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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:22:23,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:22:23,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:22:23,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:22:23,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:22:23,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:22:23,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:22:23,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:22:23,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:22:23,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:22:23,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:22:23,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:22:23,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:22:23,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:22:23,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:22:23,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:22:23,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:22:23,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:22:23,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:22:23,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:22:23,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:22:23,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:22:23,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:22:23,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:22:23,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:22:23,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:22:23,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:22:23,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:22:23,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:22:23,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:22:23,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:22:23,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:22:23,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:22:23,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:22:23,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:22:23,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:22:23,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:22:23,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:22:23,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:22:23,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:22:23,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:22:23,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:22:23,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:22:23,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:22:23,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:22:23,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:22:23,347 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:22:23,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:22:23,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:22:23,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:22:23,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:22:23,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:22:23,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:22:23,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:22:23,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:22:23,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:22:23,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:22:23,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:22:23,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:22:23,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:22:23,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:22:23,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:22:23,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:22:23,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:23,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:22:23,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:22:23,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:22:23,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:22:23,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:22:23,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:22:23,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:22:23,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:22:23,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:22:23,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:22:23,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:22:23,665 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:22:23,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-13 19:22:23,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccb11f01/8906492adc52453dbf5f892667e9e46a/FLAGc9f645699 [2019-10-13 19:22:24,415 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:22:24,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-13 19:22:24,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccb11f01/8906492adc52453dbf5f892667e9e46a/FLAGc9f645699 [2019-10-13 19:22:24,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccb11f01/8906492adc52453dbf5f892667e9e46a [2019-10-13 19:22:24,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:22:24,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:22:24,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:24,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:22:24,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:22:24,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:24" (1/1) ... [2019-10-13 19:22:24,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebb8931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:24, skipping insertion in model container [2019-10-13 19:22:24,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:24" (1/1) ... [2019-10-13 19:22:24,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:22:24,699 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:22:25,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:25,424 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:22:25,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:25,685 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:22:25,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25 WrapperNode [2019-10-13 19:22:25,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:25,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:22:25,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:22:25,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:22:25,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (1/1) ... [2019-10-13 19:22:25,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:22:25,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:22:25,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:22:25,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:22:25,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (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 [2019-10-13 19:22:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:22:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:22:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:22:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:22:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:22:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:22:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:22:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:22:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:22:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:22:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:22:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:22:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:22:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:22:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:22:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:22:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:22:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:22:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:22:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:22:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:22:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:22:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:22:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:22:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:22:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:22:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:22:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:22:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:22:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:22:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:22:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:22:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:22:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:22:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:22:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:22:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:22:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:22:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:22:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:22:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:22:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:22:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:22:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:22:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:22:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:22:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:22:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:22:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:22:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:22:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:22:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:22:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:22:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:22:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:22:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:22:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:22:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:22:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:22:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:22:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:22:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:22:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:22:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:22:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:22:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:22:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:22:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:22:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:22:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:22:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:22:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:22:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:22:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:22:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:22:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:22:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:22:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:22:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:22:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:22:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:22:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:22:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:22:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:22:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:22:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:22:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:22:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:22:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:22:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:22:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:22:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:22:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:22:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:22:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:22:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:22:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:22:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:22:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:22:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:22:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:22:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:22:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:22:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:22:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:22:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:22:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:22:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:22:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:22:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:22:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:22:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:22:28,374 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:22:28,374 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:22:28,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:28 BoogieIcfgContainer [2019-10-13 19:22:28,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:22:28,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:22:28,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:22:28,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:22:28,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:24" (1/3) ... [2019-10-13 19:22:28,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f045b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:28, skipping insertion in model container [2019-10-13 19:22:28,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:25" (2/3) ... [2019-10-13 19:22:28,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f045b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:28, skipping insertion in model container [2019-10-13 19:22:28,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:28" (3/3) ... [2019-10-13 19:22:28,386 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product32.cil.c [2019-10-13 19:22:28,397 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:22:28,408 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:22:28,420 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:22:28,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:22:28,453 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:22:28,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:22:28,454 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:22:28,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:22:28,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:22:28,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:22:28,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:22:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states. [2019-10-13 19:22:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 19:22:28,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:28,504 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:28,507 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:28,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2061998394, now seen corresponding path program 1 times [2019-10-13 19:22:28,522 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:28,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981023378] [2019-10-13 19:22:28,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:28,523 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:28,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,185 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:22:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,514 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:22:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,712 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:22:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:30,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981023378] [2019-10-13 19:22:30,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:30,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:22:30,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674352998] [2019-10-13 19:22:30,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:22:30,993 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:31,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:22:31,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:22:31,010 INFO L87 Difference]: Start difference. First operand 833 states. Second operand 9 states. [2019-10-13 19:22:32,695 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-13 19:22:33,601 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-13 19:22:35,025 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:53,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:53,065 INFO L93 Difference]: Finished difference Result 1766 states and 3032 transitions. [2019-10-13 19:22:53,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:22:53,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-13 19:22:53,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:53,106 INFO L225 Difference]: With dead ends: 1766 [2019-10-13 19:22:53,106 INFO L226 Difference]: Without dead ends: 1104 [2019-10-13 19:22:53,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:22:53,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2019-10-13 19:22:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 666. [2019-10-13 19:22:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-13 19:22:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1052 transitions. [2019-10-13 19:22:53,408 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1052 transitions. Word has length 85 [2019-10-13 19:22:53,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:53,408 INFO L462 AbstractCegarLoop]: Abstraction has 666 states and 1052 transitions. [2019-10-13 19:22:53,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:22:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1052 transitions. [2019-10-13 19:22:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:22:53,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:53,415 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:53,415 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:53,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:53,416 INFO L82 PathProgramCache]: Analyzing trace with hash 190887692, now seen corresponding path program 1 times [2019-10-13 19:22:53,416 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:53,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656161322] [2019-10-13 19:22:53,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:53,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:53,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,435 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:22:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,726 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:22:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,923 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:22:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:55,133 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656161322] [2019-10-13 19:22:55,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:55,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:22:55,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389823330] [2019-10-13 19:22:55,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:22:55,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:55,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:22:55,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:22:55,148 INFO L87 Difference]: Start difference. First operand 666 states and 1052 transitions. Second operand 9 states. [2019-10-13 19:22:56,937 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-10-13 19:22:57,858 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-10-13 19:22:59,207 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121