,604 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:04,779 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:05,603 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:06,081 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:06,564 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:06,694 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:07,519 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:08,006 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:08,489 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:08,619 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:09,418 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:09,903 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:10,398 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:10,530 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:11,331 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:11,840 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:12,321 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:12,449 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:13,245 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:13,732 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:14,210 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:14,334 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:15,164 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:15,638 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:16,128 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:16,271 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:17,068 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:17,555 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:18,032 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:23:18,162 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:18,963 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:19,836 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:20,647 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:20,784 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:21,598 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:23,098 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:23:23,911 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:24,051 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:24,849 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:25,693 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:26,517 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:26,642 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:27,470 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:28,323 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:29,126 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:29,257 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:30,079 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:31,259 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:32,082 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:32,225 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:33,045 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:33,862 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:34,668 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:34,796 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:35,641 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:36,468 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:23:37,302 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:23:37,434 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:38,238 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:39,074 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:39,873 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:40,012 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:40,848 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:42,073 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:42,886 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:43,029 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:43,854 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:45,276 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:23:46,119 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:46,281 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:47,088 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:47,919 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:48,739 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:48,867 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:23:49,703 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:23:51,248 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:23:52,075 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:52,208 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:53,045 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:54,560 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:23:55,370 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:55,506 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:56,329 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:57,129 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:57,958 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:58,089 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:23:58,882 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:23:59,730 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:00,547 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:00,688 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:01,516 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:02,325 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:03,156 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:03,290 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:04,102 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:04,937 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:05,765 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:05,897 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:06,732 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:08,098 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:24:08,936 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:24:09,073 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:09,904 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:11,397 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:24:12,211 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:12,350 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:13,163 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:24:14,684 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:15,476 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:15,613 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:16,412 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:17,935 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:18,751 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:18,887 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:19,704 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:20,510 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:21,312 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:21,441 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:22,281 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:23,883 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:24,702 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:24,835 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:25,628 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:27,115 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:27,909 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:28,044 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:28,860 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:30,339 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:31,165 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:31,297 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:32,124 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:33,671 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:34,491 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:34,641 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:35,461 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:36,264 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:37,081 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:37,208 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:38,029 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:38,854 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:39,681 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:39,818 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:40,650 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:41,543 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:42,394 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:42,528 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:43,366 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:44,200 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:45,049 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:45,178 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:46,009 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:47,729 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:24:48,548 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:24:48,680 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:49,480 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:50,879 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:24:51,678 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:51,818 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:24:52,627 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:24:54,174 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:54,987 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:55,124 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:55,941 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:57,372 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:24:58,180 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:58,329 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:24:59,131 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:24:59,932 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:00,761 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:00,885 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:01,701 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:02,552 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:03,357 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:03,491 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:04,298 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:05,150 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:05,956 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:06,093 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:06,912 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:07,730 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:08,557 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:08,685 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:09,517 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:10,895 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1288 [2019-10-07 14:25:11,725 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:11,858 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:12,691 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:14,112 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:25:15,085 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:15,218 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:16,050 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:17,437 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:25:18,280 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:18,417 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:19,227 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:20,644 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:25:21,451 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:21,711 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:22,569 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:24,100 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:25:24,913 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:25,048 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:25,841 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:27,316 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:25:28,123 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:28,268 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:29,069 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:29,897 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:30,715 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:30,847 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:31,669 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:32,524 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:33,340 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:33,475 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:34,269 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:35,723 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:25:36,517 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:25:36,666 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:37,488 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:39,000 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:25:39,833 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:25:39,962 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:40,801 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:42,164 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:25:42,983 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:25:43,133 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:43,977 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:45,491 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:25:46,314 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:46,446 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:47,282 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:48,798 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:25:49,600 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:49,734 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:50,566 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:51,372 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:52,186 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:52,318 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:25:53,131 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:25:54,570 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:25:55,390 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:25:55,538 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:56,368 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:57,785 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:25:58,635 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:25:58,774 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:25:59,607 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:59,614 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1132 for LOIs [2019-10-07 14:26:00,168 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 14:26:00,684 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 14:26:00,816 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:01,647 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:02,230 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:02,768 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:02,895 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:03,724 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:04,717 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1142 [2019-10-07 14:26:05,262 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:05,392 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:06,206 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:06,775 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:07,302 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:07,432 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:08,253 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:08,798 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:09,344 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:09,474 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:10,299 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:10,832 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:11,370 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:26:11,499 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:26:12,303 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:26:12,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:26:12,583 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:26:12,589 INFO L168 Benchmark]: Toolchain (without parser) took 302179.29 ms. Allocated memory was 138.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 101.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,589 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.38 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 142.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,590 INFO L168 Benchmark]: Boogie Preprocessor took 234.85 ms. Allocated memory is still 205.5 MB. Free memory was 142.1 MB in the beginning and 132.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,590 INFO L168 Benchmark]: RCFGBuilder took 5423.72 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 132.9 MB in the beginning and 168.6 MB in the end (delta: -35.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,591 INFO L168 Benchmark]: TraceAbstraction took 295241.56 ms. Allocated memory was 289.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 168.6 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 960.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:26:12,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1270.38 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.6 MB in the beginning and 142.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 234.85 ms. Allocated memory is still 205.5 MB. Free memory was 142.1 MB in the beginning and 132.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5423.72 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 132.9 MB in the beginning and 168.6 MB in the end (delta: -35.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 295241.56 ms. Allocated memory was 289.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 168.6 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 960.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...