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_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:22,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:22,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:22,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:22,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:22,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:22,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:22,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:22,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:22,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:22,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:22,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:22,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:22,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:22,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:22,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:22,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:22,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:22,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:22,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:22,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:22,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:22,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:22,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:22,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:22,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:22,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:22,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:22,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:22,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:22,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:22,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:22,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:22,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:22,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:22,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:22,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:22,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:22,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:22,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:22,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:22,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:21:23,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:23,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:23,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:23,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:23,003 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:23,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:23,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:23,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:23,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:23,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:23,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:23,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:23,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:23,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:23,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:23,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:23,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:23,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:23,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:23,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:23,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:23,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:23,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:23,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:23,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:23,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:23,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:23,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:23,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:23,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:23,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:23,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:23,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:23,283 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:23,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_productSimulator.cil.c [2019-10-14 23:21:23,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3055e08/d5796f070c2542dea6ac09cce220152b/FLAGc649ed43c [2019-10-14 23:21:24,007 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:24,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_productSimulator.cil.c [2019-10-14 23:21:24,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3055e08/d5796f070c2542dea6ac09cce220152b/FLAGc649ed43c [2019-10-14 23:21:24,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3055e08/d5796f070c2542dea6ac09cce220152b [2019-10-14 23:21:24,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:24,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:24,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:24,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:24,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:24,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a57a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:24" (1/1) ... [2019-10-14 23:21:24,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:24,280 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:25,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:25,107 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:25,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:25,284 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:25,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25 WrapperNode [2019-10-14 23:21:25,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:25,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:25,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:25,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:25,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (1/1) ... [2019-10-14 23:21:25,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:25,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:25,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:25,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:25,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (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 [2019-10-14 23:21:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:25,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-10-14 23:21:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-10-14 23:21:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-10-14 23:21:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-14 23:21:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-14 23:21:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-14 23:21:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-14 23:21:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-14 23:21:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-10-14 23:21:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-10-14 23:21:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-10-14 23:21:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-10-14 23:21:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-10-14 23:21:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:28,235 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:28,236 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:28,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:28 BoogieIcfgContainer [2019-10-14 23:21:28,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:28,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:28,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:28,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:28,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:24" (1/3) ... [2019-10-14 23:21:28,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d64cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:28, skipping insertion in model container [2019-10-14 23:21:28,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:25" (2/3) ... [2019-10-14 23:21:28,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d64cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:28, skipping insertion in model container [2019-10-14 23:21:28,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:28" (3/3) ... [2019-10-14 23:21:28,248 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_productSimulator.cil.c [2019-10-14 23:21:28,258 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:28,268 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:28,279 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:28,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:28,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:28,327 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:28,327 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:28,327 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:28,328 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:28,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:28,328 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states. [2019-10-14 23:21:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-14 23:21:28,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:28,447 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:28,450 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:28,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:28,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1390055657, now seen corresponding path program 1 times [2019-10-14 23:21:28,467 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:28,467 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088292721] [2019-10-14 23:21:28,467 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:28,468 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:28,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,386 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2019-10-14 23:21:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:30,910 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-14 23:21:31,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088292721] [2019-10-14 23:21:31,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:31,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:21:31,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154788152] [2019-10-14 23:21:31,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:21:31,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:31,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:21:31,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:31,423 INFO L87 Difference]: Start difference. First operand 926 states. Second operand 13 states. [2019-10-14 23:21:32,572 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:21:32,888 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:21:34,357 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2019-10-14 23:21:35,431 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2019-10-14 23:21:35,801 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:21:36,051 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:21:36,358 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:38,458 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-10-14 23:22:03,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:03,601 INFO L93 Difference]: Finished difference Result 1971 states and 3358 transitions. [2019-10-14 23:22:03,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:22:03,603 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 119 [2019-10-14 23:22:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:03,638 INFO L225 Difference]: With dead ends: 1971 [2019-10-14 23:22:03,638 INFO L226 Difference]: Without dead ends: 1218 [2019-10-14 23:22:03,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2019-10-14 23:22:03,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2019-10-14 23:22:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 754. [2019-10-14 23:22:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2019-10-14 23:22:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1165 transitions. [2019-10-14 23:22:04,009 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1165 transitions. Word has length 119 [2019-10-14 23:22:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:04,010 INFO L462 AbstractCegarLoop]: Abstraction has 754 states and 1165 transitions. [2019-10-14 23:22:04,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:22:04,011 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1165 transitions. [2019-10-14 23:22:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-14 23:22:04,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:04,016 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:04,017 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:04,017 INFO L82 PathProgramCache]: Analyzing trace with hash -232939241, now seen corresponding path program 1 times [2019-10-14 23:22:04,017 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:04,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160664957] [2019-10-14 23:22:04,018 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:04,018 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:04,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat