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_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:35:28,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:35:28,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:35:28,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:35:28,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:35:28,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:35:28,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:35:28,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:35:28,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:35:28,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:35:28,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:35:28,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:35:28,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:35:28,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:35:28,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:35:28,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:35:28,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:35:28,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:35:28,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:35:28,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:35:28,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:35:28,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:35:28,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:35:28,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:35:28,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:35:28,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:35:28,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:35:28,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:35:28,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:35:28,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:35:28,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:35:28,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:35:28,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:35:28,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:35:28,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:35:28,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:35:28,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:35:28,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:35:28,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:35:28,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:35:28,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:35:28,861 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 14:35:28,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:35:28,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:35:28,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:35:28,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:35:28,882 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:35:28,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:35:28,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:35:28,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:35:28,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:35:28,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:35:28,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:35:28,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:35:28,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:35:28,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:35:28,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:35:28,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:35:28,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:35:28,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:35:28,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:35:28,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:35:28,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:35:28,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:35:28,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:35:28,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:35:28,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:35:28,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:35:28,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:35:28,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:35:28,889 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 14:35:29,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:35:29,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:35:29,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:35:29,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:35:29,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:35:29,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-07 14:35:29,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e50beab/25e11a8b5792486c9d910551674dd323/FLAG308da47ff [2019-10-07 14:35:29,902 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:35:29,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-07 14:35:29,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e50beab/25e11a8b5792486c9d910551674dd323/FLAG308da47ff [2019-10-07 14:35:30,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e50beab/25e11a8b5792486c9d910551674dd323 [2019-10-07 14:35:30,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:35:30,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:35:30,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:35:30,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:35:30,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:35:30,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:35:30" (1/1) ... [2019-10-07 14:35:30,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ab95e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:30, skipping insertion in model container [2019-10-07 14:35:30,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:35:30" (1/1) ... [2019-10-07 14:35:30,145 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:35:30,231 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:35:30,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:35:30,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:35:31,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:35:31,176 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:35:31,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31 WrapperNode [2019-10-07 14:35:31,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:35:31,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:35:31,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:35:31,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:35:31,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (1/1) ... [2019-10-07 14:35:31,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:35:31,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:35:31,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:35:31,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:35:31,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (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 14:35:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:35:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:35:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:35:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:35:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:35:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:35:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:35:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:35:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:35:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:35:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:35:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:35:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:35:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:35:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-07 14:35:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-07 14:35:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-07 14:35:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-07 14:35:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:35:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:35:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:35:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:35:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:35:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:35:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:35:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:35:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:35:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:35:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:35:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:35:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:35:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:35:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:35:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:35:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:35:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:35:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:35:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:35:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:35:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:35:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:35:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-07 14:35:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:35:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:35:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:35:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:35:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:35:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:35:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:35:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:35:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:35:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:35:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:35:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:35:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:35:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:35:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:35:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:35:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:35:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:35:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:35:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:35:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:35:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:35:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:35:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:35:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:35:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:35:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:35:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:35:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:35:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:35:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:35:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:35:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:35:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:35:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-07 14:35:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-07 14:35:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-07 14:35:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-07 14:35:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:35:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:35:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:35:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:35:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:35:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:35:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:35:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:35:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:35:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:35:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:35:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:35:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:35:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:35:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:35:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:35:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:35:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:35:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:35:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:35:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:35:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:35:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:35:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:35:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:35:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:35:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:35:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:35:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:35:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:35:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:35:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:35:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:35:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:35:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:35:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-07 14:35:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:35:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:35:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:35:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:35:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:35:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:35:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:35:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:35:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:35:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:35:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:35:37,246 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:35:37,246 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:35:37,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:35:37 BoogieIcfgContainer [2019-10-07 14:35:37,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:35:37,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:35:37,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:35:37,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:35:37,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:35:30" (1/3) ... [2019-10-07 14:35:37,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a18747c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:35:37, skipping insertion in model container [2019-10-07 14:35:37,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:35:31" (2/3) ... [2019-10-07 14:35:37,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a18747c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:35:37, skipping insertion in model container [2019-10-07 14:35:37,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:35:37" (3/3) ... [2019-10-07 14:35:37,256 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2019-10-07 14:35:37,267 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:35:37,278 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:35:37,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:35:37,336 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:35:37,336 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:35:37,336 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:35:37,337 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:35:37,337 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:35:37,337 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:35:37,337 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:35:37,337 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:35:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states. [2019-10-07 14:35:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 14:35:37,384 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:37,386 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:37,388 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:37,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1196104364, now seen corresponding path program 1 times [2019-10-07 14:35:37,404 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:37,404 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:37,404 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:37,405 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:37,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:38,019 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:38,020 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:38,020 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:35:38,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:35:38,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:35:38,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:35:38,045 INFO L87 Difference]: Start difference. First operand 580 states. Second operand 2 states. [2019-10-07 14:35:38,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:38,115 INFO L93 Difference]: Finished difference Result 477 states and 704 transitions. [2019-10-07 14:35:38,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:35:38,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 74 [2019-10-07 14:35:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:38,140 INFO L225 Difference]: With dead ends: 477 [2019-10-07 14:35:38,141 INFO L226 Difference]: Without dead ends: 443 [2019-10-07 14:35:38,145 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 14:35:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-10-07 14:35:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2019-10-07 14:35:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-07 14:35:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 653 transitions. [2019-10-07 14:35:38,248 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 653 transitions. Word has length 74 [2019-10-07 14:35:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:38,250 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 653 transitions. [2019-10-07 14:35:38,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:35:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 653 transitions. [2019-10-07 14:35:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 14:35:38,257 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:38,257 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:38,258 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1293227544, now seen corresponding path program 1 times [2019-10-07 14:35:38,258 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:38,259 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:38,259 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,259 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:38,623 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:38,624 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:38,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:38,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:38,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:38,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:38,630 INFO L87 Difference]: Start difference. First operand 443 states and 653 transitions. Second operand 3 states. [2019-10-07 14:35:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:38,788 INFO L93 Difference]: Finished difference Result 1220 states and 1851 transitions. [2019-10-07 14:35:38,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:38,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-07 14:35:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:38,803 INFO L225 Difference]: With dead ends: 1220 [2019-10-07 14:35:38,805 INFO L226 Difference]: Without dead ends: 819 [2019-10-07 14:35:38,814 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-07 14:35:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 802. [2019-10-07 14:35:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-10-07 14:35:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1213 transitions. [2019-10-07 14:35:38,888 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1213 transitions. Word has length 75 [2019-10-07 14:35:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:38,889 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 1213 transitions. [2019-10-07 14:35:38,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1213 transitions. [2019-10-07 14:35:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 14:35:38,894 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:38,894 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:38,894 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:38,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1434033571, now seen corresponding path program 1 times [2019-10-07 14:35:38,895 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:38,895 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:38,895 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,896 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:39,093 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,094 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:39,094 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:39,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:39,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:39,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,096 INFO L87 Difference]: Start difference. First operand 802 states and 1213 transitions. Second operand 3 states. [2019-10-07 14:35:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:39,225 INFO L93 Difference]: Finished difference Result 2298 states and 3544 transitions. [2019-10-07 14:35:39,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:39,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-07 14:35:39,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:39,246 INFO L225 Difference]: With dead ends: 2298 [2019-10-07 14:35:39,246 INFO L226 Difference]: Without dead ends: 1539 [2019-10-07 14:35:39,252 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2019-10-07 14:35:39,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1521. [2019-10-07 14:35:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1521 states. [2019-10-07 14:35:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2342 transitions. [2019-10-07 14:35:39,392 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2342 transitions. Word has length 76 [2019-10-07 14:35:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:39,395 INFO L462 AbstractCegarLoop]: Abstraction has 1521 states and 2342 transitions. [2019-10-07 14:35:39,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2342 transitions. [2019-10-07 14:35:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:35:39,409 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:39,410 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:39,410 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:39,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:39,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1504057018, now seen corresponding path program 1 times [2019-10-07 14:35:39,411 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:39,411 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,411 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:39,412 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:39,635 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:39,636 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:39,636 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:39,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:39,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:39,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,639 INFO L87 Difference]: Start difference. First operand 1521 states and 2342 transitions. Second operand 3 states. [2019-10-07 14:35:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:39,819 INFO L93 Difference]: Finished difference Result 4455 states and 6972 transitions. [2019-10-07 14:35:39,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:39,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-07 14:35:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:39,849 INFO L225 Difference]: With dead ends: 4455 [2019-10-07 14:35:39,849 INFO L226 Difference]: Without dead ends: 2979 [2019-10-07 14:35:39,859 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2019-10-07 14:35:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2960. [2019-10-07 14:35:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2019-10-07 14:35:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4630 transitions. [2019-10-07 14:35:40,123 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4630 transitions. Word has length 77 [2019-10-07 14:35:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:40,124 INFO L462 AbstractCegarLoop]: Abstraction has 2960 states and 4630 transitions. [2019-10-07 14:35:40,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4630 transitions. [2019-10-07 14:35:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 14:35:40,128 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:40,128 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:40,128 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:40,129 INFO L82 PathProgramCache]: Analyzing trace with hash -620179515, now seen corresponding path program 1 times [2019-10-07 14:35:40,129 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:40,129 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,129 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,130 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:40,322 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:40,322 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:40,322 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:40,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:40,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:40,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:40,324 INFO L87 Difference]: Start difference. First operand 2960 states and 4630 transitions. Second operand 3 states. [2019-10-07 14:35:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:40,675 INFO L93 Difference]: Finished difference Result 8770 states and 13981 transitions. [2019-10-07 14:35:40,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:40,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-07 14:35:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:40,747 INFO L225 Difference]: With dead ends: 8770 [2019-10-07 14:35:40,748 INFO L226 Difference]: Without dead ends: 5859 [2019-10-07 14:35:40,776 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:40,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2019-10-07 14:35:41,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5839. [2019-10-07 14:35:41,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5839 states. [2019-10-07 14:35:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 9318 transitions. [2019-10-07 14:35:41,376 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 9318 transitions. Word has length 78 [2019-10-07 14:35:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:41,376 INFO L462 AbstractCegarLoop]: Abstraction has 5839 states and 9318 transitions. [2019-10-07 14:35:41,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 9318 transitions. [2019-10-07 14:35:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 14:35:41,383 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:41,384 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:41,384 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:41,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:41,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2046998692, now seen corresponding path program 1 times [2019-10-07 14:35:41,388 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:41,389 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:41,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:41,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:35:41,535 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:41,535 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:35:41,536 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:35:41,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:35:41,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:35:41,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:41,537 INFO L87 Difference]: Start difference. First operand 5839 states and 9318 transitions. Second operand 3 states. [2019-10-07 14:35:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:41,753 INFO L93 Difference]: Finished difference Result 6220 states and 9948 transitions. [2019-10-07 14:35:41,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:35:41,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-10-07 14:35:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:41,814 INFO L225 Difference]: With dead ends: 6220 [2019-10-07 14:35:41,815 INFO L226 Difference]: Without dead ends: 6207 [2019-10-07 14:35:41,823 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:35:41,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6207 states. [2019-10-07 14:35:42,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6207 to 6192. [2019-10-07 14:35:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6192 states. [2019-10-07 14:35:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 9911 transitions. [2019-10-07 14:35:42,274 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 9911 transitions. Word has length 79 [2019-10-07 14:35:42,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:42,277 INFO L462 AbstractCegarLoop]: Abstraction has 6192 states and 9911 transitions. [2019-10-07 14:35:42,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:35:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 9911 transitions. [2019-10-07 14:35:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 14:35:42,288 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:42,288 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:42,289 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:42,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:42,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1955039642, now seen corresponding path program 1 times [2019-10-07 14:35:42,289 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:42,290 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:42,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:42,290 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:42,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-07 14:35:42,736 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:42,737 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:35:42,737 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 14:35:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:43,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 3694 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:35:43,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:35:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 14:35:43,796 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:35:44,619 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 14:35:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-07 14:35:45,161 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:35:45,161 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 10 [2019-10-07 14:35:45,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:35:45,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:35:45,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:35:45,162 INFO L87 Difference]: Start difference. First operand 6192 states and 9911 transitions. Second operand 4 states. [2019-10-07 14:35:45,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:35:45,769 INFO L93 Difference]: Finished difference Result 13005 states and 21494 transitions. [2019-10-07 14:35:45,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:35:45,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-10-07 14:35:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:35:45,835 INFO L225 Difference]: With dead ends: 13005 [2019-10-07 14:35:45,835 INFO L226 Difference]: Without dead ends: 6855 [2019-10-07 14:35:45,886 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 381 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-07 14:35:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6855 states. [2019-10-07 14:35:46,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6855 to 6855. [2019-10-07 14:35:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6855 states. [2019-10-07 14:35:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6855 states to 6855 states and 11152 transitions. [2019-10-07 14:35:46,331 INFO L78 Accepts]: Start accepts. Automaton has 6855 states and 11152 transitions. Word has length 191 [2019-10-07 14:35:46,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:35:46,332 INFO L462 AbstractCegarLoop]: Abstraction has 6855 states and 11152 transitions. [2019-10-07 14:35:46,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:35:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 6855 states and 11152 transitions. [2019-10-07 14:35:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 14:35:46,339 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:35:46,339 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:35:46,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:35:46,540 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:35:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:35:46,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1874531414, now seen corresponding path program 1 times [2019-10-07 14:35:46,541 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:35:46,541 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:46,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:46,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:35:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:35:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 14:35:46,976 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:35:46,976 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:35:46,976 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 14:35:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:35:47,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 3699 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-07 14:35:47,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:35:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 14:35:48,090 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:35:48,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:48,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:49,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:49,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:35:49,343 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-07 14:35:49,344 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:35:49,395 INFO L162 IcfgInterpreter]: Started Sifa with 161 locations of interest [2019-10-07 14:35:49,395 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:35:49,403 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:35:49,415 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:35:49,415 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:36:46,308 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 775 [2019-10-07 14:36:52,573 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:36:52,982 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:36:53,294 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:36:53,533 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 868 [2019-10-07 14:36:54,135 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:54,669 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:55,192 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:55,800 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:56,889 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1060 [2019-10-07 14:36:57,430 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:58,040 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:58,558 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:59,043 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:59,623 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:36:59,651 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 397 for LOIs [2019-10-07 14:36:59,944 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:37:00,063 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:37:00,433 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2019-10-07 14:37:00,434 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1108 for LOIs [2019-10-07 14:37:00,919 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:01,405 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:01,539 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:02,373 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:02,875 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:03,365 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:03,515 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:04,334 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:04,876 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:05,364 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:05,496 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:06,309 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:07,226 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1108 [2019-10-07 14:37:07,711 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:07,986 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:08,860 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:09,354 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:09,859 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:10,046 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:10,886 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:11,367 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:11,848 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:11,979 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:12,821 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:13,312 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:13,799 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:13,929 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:14,781 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:15,299 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:15,792 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:15,919 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:16,766 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:17,251 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:17,742 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:17,880 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:18,696 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:19,180 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:19,658 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:19,842 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:20,676 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:21,166 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:21,645 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:21,771 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:22,605 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:23,082 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:23,561 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:23,688 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:24,512 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:25,017 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:25,512 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 14:37:25,638 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:26,451 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:27,314 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:28,159 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:28,394 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:29,256 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:31,251 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:37:32,080 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:32,219 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:33,044 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:33,886 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:34,700 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:34,825 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:37:35,639 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:37:36,528 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:37,359 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:37,491 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:38,302 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:40,204 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:37:41,058 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:41,192 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:42,014 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:42,844 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:43,669 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:43,797 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:44,623 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:45,442 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:37:46,278 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:37:46,425 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:47,249 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:48,060 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:48,884 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:49,024 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:49,833 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:37:50,737 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:51,584 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:51,729 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:52,562 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:37:53,986 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:37:54,840 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:54,980 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:55,835 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:37:56,657 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:57,476 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:37:57,605 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:37:58,433 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:38:00,152 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:00,988 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:01,162 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:01,973 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:03,445 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:04,281 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:04,417 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:05,231 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:06,049 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:06,875 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:07,005 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:07,837 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:09,334 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:10,178 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:10,315 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:11,166 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:12,669 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:13,500 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:13,646 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:14,492 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:15,935 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:16,772 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:16,899 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:17,722 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:19,156 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:38:19,970 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:38:20,104 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:20,913 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:22,319 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:38:23,152 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:23,292 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:24,117 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:38:25,613 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:26,419 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:26,552 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:27,361 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:28,812 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:29,618 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:29,754 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:30,563 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:31,370 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:32,175 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:32,300 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:33,106 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:34,690 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:35,496 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:35,630 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:36,454 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:37,913 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:38,709 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:38,841 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:39,633 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:40,442 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:41,248 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:41,375 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:42,175 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:43,659 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:44,472 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:44,606 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:45,425 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:47,050 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:47,874 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:48,034 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:48,863 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:50,331 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:38:51,158 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:51,288 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:52,115 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:53,501 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1288 [2019-10-07 14:38:54,324 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:54,465 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:38:55,286 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:38:56,765 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:38:57,587 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:38:57,720 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:38:58,532 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:00,028 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:00,847 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:00,982 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:01,800 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:02,623 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:03,438 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:03,564 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:04,381 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:05,907 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:06,734 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:06,867 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:07,691 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:09,166 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:09,988 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:10,121 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:10,938 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:12,419 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:13,231 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:13,366 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:14,178 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:15,638 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:16,449 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:16,601 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:17,411 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:18,229 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:19,078 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:19,207 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:20,041 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:21,447 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:39:22,262 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:39:22,396 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:23,221 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:24,695 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:25,526 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:25,662 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:26,500 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:27,893 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:39:28,726 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:39:28,857 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:29,689 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:31,169 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 14:39:31,994 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:39:32,128 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:32,957 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:34,360 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1288 [2019-10-07 14:39:35,197 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:35,336 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:36,165 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:39:37,663 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:38,499 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:38,661 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:39,481 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:40,952 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:41,778 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:41,911 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:42,722 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:44,220 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:45,035 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:45,171 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:45,996 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:47,488 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 14:39:48,318 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:48,458 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:49,281 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:50,117 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:50,937 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:51,064 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:39:51,888 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:39:53,403 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:54,242 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:54,381 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:55,215 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:56,707 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:39:57,542 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:39:57,688 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:39:58,522 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:00,008 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:40:00,847 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:00,976 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:40:01,809 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:03,297 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1288 [2019-10-07 14:40:04,119 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:04,250 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:40:05,072 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:40:06,483 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:40:07,329 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:07,462 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:40:08,299 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:09,738 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:40:10,568 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:10,867 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:40:11,759 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:13,164 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 14:40:14,021 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:14,156 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 14:40:14,987 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:40:14,994 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1136 for LOIs [2019-10-07 14:40:15,533 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:40:16,079 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:40:16,210 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:17,050 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:17,635 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:18,169 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:18,300 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:19,111 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:20,037 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1146 [2019-10-07 14:40:20,567 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:20,696 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:21,496 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:22,040 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:22,576 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:22,703 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:23,520 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:24,049 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:24,594 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:24,723 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:25,524 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:26,068 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:26,603 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:40:26,728 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2019-10-07 14:40:27,532 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:40:27,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:27,805 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 14:40:27,811 INFO L168 Benchmark]: Toolchain (without parser) took 297681.83 ms. Allocated memory was 138.9 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 99.2 MB in the beginning and 687.4 MB in the end (delta: -588.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,811 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1046.65 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 99.0 MB in the beginning and 141.2 MB in the end (delta: -42.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,812 INFO L168 Benchmark]: Boogie Preprocessor took 248.89 ms. Allocated memory is still 203.4 MB. Free memory was 141.2 MB in the beginning and 132.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,812 INFO L168 Benchmark]: RCFGBuilder took 5821.08 ms. Allocated memory was 203.4 MB in the beginning and 299.4 MB in the end (delta: 95.9 MB). Free memory was 131.5 MB in the beginning and 191.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,813 INFO L168 Benchmark]: TraceAbstraction took 290560.41 ms. Allocated memory was 299.4 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 191.9 MB in the beginning and 687.4 MB in the end (delta: -495.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 14:40:27,815 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 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 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 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 99.0 MB in the beginning and 141.2 MB in the end (delta: -42.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 248.89 ms. Allocated memory is still 203.4 MB. Free memory was 141.2 MB in the beginning and 132.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5821.08 ms. Allocated memory was 203.4 MB in the beginning and 299.4 MB in the end (delta: 95.9 MB). Free memory was 131.5 MB in the beginning and 191.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 290560.41 ms. Allocated memory was 299.4 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 191.9 MB in the beginning and 687.4 MB in the end (delta: -495.4 MB). Peak memory consumption was 1.3 GB. 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...