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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:22:03,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:22:03,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:22:04,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:22:04,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:22:04,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:22:04,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:22:04,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:22:04,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:22:04,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:22:04,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:22:04,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:22:04,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:22:04,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:22:04,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:22:04,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:22:04,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:22:04,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:22:04,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:22:04,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:22:04,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:22:04,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:22:04,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:22:04,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:22:04,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:22:04,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:22:04,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:22:04,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:22:04,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:22:04,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:22:04,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:22:04,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:22:04,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:22:04,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:22:04,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:22:04,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:22:04,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:22:04,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:22:04,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:22:04,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:22:04,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:22:04,079 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 19:22:04,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:22:04,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:22:04,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:22:04,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:22:04,095 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:22:04,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:22:04,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:22:04,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:22:04,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:22:04,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:22:04,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:22:04,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:22:04,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:22:04,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:22:04,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:22:04,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:22:04,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:04,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:22:04,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:22:04,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:22:04,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:22:04,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:22:04,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:22:04,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:22:04,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:22:04,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:22:04,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:22:04,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:22:04,422 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:22:04,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product22.cil.c [2019-10-13 19:22:04,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8905931/ae846869cc8e4ee7a386495a43ef0eae/FLAG1faa5fb49 [2019-10-13 19:22:05,150 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:22:05,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product22.cil.c [2019-10-13 19:22:05,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8905931/ae846869cc8e4ee7a386495a43ef0eae/FLAG1faa5fb49 [2019-10-13 19:22:05,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a8905931/ae846869cc8e4ee7a386495a43ef0eae [2019-10-13 19:22:05,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:22:05,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:22:05,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:05,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:22:05,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:22:05,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:05" (1/1) ... [2019-10-13 19:22:05,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:05, skipping insertion in model container [2019-10-13 19:22:05,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:05" (1/1) ... [2019-10-13 19:22:05,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:22:05,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:22:06,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:06,224 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:22:06,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:06,405 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:22:06,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06 WrapperNode [2019-10-13 19:22:06,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:06,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:22:06,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:22:06,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:22:06,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (1/1) ... [2019-10-13 19:22:06,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:22:06,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:22:06,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:22:06,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:22:06,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (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 19:22:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:22:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:22:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:22:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:22:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:22:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:22:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:22:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:22:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:22:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:22:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:22:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:22:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:22:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:22:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:22:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:22:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:22:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:22:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:22:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:22:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:22:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:22:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:22:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:22:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:22:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:22:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:22:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:22:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:22:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:22:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:22:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:22:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:22:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:22:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:22:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:22:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:22:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:22:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:22:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:22:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:22:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:22:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:22:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:22:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:22:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:22:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:22:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:22:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:22:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:22:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:22:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:22:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:22:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:22:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:22:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:22:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:22:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:22:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:22:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:22:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:22:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:22:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:22:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:22:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-13 19:22:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:22:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:22:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:22:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:22:09,315 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:22:09,316 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:22:09,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:09 BoogieIcfgContainer [2019-10-13 19:22:09,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:22:09,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:22:09,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:22:09,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:22:09,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:05" (1/3) ... [2019-10-13 19:22:09,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354e9fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:09, skipping insertion in model container [2019-10-13 19:22:09,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:06" (2/3) ... [2019-10-13 19:22:09,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354e9fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:09, skipping insertion in model container [2019-10-13 19:22:09,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:09" (3/3) ... [2019-10-13 19:22:09,327 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product22.cil.c [2019-10-13 19:22:09,339 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:22:09,350 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:22:09,363 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:22:09,409 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:22:09,409 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:22:09,409 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:22:09,409 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:22:09,410 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:22:09,410 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:22:09,410 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:22:09,410 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:22:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states. [2019-10-13 19:22:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 19:22:09,490 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:09,492 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 19:22:09,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1360016176, now seen corresponding path program 1 times [2019-10-13 19:22:09,514 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:09,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92791465] [2019-10-13 19:22:09,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:09,515 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:09,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,298 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 397 [2019-10-13 19:22:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,658 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:22:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,085 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 19:22:12,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92791465] [2019-10-13 19:22:12,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:12,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:22:12,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498038739] [2019-10-13 19:22:12,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:22:12,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:12,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:22:12,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:22:12,111 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 9 states. [2019-10-13 19:22:14,072 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:22:15,046 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-13 19:22:16,512 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:33,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:33,127 INFO L93 Difference]: Finished difference Result 1678 states and 2914 transitions. [2019-10-13 19:22:33,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:22:33,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-13 19:22:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:33,167 INFO L225 Difference]: With dead ends: 1678 [2019-10-13 19:22:33,167 INFO L226 Difference]: Without dead ends: 1060 [2019-10-13 19:22:33,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:22:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2019-10-13 19:22:33,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 622. [2019-10-13 19:22:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-10-13 19:22:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 993 transitions. [2019-10-13 19:22:33,449 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 993 transitions. Word has length 85 [2019-10-13 19:22:33,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:33,450 INFO L462 AbstractCegarLoop]: Abstraction has 622 states and 993 transitions. [2019-10-13 19:22:33,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:22:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 993 transitions. [2019-10-13 19:22:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:22:33,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:33,455 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 19:22:33,456 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:33,456 INFO L82 PathProgramCache]: Analyzing trace with hash 372991960, now seen corresponding path program 1 times [2019-10-13 19:22:33,457 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:33,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051443785] [2019-10-13 19:22:33,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:33,457 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:33,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,439 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-13 19:22:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,694 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:22:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:35,072 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 19:22:35,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051443785] [2019-10-13 19:22:35,073 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:35,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:22:35,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613435497] [2019-10-13 19:22:35,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:22:35,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:35,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:22:35,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:22:35,091 INFO L87 Difference]: Start difference. First operand 622 states and 993 transitions. Second operand 9 states. [2019-10-13 19:22:37,171 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-13 19:22:38,050 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-13 19:22:39,522 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121