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_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:06:18,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:06:18,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:06:18,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:06:18,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:06:18,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:06:18,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:06:18,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:06:18,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:06:18,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:06:18,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:06:18,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:06:18,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:06:18,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:06:18,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:06:18,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:06:18,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:06:18,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:06:18,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:06:18,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:06:18,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:06:18,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:06:18,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:06:18,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:06:18,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:06:18,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:06:18,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:06:18,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:06:18,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:06:18,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:06:18,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:06:18,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:06:18,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:06:18,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:06:18,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:06:18,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:06:18,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:06:18,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:06:18,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:06:18,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:06:18,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:06:18,692 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 14:06:18,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:06:18,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:06:18,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:06:18,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:06:18,729 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:06:18,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:06:18,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:06:18,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:06:18,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:06:18,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:06:18,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:06:18,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:06:18,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:06:18,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:06:18,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:06:18,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:06:18,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:06:18,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:06:18,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:06:18,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:06:18,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:06:18,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:06:18,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:06:18,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:06:18,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:06:18,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:06:18,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:06:18,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:06:18,739 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 14:06:19,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:06:19,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:06:19,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:06:19,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:06:19,069 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:06:19,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product19.cil.c [2019-10-07 14:06:19,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e38bfa9/ee18098268b6491ba0d65d59488fe625/FLAG5feedf7df [2019-10-07 14:06:19,725 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:06:19,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product19.cil.c [2019-10-07 14:06:19,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e38bfa9/ee18098268b6491ba0d65d59488fe625/FLAG5feedf7df [2019-10-07 14:06:19,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e38bfa9/ee18098268b6491ba0d65d59488fe625 [2019-10-07 14:06:19,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:06:19,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:06:19,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:06:19,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:06:19,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:06:19,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:06:19" (1/1) ... [2019-10-07 14:06:19,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:19, skipping insertion in model container [2019-10-07 14:06:19,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:06:19" (1/1) ... [2019-10-07 14:06:19,997 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:06:20,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:06:20,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:06:20,781 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:06:20,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:06:21,027 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:06:21,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21 WrapperNode [2019-10-07 14:06:21,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:06:21,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:06:21,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:06:21,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:06:21,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (1/1) ... [2019-10-07 14:06:21,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:06:21,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:06:21,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:06:21,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:06:21,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (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 14:06:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:06:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:06:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:06:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:06:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:06:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:06:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:06:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:06:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:06:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:06:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:06:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:06:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:06:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:06:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:06:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:06:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:06:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:06:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:06:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:06:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:06:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:06:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:06:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:06:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:06:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:06:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:06:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:06:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:06:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:06:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:06:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:06:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:06:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:06:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:06:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:06:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:06:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:06:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:06:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:06:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:06:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:06:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:06:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:06:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:06:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:06:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:06:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:06:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:06:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:06:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:06:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:06:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:06:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:06:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:06:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:06:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:06:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:06:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:06:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:06:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:06:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:06:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:06:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:06:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:06:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:06:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:06:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:06:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:06:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:06:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:06:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:06:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:06:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:06:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:06:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:06:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:06:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:06:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:06:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:06:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:06:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:06:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:06:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:06:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:06:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:06:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:06:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:06:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:06:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:06:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:06:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:06:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:06:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:06:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:06:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:06:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:06:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:06:26,222 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:06:26,222 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:06:26,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:06:26 BoogieIcfgContainer [2019-10-07 14:06:26,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:06:26,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:06:26,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:06:26,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:06:26,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:06:19" (1/3) ... [2019-10-07 14:06:26,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2930a8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:06:26, skipping insertion in model container [2019-10-07 14:06:26,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:21" (2/3) ... [2019-10-07 14:06:26,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2930a8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:06:26, skipping insertion in model container [2019-10-07 14:06:26,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:06:26" (3/3) ... [2019-10-07 14:06:26,234 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product19.cil.c [2019-10-07 14:06:26,244 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:06:26,254 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:06:26,265 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:06:26,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:06:26,298 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:06:26,298 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:06:26,298 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:06:26,298 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:06:26,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:06:26,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:06:26,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:06:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states. [2019-10-07 14:06:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:06:26,351 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:26,352 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 14:06:26,354 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:26,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:26,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1031946066, now seen corresponding path program 1 times [2019-10-07 14:06:26,370 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:26,370 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:26,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:26,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:06:27,217 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:27,218 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:27,218 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:06:27,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:06:27,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:06:27,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:06:27,240 INFO L87 Difference]: Start difference. First operand 570 states. Second operand 2 states. [2019-10-07 14:06:27,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:27,310 INFO L93 Difference]: Finished difference Result 479 states and 712 transitions. [2019-10-07 14:06:27,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:06:27,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 135 [2019-10-07 14:06:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:27,336 INFO L225 Difference]: With dead ends: 479 [2019-10-07 14:06:27,336 INFO L226 Difference]: Without dead ends: 445 [2019-10-07 14:06:27,341 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 14:06:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-07 14:06:27,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-10-07 14:06:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-07 14:06:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 661 transitions. [2019-10-07 14:06:27,485 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 661 transitions. Word has length 135 [2019-10-07 14:06:27,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:27,491 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 661 transitions. [2019-10-07 14:06:27,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:06:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 661 transitions. [2019-10-07 14:06:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:06:27,505 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:27,505 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 14:06:27,505 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:27,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1066639949, now seen corresponding path program 1 times [2019-10-07 14:06:27,507 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:27,507 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:27,507 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:27,507 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:06:27,999 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:27,999 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:27,999 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:06:28,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:06:28,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:06:28,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:06:28,006 INFO L87 Difference]: Start difference. First operand 445 states and 661 transitions. Second operand 7 states. [2019-10-07 14:06:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:31,926 INFO L93 Difference]: Finished difference Result 1240 states and 1894 transitions. [2019-10-07 14:06:31,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:06:31,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2019-10-07 14:06:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:31,937 INFO L225 Difference]: With dead ends: 1240 [2019-10-07 14:06:31,937 INFO L226 Difference]: Without dead ends: 848 [2019-10-07 14:06:31,944 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:06:31,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2019-10-07 14:06:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 823. [2019-10-07 14:06:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2019-10-07 14:06:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1252 transitions. [2019-10-07 14:06:32,002 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1252 transitions. Word has length 136 [2019-10-07 14:06:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:32,003 INFO L462 AbstractCegarLoop]: Abstraction has 823 states and 1252 transitions. [2019-10-07 14:06:32,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:06:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1252 transitions. [2019-10-07 14:06:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:06:32,007 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:32,007 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 14:06:32,008 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:32,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:32,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1466123957, now seen corresponding path program 1 times [2019-10-07 14:06:32,008 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:32,009 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:32,009 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:32,009 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:32,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:06:32,236 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:32,236 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:32,236 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:06:32,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:06:32,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:06:32,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:06:32,238 INFO L87 Difference]: Start difference. First operand 823 states and 1252 transitions. Second operand 6 states. [2019-10-07 14:06:32,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:32,805 INFO L93 Difference]: Finished difference Result 862 states and 1308 transitions. [2019-10-07 14:06:32,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:06:32,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 14:06:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:32,818 INFO L225 Difference]: With dead ends: 862 [2019-10-07 14:06:32,818 INFO L226 Difference]: Without dead ends: 845 [2019-10-07 14:06:32,820 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:06:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-07 14:06:32,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 827. [2019-10-07 14:06:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-07 14:06:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1256 transitions. [2019-10-07 14:06:32,900 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1256 transitions. Word has length 140 [2019-10-07 14:06:32,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:32,902 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1256 transitions. [2019-10-07 14:06:32,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:06:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1256 transitions. [2019-10-07 14:06:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:06:32,909 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:32,909 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 14:06:32,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1925718676, now seen corresponding path program 1 times [2019-10-07 14:06:32,910 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:32,910 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:32,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:32,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:06:33,259 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:33,259 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:33,259 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:06:33,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:06:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:06:33,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:06:33,261 INFO L87 Difference]: Start difference. First operand 827 states and 1256 transitions. Second operand 8 states. [2019-10-07 14:06:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:33,339 INFO L93 Difference]: Finished difference Result 848 states and 1282 transitions. [2019-10-07 14:06:33,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:06:33,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2019-10-07 14:06:33,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:33,347 INFO L225 Difference]: With dead ends: 848 [2019-10-07 14:06:33,347 INFO L226 Difference]: Without dead ends: 831 [2019-10-07 14:06:33,348 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:06:33,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2019-10-07 14:06:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 827. [2019-10-07 14:06:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-07 14:06:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1254 transitions. [2019-10-07 14:06:33,392 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1254 transitions. Word has length 145 [2019-10-07 14:06:33,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:33,395 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1254 transitions. [2019-10-07 14:06:33,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:06:33,395 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1254 transitions. [2019-10-07 14:06:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:06:33,399 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:33,400 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:06:33,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:33,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2019531158, now seen corresponding path program 1 times [2019-10-07 14:06:33,401 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:33,401 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:33,401 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:33,401 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:06:34,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:34,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:06:34,496 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 14:06:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:35,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 14:06:35,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:06:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:06:35,321 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:06:35,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:06:36,025 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:06:36,025 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [29] total 36 [2019-10-07 14:06:36,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:06:36,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:06:36,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1164, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 14:06:36,027 INFO L87 Difference]: Start difference. First operand 827 states and 1254 transitions. Second operand 9 states. [2019-10-07 14:06:36,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:36,126 INFO L93 Difference]: Finished difference Result 870 states and 1308 transitions. [2019-10-07 14:06:36,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:06:36,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2019-10-07 14:06:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:36,133 INFO L225 Difference]: With dead ends: 870 [2019-10-07 14:06:36,133 INFO L226 Difference]: Without dead ends: 853 [2019-10-07 14:06:36,135 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 331 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:06:36,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-10-07 14:06:36,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 839. [2019-10-07 14:06:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2019-10-07 14:06:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1266 transitions. [2019-10-07 14:06:36,178 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1266 transitions. Word has length 160 [2019-10-07 14:06:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:36,179 INFO L462 AbstractCegarLoop]: Abstraction has 839 states and 1266 transitions. [2019-10-07 14:06:36,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:06:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1266 transitions. [2019-10-07 14:06:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:06:36,183 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:36,184 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 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] [2019-10-07 14:06:36,393 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:06:36,397 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:36,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash 525391551, now seen corresponding path program 1 times [2019-10-07 14:06:36,398 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:36,398 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:36,398 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:36,398 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:06:37,132 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:37,132 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:06:37,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:06:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:37,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:06:37,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:06:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 14:06:38,462 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:06:38,939 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:39,309 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-10-07 14:06:40,059 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:40,450 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:06:40,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:40,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:41,291 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:41,655 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-10-07 14:06:42,357 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:42,848 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2019-10-07 14:06:42,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:42,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:43,389 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:43,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:43,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:44,184 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:44,778 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:06:45,348 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:45,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:45,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,463 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:46,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:46,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,451 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:47,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:47,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:47,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,310 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:06:48,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:48,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:48,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:48,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:06:48,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:06:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:06:48,560 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:06:48,592 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:06:48,592 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:06:48,600 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:06:48,608 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:06:48,609 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:07:29,078 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:07:33,917 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:07:34,308 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:07:34,677 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:07:34,945 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:07:35,606 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:36,147 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:36,637 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:37,221 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:38,174 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 1040 [2019-10-07 14:07:38,695 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:39,272 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:39,747 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:40,235 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:40,805 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:07:40,826 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 391 for LOIs [2019-10-07 14:07:41,062 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:07:41,173 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:07:41,539 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 14:07:41,540 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1090 for LOIs [2019-10-07 14:07:42,036 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:42,501 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:42,633 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:43,468 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:43,942 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:44,424 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:44,555 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:45,339 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:45,912 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:46,376 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:46,646 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:47,515 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:48,434 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1090 [2019-10-07 14:07:48,898 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:49,129 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:49,924 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:50,404 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:50,881 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:51,011 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:51,794 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:52,257 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:52,736 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:52,871 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:53,671 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:54,141 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:54,617 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:54,743 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:55,530 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:56,008 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:56,468 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:56,595 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:57,385 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:57,847 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:58,312 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:07:58,512 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:07:59,305 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:07:59,765 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:00,229 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:00,355 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:01,150 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:01,618 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:02,080 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:02,207 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:03,002 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:03,466 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:03,937 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:04,064 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:04,855 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:05,316 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:05,775 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:08:05,903 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:06,686 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:07,765 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:08,551 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:08,689 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:09,483 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:10,962 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:08:11,750 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:11,887 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:12,672 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:13,464 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:14,267 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:14,396 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:15,185 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:16,015 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:16,811 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:16,942 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:17,736 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:19,182 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:08:19,976 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:20,111 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:20,897 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:21,697 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:22,494 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:22,623 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:23,419 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:24,224 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:08:25,006 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:08:25,137 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:25,926 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:26,723 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:27,518 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:27,653 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:28,443 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:08:29,264 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:30,068 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:30,208 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:31,006 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:08:32,449 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:08:33,233 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:33,373 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:34,156 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:08:34,964 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:35,755 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:35,886 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:36,680 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:08:38,137 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:08:38,924 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:39,077 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:39,876 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:41,315 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:08:42,102 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:42,242 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:43,029 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:43,823 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:44,613 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:44,753 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:08:45,540 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:08:46,998 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:08:47,795 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:47,934 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:48,732 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:50,183 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:08:50,977 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:51,116 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:51,912 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:52,719 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:53,519 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:53,648 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:54,445 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:55,800 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:08:56,592 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:08:56,743 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:08:57,540 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:58,952 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:08:59,732 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:08:59,865 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:00,658 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:09:02,088 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:02,873 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:03,006 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:03,785 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:05,426 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:06,210 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:06,339 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:07,119 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:07,895 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:08,675 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:08,801 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:09,568 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:11,005 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:11,777 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:11,911 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:12,693 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:14,095 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:14,868 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:14,999 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:15,779 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:16,562 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:17,346 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:17,471 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:18,247 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:19,698 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:09:20,496 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:20,644 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:21,431 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:22,862 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:09:23,650 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:23,783 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:24,568 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:25,354 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:26,156 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:26,284 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:27,073 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:28,411 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1264 [2019-10-07 14:09:29,194 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:29,329 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:30,108 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:31,534 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:32,312 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:32,442 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:33,216 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:34,630 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:09:35,416 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:35,546 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:36,333 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:37,120 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:37,901 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:38,030 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:09:38,812 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:09:40,249 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:09:41,047 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:41,181 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:41,973 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:43,399 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:09:44,186 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:44,321 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:45,101 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:45,892 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:46,692 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:46,820 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:47,604 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:49,035 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:09:49,820 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:09:49,970 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:50,761 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:52,187 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:09:52,975 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:53,113 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:53,898 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:09:55,354 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:09:56,141 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:56,276 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:09:57,074 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:09:58,507 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:09:59,291 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:09:59,423 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:00,210 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:10:01,643 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:02,476 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:02,608 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:03,388 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:04,788 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:05,556 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:05,688 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:06,466 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:07,252 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:08,029 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:08,153 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:08,930 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:10,377 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:10:11,152 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:11,284 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:12,067 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:13,492 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:10:14,275 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:14,407 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:15,182 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:16,497 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:10:17,276 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:17,401 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:18,182 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:19,579 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:10:20,354 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:20,493 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:21,284 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:22,698 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:10:23,486 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:23,616 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:24,397 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:10:25,811 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:26,598 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:26,728 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:27,505 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:28,898 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:29,668 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:29,809 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:30,587 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:32,418 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:33,184 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:33,319 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:34,091 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:35,478 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:10:36,257 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:36,384 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:37,145 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:37,913 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:38,684 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:38,809 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:39,578 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:40,915 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:10:41,690 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:41,822 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:42,611 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:43,946 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:10:44,976 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:10:45,106 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:10:45,863 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:10:45,869 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1116 for LOIs [2019-10-07 14:10:46,369 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:10:46,873 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:10:46,998 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:47,783 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:48,324 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:48,833 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:48,958 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:49,728 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:50,628 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1126 [2019-10-07 14:10:51,141 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:51,270 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:52,036 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:52,573 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:53,102 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:53,228 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:54,002 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:54,522 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:55,033 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:55,158 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:55,911 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:56,429 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:56,941 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:10:57,063 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:10:57,826 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:10:58,110 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:10:58,111 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 14:10:58,118 INFO L168 Benchmark]: Toolchain (without parser) took 278137.42 ms. Allocated memory was 141.6 MB in the beginning and 468.2 MB in the end (delta: 326.6 MB). Free memory was 103.8 MB in the beginning and 132.1 MB in the end (delta: -28.3 MB). Peak memory consumption was 298.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,118 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1046.65 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 103.4 MB in the beginning and 145.2 MB in the end (delta: -41.8 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,119 INFO L168 Benchmark]: Boogie Preprocessor took 181.53 ms. Allocated memory is still 205.0 MB. Free memory was 145.2 MB in the beginning and 136.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,119 INFO L168 Benchmark]: RCFGBuilder took 5011.07 ms. Allocated memory was 205.0 MB in the beginning and 287.8 MB in the end (delta: 82.8 MB). Free memory was 136.0 MB in the beginning and 144.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 135.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,119 INFO L168 Benchmark]: TraceAbstraction took 271889.44 ms. Allocated memory was 287.8 MB in the beginning and 468.2 MB in the end (delta: 180.4 MB). Free memory was 144.9 MB in the beginning and 132.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 193.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:10:58,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1046.65 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 103.4 MB in the beginning and 145.2 MB in the end (delta: -41.8 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.53 ms. Allocated memory is still 205.0 MB. Free memory was 145.2 MB in the beginning and 136.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5011.07 ms. Allocated memory was 205.0 MB in the beginning and 287.8 MB in the end (delta: 82.8 MB). Free memory was 136.0 MB in the beginning and 144.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 135.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271889.44 ms. Allocated memory was 287.8 MB in the beginning and 468.2 MB in the end (delta: 180.4 MB). Free memory was 144.9 MB in the beginning and 132.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 193.1 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...