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-f4eb214f-m [2019-10-13 19:23:52,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:52,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:52,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:52,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:52,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:52,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:52,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:52,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:52,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:52,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:52,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:52,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:52,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:52,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:52,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:52,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:52,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:52,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:52,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:52,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:52,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:53,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:53,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:53,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:53,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:53,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:53,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:53,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:53,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:53,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:53,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:53,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:53,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:53,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:53,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:53,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:53,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:53,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:53,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:53,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:53,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:23:53,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:53,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:53,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:53,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:53,055 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:53,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:53,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:53,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:53,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:53,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:53,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:53,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:53,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:53,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:53,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:53,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:53,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:53,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:53,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:53,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:53,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:53,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:53,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:53,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:53,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:53,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:53,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:53,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:53,342 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:53,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-13 19:23:53,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8aa3266/d37b5aaf014b4631ad13b08c2307d01f/FLAG514a12b1d [2019-10-13 19:23:54,024 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:54,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product30.cil.c [2019-10-13 19:23:54,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8aa3266/d37b5aaf014b4631ad13b08c2307d01f/FLAG514a12b1d [2019-10-13 19:23:54,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8aa3266/d37b5aaf014b4631ad13b08c2307d01f [2019-10-13 19:23:54,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:54,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:54,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:54,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:54,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:54, skipping insertion in model container [2019-10-13 19:23:54,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:54" (1/1) ... [2019-10-13 19:23:54,266 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:54,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:55,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:55,072 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:55,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:55,309 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:55,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55 WrapperNode [2019-10-13 19:23:55,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:55,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:55,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:55,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:55,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... [2019-10-13 19:23:55,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:55,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:55,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:55,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:55,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:58,066 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:58,067 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:58,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:58 BoogieIcfgContainer [2019-10-13 19:23:58,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:58,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:58,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:58,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:58,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:54" (1/3) ... [2019-10-13 19:23:58,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20806536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:58, skipping insertion in model container [2019-10-13 19:23:58,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:55" (2/3) ... [2019-10-13 19:23:58,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20806536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:58, skipping insertion in model container [2019-10-13 19:23:58,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:58" (3/3) ... [2019-10-13 19:23:58,082 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2019-10-13 19:23:58,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:58,100 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:58,111 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:58,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:58,151 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:58,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:58,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:58,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:58,151 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:58,151 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:58,151 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states. [2019-10-13 19:23:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 19:23:58,206 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:58,207 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] [2019-10-13 19:23:58,208 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash 236945449, now seen corresponding path program 1 times [2019-10-13 19:23:58,220 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:58,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052980166] [2019-10-13 19:23:58,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:58,220 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:58,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,744 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-13 19:23:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,089 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:24:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:00,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052980166] [2019-10-13 19:24:00,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:00,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:00,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817601904] [2019-10-13 19:24:00,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:00,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:00,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:00,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:00,463 INFO L87 Difference]: Start difference. First operand 796 states. Second operand 9 states. [2019-10-13 19:24:02,102 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:24:02,949 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-13 19:24:04,429 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:22,510 INFO L93 Difference]: Finished difference Result 1692 states and 2930 transitions. [2019-10-13 19:24:22,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:24:22,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-10-13 19:24:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:22,546 INFO L225 Difference]: With dead ends: 1692 [2019-10-13 19:24:22,546 INFO L226 Difference]: Without dead ends: 1067 [2019-10-13 19:24:22,559 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:24:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2019-10-13 19:24:22,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 629. [2019-10-13 19:24:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2019-10-13 19:24:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1001 transitions. [2019-10-13 19:24:22,867 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1001 transitions. Word has length 87 [2019-10-13 19:24:22,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:22,868 INFO L462 AbstractCegarLoop]: Abstraction has 629 states and 1001 transitions. [2019-10-13 19:24:22,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:24:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1001 transitions. [2019-10-13 19:24:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 19:24:22,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:22,874 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] [2019-10-13 19:24:22,875 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:22,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:22,875 INFO L82 PathProgramCache]: Analyzing trace with hash -217065445, now seen corresponding path program 1 times [2019-10-13 19:24:22,875 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:22,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853629500] [2019-10-13 19:24:22,876 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:22,876 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:22,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,819 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-13 19:24:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,074 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:24:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:24:24,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853629500] [2019-10-13 19:24:24,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:24,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:24,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707771151] [2019-10-13 19:24:24,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:24,451 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:24,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:24,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:24,452 INFO L87 Difference]: Start difference. First operand 629 states and 1001 transitions. Second operand 9 states. [2019-10-13 19:24:26,155 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:24:27,004 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-13 19:24:28,212 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121