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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:20,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:20,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:20,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:20,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:20,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:20,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:20,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:20,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:20,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:20,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:20,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:20,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:20,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:20,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:20,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:20,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:20,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:20,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:20,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:20,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:20,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:20,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:20,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:20,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:20,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:20,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:20,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:20,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:20,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:20,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:20,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:20,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:20,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:20,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:20,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:20,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:20,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:20,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:20,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:20,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:20,621 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 23:21:20,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:20,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:20,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:20,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:20,637 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:20,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:20,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:20,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:20,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:20,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:20,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:20,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:20,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:20,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:20,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:20,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:20,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:20,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:20,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:20,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:20,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:20,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:20,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:20,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:20,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:20,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:20,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:20,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:20,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:20,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:20,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:20,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:20,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:20,926 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:20,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2019-10-14 23:21:21,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733408f47/122a218b02ff49bd805354867abbd07c/FLAG5f14aadbe [2019-10-14 23:21:21,671 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:21,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2019-10-14 23:21:21,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733408f47/122a218b02ff49bd805354867abbd07c/FLAG5f14aadbe [2019-10-14 23:21:21,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733408f47/122a218b02ff49bd805354867abbd07c [2019-10-14 23:21:21,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:21,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:21,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:21,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:21,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:21,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21, skipping insertion in model container [2019-10-14 23:21:21,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:21,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:22,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:22,702 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:22,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:22,925 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:22,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22 WrapperNode [2019-10-14 23:21:22,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:22,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:22,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:22,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:22,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:23,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:23,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:23,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:23,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:23,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:23,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:23,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (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 23:21:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:25,598 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:25,598 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:25,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:25 BoogieIcfgContainer [2019-10-14 23:21:25,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:25,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:25,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:25,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:25,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:21" (1/3) ... [2019-10-14 23:21:25,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578374f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:25, skipping insertion in model container [2019-10-14 23:21:25,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (2/3) ... [2019-10-14 23:21:25,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578374f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:25, skipping insertion in model container [2019-10-14 23:21:25,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:25" (3/3) ... [2019-10-14 23:21:25,611 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product31.cil.c [2019-10-14 23:21:25,623 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:25,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:25,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:25,696 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:25,696 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:25,696 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:25,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:25,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:25,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:25,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:25,697 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states. [2019-10-14 23:21:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-14 23:21:25,776 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:25,778 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:25,783 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:25,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:25,789 INFO L82 PathProgramCache]: Analyzing trace with hash 841338012, now seen corresponding path program 1 times [2019-10-14 23:21:25,798 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:25,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100206524] [2019-10-14 23:21:25,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:25,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:25,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,342 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,641 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,898 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:21:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:28,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100206524] [2019-10-14 23:21:28,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:28,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:28,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129625206] [2019-10-14 23:21:28,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:28,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:28,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:28,296 INFO L87 Difference]: Start difference. First operand 817 states. Second operand 10 states. [2019-10-14 23:21:29,390 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:30,403 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:31,307 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:33,157 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:38,809 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:52,357 INFO L93 Difference]: Finished difference Result 1853 states and 3228 transitions. [2019-10-14 23:21:52,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:52,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-14 23:21:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:52,407 INFO L225 Difference]: With dead ends: 1853 [2019-10-14 23:21:52,407 INFO L226 Difference]: Without dead ends: 1185 [2019-10-14 23:21:52,420 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-14 23:21:52,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 657. [2019-10-14 23:21:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-14 23:21:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1039 transitions. [2019-10-14 23:21:52,741 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1039 transitions. Word has length 133 [2019-10-14 23:21:52,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:52,741 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 1039 transitions. [2019-10-14 23:21:52,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1039 transitions. [2019-10-14 23:21:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:21:52,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:52,750 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:52,751 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:52,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:52,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1822294424, now seen corresponding path program 1 times [2019-10-14 23:21:52,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:52,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412081510] [2019-10-14 23:21:52,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:52,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:52,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,758 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,011 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:54,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412081510] [2019-10-14 23:21:54,505 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:54,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:54,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522531585] [2019-10-14 23:21:54,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:54,524 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:54,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:54,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:54,525 INFO L87 Difference]: Start difference. First operand 657 states and 1039 transitions. Second operand 10 states. [2019-10-14 23:21:55,455 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:56,377 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:57,196 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:58,775 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127