/usr/bin/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-fb55353 [2019-11-06 21:36:22,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:36:22,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:36:22,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:36:22,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:36:22,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:36:22,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:36:22,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:36:22,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:36:22,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:36:22,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:36:22,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:36:22,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:36:22,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:36:22,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:36:22,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:36:22,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:36:22,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:36:22,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:36:22,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:36:22,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:36:22,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:36:22,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:36:22,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:36:22,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:36:22,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:36:22,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:36:22,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:36:22,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:36:22,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:36:22,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:36:22,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:36:22,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:36:22,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:36:22,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:36:22,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:36:22,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:36:22,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:36:22,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:36:22,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:36:22,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:36:22,881 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 [2019-11-06 21:36:22,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:36:22,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:36:22,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:36:22,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:36:22,919 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:36:22,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:36:22,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:36:22,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:36:22,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:36:22,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:36:22,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:36:22,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:36:22,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:36:22,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:36:22,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:36:22,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:36:22,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:36:22,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:36:22,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:36:22,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:36:22,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:36:22,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:36:22,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:36:22,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:36:22,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:36:22,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:36:22,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:36:22,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:36:22,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:36:23,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:36:23,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:36:23,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:36:23,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:36:23,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:36:23,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-11-06 21:36:23,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d524bac94/37ead7cbd77c49ceaa1bc5d7e8177c3f/FLAG9f09ff52f [2019-11-06 21:36:23,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:36:23,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-11-06 21:36:23,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d524bac94/37ead7cbd77c49ceaa1bc5d7e8177c3f/FLAG9f09ff52f [2019-11-06 21:36:24,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d524bac94/37ead7cbd77c49ceaa1bc5d7e8177c3f [2019-11-06 21:36:24,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:36:24,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:36:24,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:36:24,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:36:24,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:36:24,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:24" (1/1) ... [2019-11-06 21:36:24,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5178d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:24, skipping insertion in model container [2019-11-06 21:36:24,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:24" (1/1) ... [2019-11-06 21:36:24,148 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:36:24,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:36:25,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:36:25,058 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:36:25,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:36:25,300 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:36:25,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25 WrapperNode [2019-11-06 21:36:25,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:36:25,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:36:25,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:36:25,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:36:25,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (1/1) ... [2019-11-06 21:36:25,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:36:25,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:36:25,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:36:25,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:36:25,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (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 [2019-11-06 21:36:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:36:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:36:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:36:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:36:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:36:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:36:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:36:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:36:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:36:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:36:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:36:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:36:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:36:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:36:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:36:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:36:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:36:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:36:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:36:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:36:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:36:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:36:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:36:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:36:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:36:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:36:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:36:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:36:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:36:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:36:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:36:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:36:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:36:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:36:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:36:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:36:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:36:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:36:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:36:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:36:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:36:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:36:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:36:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:36:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:36:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:36:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:36:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:36:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:36:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:36:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:36:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:36:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:36:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:36:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:36:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:36:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:36:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:36:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:36:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:36:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:36:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:36:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:36:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:36:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:36:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:36:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:36:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:36:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-11-06 21:36:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:36:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:36:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:36:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:36:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:36:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:36:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:36:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:36:28,068 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:36:28,069 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:36:28,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:28 BoogieIcfgContainer [2019-11-06 21:36:28,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:36:28,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:36:28,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:36:28,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:36:28,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:36:24" (1/3) ... [2019-11-06 21:36:28,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d443b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:28, skipping insertion in model container [2019-11-06 21:36:28,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:25" (2/3) ... [2019-11-06 21:36:28,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d443b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:28, skipping insertion in model container [2019-11-06 21:36:28,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:28" (3/3) ... [2019-11-06 21:36:28,082 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2019-11-06 21:36:28,097 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:36:28,108 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:36:28,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:36:28,182 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:36:28,183 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:36:28,183 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:36:28,183 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:36:28,183 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:36:28,184 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:36:28,184 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:36:28,184 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:36:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states. [2019-11-06 21:36:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-06 21:36:28,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:28,269 INFO L410 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] [2019-11-06 21:36:28,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:28,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:28,277 INFO L82 PathProgramCache]: Analyzing trace with hash 236945449, now seen corresponding path program 1 times [2019-11-06 21:36:28,287 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:28,288 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628852797] [2019-11-06 21:36:28,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,855 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:36:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,145 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:36:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,343 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:36:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:36:30,568 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628852797] [2019-11-06 21:36:30,569 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:30,569 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:36:30,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781485446] [2019-11-06 21:36:30,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:36:30,576 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:36:30,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:36:30,593 INFO L87 Difference]: Start difference. First operand 796 states. Second operand 9 states. [2019-11-06 21:36:32,302 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:36:33,178 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:36:34,767 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:36:54,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:36:54,479 INFO L93 Difference]: Finished difference Result 1692 states and 2930 transitions. [2019-11-06 21:36:54,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:36:54,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-11-06 21:36:54,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:36:54,518 INFO L225 Difference]: With dead ends: 1692 [2019-11-06 21:36:54,519 INFO L226 Difference]: Without dead ends: 1067 [2019-11-06 21:36:54,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:36:54,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-11-06 21:36:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 629. [2019-11-06 21:36:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2019-11-06 21:36:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1001 transitions. [2019-11-06 21:36:54,859 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1001 transitions. Word has length 87 [2019-11-06 21:36:54,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:36:54,860 INFO L462 AbstractCegarLoop]: Abstraction has 629 states and 1001 transitions. [2019-11-06 21:36:54,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:36:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1001 transitions. [2019-11-06 21:36:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-06 21:36:54,872 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:54,872 INFO L410 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] [2019-11-06 21:36:54,872 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:54,873 INFO L82 PathProgramCache]: Analyzing trace with hash -217065445, now seen corresponding path program 1 times [2019-11-06 21:36:54,873 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:54,873 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271736106] [2019-11-06 21:36:54,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,865 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:36:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,161 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:36:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:36:56,520 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271736106] [2019-11-06 21:36:56,521 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:56,521 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:36:56,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002717505] [2019-11-06 21:36:56,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:36:56,537 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:56,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:36:56,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:36:56,538 INFO L87 Difference]: Start difference. First operand 629 states and 1001 transitions. Second operand 9 states. [2019-11-06 21:36:58,274 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:36:59,112 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:37:00,343 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121