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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:20:19,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:20:19,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:20:19,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:20:19,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:20:19,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:20:19,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:20:19,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:20:19,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:20:19,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:20:19,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:20:19,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:20:19,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:20:19,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:20:19,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:20:19,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:20:19,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:20:19,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:20:19,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:20:19,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:20:19,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:20:19,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:20:19,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:20:19,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:20:19,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:20:19,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:20:19,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:20:19,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:20:19,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:20:19,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:20:19,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:20:19,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:20:19,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:20:19,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:20:19,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:20:19,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:20:19,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:20:19,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:20:19,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:20:19,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:20:19,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:20:19,097 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 [2019-10-13 19:20:19,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:20:19,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:20:19,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:20:19,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:20:19,122 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:20:19,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:20:19,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:20:19,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:20:19,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:20:19,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:20:19,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:20:19,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:20:19,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:20:19,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:20:19,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:20:19,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:20:19,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:20:19,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:20:19,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:20:19,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:20:19,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:20:19,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:20:19,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:20:19,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:20:19,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:20:19,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:20:19,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:20:19,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:20:19,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:20:19,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:20:19,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:20:19,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:20:19,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:20:19,450 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:20:19,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2019-10-13 19:20:19,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735490eb1/e9d4a8f1dd6746b6963aaca378c7c4cc/FLAG4e9f1c52b [2019-10-13 19:20:20,170 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:20:20,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2019-10-13 19:20:20,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735490eb1/e9d4a8f1dd6746b6963aaca378c7c4cc/FLAG4e9f1c52b [2019-10-13 19:20:20,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735490eb1/e9d4a8f1dd6746b6963aaca378c7c4cc [2019-10-13 19:20:20,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:20:20,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:20:20,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:20,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:20:20,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:20:20,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:20" (1/1) ... [2019-10-13 19:20:20,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:20, skipping insertion in model container [2019-10-13 19:20:20,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:20" (1/1) ... [2019-10-13 19:20:20,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:20:20,502 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:20:21,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:21,228 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:20:21,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:21,489 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:20:21,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21 WrapperNode [2019-10-13 19:20:21,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:21,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:20:21,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:20:21,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:20:21,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... [2019-10-13 19:20:21,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:20:21,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:20:21,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:20:21,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:20:21,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:20:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:20:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:20:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:20:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:20:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:20:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:20:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:20:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:20:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:20:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:20:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:20:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:20:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:20:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:20:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:20:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:20:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:20:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:20:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:20:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:20:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:20:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:20:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:20:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:20:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:20:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:20:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:20:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:20:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:20:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:20:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:20:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:20:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:20:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:20:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:20:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:20:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:20:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:20:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:20:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:20:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:20:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:20:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:20:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:20:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:20:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:20:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:20:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:20:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:20:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:20:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:20:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:20:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:20:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:20:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:20:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:20:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:20:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:20:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:20:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:20:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:20:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:20:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:20:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:20:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:20:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:20:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:20:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:20:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:20:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:20:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:20:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:20:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:20:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:20:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:20:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:20:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:20:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:20:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:20:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:20:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:20:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:20:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:20:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:20:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:20:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:20:21,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:20:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:20:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:20:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:20:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:20:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:20:21,805 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:20:21,806 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:20:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:20:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:20:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:20:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:20:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:20:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:20:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:20:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:20:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:20:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:20:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:20:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:20:24,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:20:24,341 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:20:24,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:24 BoogieIcfgContainer [2019-10-13 19:20:24,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:20:24,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:20:24,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:20:24,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:20:24,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:20" (1/3) ... [2019-10-13 19:20:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752f61b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:24, skipping insertion in model container [2019-10-13 19:20:24,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:21" (2/3) ... [2019-10-13 19:20:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752f61b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:24, skipping insertion in model container [2019-10-13 19:20:24,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:24" (3/3) ... [2019-10-13 19:20:24,352 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2019-10-13 19:20:24,362 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:20:24,371 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:20:24,384 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:20:24,420 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:20:24,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:20:24,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:20:24,421 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:20:24,421 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:20:24,421 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:20:24,421 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:20:24,421 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:20:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states. [2019-10-13 19:20:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 19:20:24,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:24,484 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:20:24,488 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:24,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:24,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1156947632, now seen corresponding path program 1 times [2019-10-13 19:20:24,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:24,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152301600] [2019-10-13 19:20:24,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:24,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:24,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,099 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:20:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:20:26,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152301600] [2019-10-13 19:20:26,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:26,384 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 19:20:26,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865944497] [2019-10-13 19:20:26,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 19:20:26,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:26,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 19:20:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:20:26,406 INFO L87 Difference]: Start difference. First operand 798 states. Second operand 7 states. [2019-10-13 19:20:28,174 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:20:29,023 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-13 19:20:38,014 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:20:46,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:20:46,645 INFO L93 Difference]: Finished difference Result 1536 states and 2551 transitions. [2019-10-13 19:20:46,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:20:46,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-13 19:20:46,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:20:46,697 INFO L225 Difference]: With dead ends: 1536 [2019-10-13 19:20:46,697 INFO L226 Difference]: Without dead ends: 878 [2019-10-13 19:20:46,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:20:46,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-10-13 19:20:47,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 643. [2019-10-13 19:20:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-10-13 19:20:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1007 transitions. [2019-10-13 19:20:47,051 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1007 transitions. Word has length 87 [2019-10-13 19:20:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:20:47,052 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 1007 transitions. [2019-10-13 19:20:47,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 19:20:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1007 transitions. [2019-10-13 19:20:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:20:47,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:47,063 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:20:47,063 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1296609552, now seen corresponding path program 1 times [2019-10-13 19:20:47,065 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:47,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809622556] [2019-10-13 19:20:47,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:47,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:47,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,099 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:20:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:20:48,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809622556] [2019-10-13 19:20:48,370 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:48,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 19:20:48,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81259393] [2019-10-13 19:20:48,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 19:20:48,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:48,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 19:20:48,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:20:48,373 INFO L87 Difference]: Start difference. First operand 643 states and 1007 transitions. Second operand 7 states. [2019-10-13 19:20:49,642 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:20:50,532 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 390