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_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:53,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:53,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:53,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:53,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:53,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:53,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:53,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:53,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:53,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:53,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:53,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:53,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:53,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:53,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:53,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:53,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:53,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:53,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:53,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:53,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:53,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:53,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:53,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:53,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:53,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:53,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:53,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:53,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:53,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:53,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:53,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:53,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:53,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:53,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:53,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:53,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:53,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:53,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:53,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:53,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:53,800 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 [2019-10-14 23:22:53,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:53,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:53,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:53,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:53,839 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:53,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:53,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:53,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:53,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:53,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:53,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:53,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:53,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:53,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:53,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:53,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:53,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:53,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:53,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:53,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:53,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:53,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:53,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:53,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:53,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:53,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:53,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:53,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:53,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:54,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:54,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:54,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:54,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:54,205 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:54,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-14 23:22:54,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa5cb4c0/ba7ccede13f647bc83f8ca5b1e001bc9/FLAG01909a683 [2019-10-14 23:22:54,897 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:54,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-14 23:22:54,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa5cb4c0/ba7ccede13f647bc83f8ca5b1e001bc9/FLAG01909a683 [2019-10-14 23:22:55,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa5cb4c0/ba7ccede13f647bc83f8ca5b1e001bc9 [2019-10-14 23:22:55,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:55,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:55,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:55,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:55,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:55,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:55" (1/1) ... [2019-10-14 23:22:55,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42247b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:55, skipping insertion in model container [2019-10-14 23:22:55,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:55" (1/1) ... [2019-10-14 23:22:55,184 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:55,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:56,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:56,074 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:56,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:56,279 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:56,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56 WrapperNode [2019-10-14 23:22:56,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:56,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:56,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:56,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:56,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (1/1) ... [2019-10-14 23:22:56,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:56,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:56,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:56,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:56,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (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 [2019-10-14 23:22:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:22:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:22:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:22:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:22:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:56,585 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:56,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:22:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:22:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:22:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:22:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:59,065 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:59,065 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:59,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:59 BoogieIcfgContainer [2019-10-14 23:22:59,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:59,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:59,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:59,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:59,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:55" (1/3) ... [2019-10-14 23:22:59,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c79d424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:59, skipping insertion in model container [2019-10-14 23:22:59,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:56" (2/3) ... [2019-10-14 23:22:59,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c79d424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:59, skipping insertion in model container [2019-10-14 23:22:59,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:59" (3/3) ... [2019-10-14 23:22:59,075 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2019-10-14 23:22:59,085 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:59,095 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:59,107 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:59,140 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:59,140 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:59,140 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:59,140 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:59,140 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:59,141 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:59,141 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:59,141 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states. [2019-10-14 23:22:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-14 23:22:59,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:59,193 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:59,195 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash 236945449, now seen corresponding path program 1 times [2019-10-14 23:22:59,211 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:59,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101660902] [2019-10-14 23:22:59,211 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:59,212 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:59,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,825 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:23:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,164 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:23:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:23:01,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101660902] [2019-10-14 23:23:01,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:01,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:01,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256643389] [2019-10-14 23:23:01,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:01,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:01,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:01,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:01,549 INFO L87 Difference]: Start difference. First operand 796 states. Second operand 9 states. [2019-10-14 23:23:03,481 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:23:04,404 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:23:05,953 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:23:24,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:24,959 INFO L93 Difference]: Finished difference Result 1692 states and 2930 transitions. [2019-10-14 23:23:24,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:23:24,962 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-14 23:23:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:24,996 INFO L225 Difference]: With dead ends: 1692 [2019-10-14 23:23:24,996 INFO L226 Difference]: Without dead ends: 1067 [2019-10-14 23:23:25,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:23:25,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-10-14 23:23:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 629. [2019-10-14 23:23:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2019-10-14 23:23:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1001 transitions. [2019-10-14 23:23:25,258 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1001 transitions. Word has length 87 [2019-10-14 23:23:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:25,259 INFO L462 AbstractCegarLoop]: Abstraction has 629 states and 1001 transitions. [2019-10-14 23:23:25,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:23:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1001 transitions. [2019-10-14 23:23:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-14 23:23:25,266 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:25,266 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:23:25,266 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:25,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:25,267 INFO L82 PathProgramCache]: Analyzing trace with hash -217065445, now seen corresponding path program 1 times [2019-10-14 23:23:25,267 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:25,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70646433] [2019-10-14 23:23:25,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:25,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:25,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,172 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:23:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,446 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:23:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:23:26,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70646433] [2019-10-14 23:23:26,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:26,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:26,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598043542] [2019-10-14 23:23:26,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:26,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:26,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:26,790 INFO L87 Difference]: Start difference. First operand 629 states and 1001 transitions. Second operand 9 states. [2019-10-14 23:23:28,492 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:23:29,341 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:23:30,521 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121