java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:23:21,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:23:21,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:23:21,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:23:21,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:23:21,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:23:21,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:23:21,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:23:21,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:23:21,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:23:21,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:23:21,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:23:21,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:23:21,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:23:21,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:23:21,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:23:21,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:23:21,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:23:21,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:23:21,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:23:21,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:23:21,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:23:21,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:23:21,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:23:21,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:23:21,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:23:21,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:23:21,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:23:21,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:23:21,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:23:21,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:23:21,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:23:21,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:23:21,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:23:21,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:23:21,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:23:21,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:23:21,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:23:21,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:23:21,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:23:21,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:23:21,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:23:21,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:23:21,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:23:21,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:23:21,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:23:21,459 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:23:21,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:23:21,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:23:21,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:23:21,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:23:21,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:23:21,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:23:21,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:23:21,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:23:21,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:23:21,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:23:21,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:23:21,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:23:21,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:23:21,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:23:21,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:23:21,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:23:21,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:21,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:23:21,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:23:21,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:23:21,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:23:21,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:23:21,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:23:21,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:23:21,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:23:21,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:23:21,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:23:21,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:23:21,773 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:23:21,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c [2019-10-14 23:23:21,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc6c647/6a48fcad8ae04e80a2e9d4d890b1dabd/FLAGa988bcbee [2019-10-14 23:23:22,526 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:23:22,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_productSimulator.cil.c [2019-10-14 23:23:22,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc6c647/6a48fcad8ae04e80a2e9d4d890b1dabd/FLAGa988bcbee [2019-10-14 23:23:22,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc6c647/6a48fcad8ae04e80a2e9d4d890b1dabd [2019-10-14 23:23:22,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:23:22,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:23:22,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:22,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:23:22,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:23:22,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:22" (1/1) ... [2019-10-14 23:23:22,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:22, skipping insertion in model container [2019-10-14 23:23:22,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:22" (1/1) ... [2019-10-14 23:23:22,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:23:22,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:23:23,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:23,535 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:23:23,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:23,837 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:23:23,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23 WrapperNode [2019-10-14 23:23:23,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:23,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:23:23,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:23:23,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:23:23,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:23,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:23,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:23,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:24,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:24,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:24,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... [2019-10-14 23:23:24,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:23:24,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:23:24,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:23:24,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:23:24,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:23:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:23:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:23:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:23:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:23:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:23:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:23:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:23:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:23:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:23:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:23:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:23:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:23:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:23:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:23:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:23:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:23:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:23:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:23:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:23:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-10-14 23:23:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:23:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:23:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-10-14 23:23:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-14 23:23:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-10-14 23:23:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-10-14 23:23:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:23:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-10-14 23:23:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-10-14 23:23:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:23:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:23:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:23:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:23:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:23:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:23:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:23:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:23:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:23:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:23:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:23:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:23:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:23:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:23:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:23:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:23:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:23:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:23:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:23:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:23:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:23:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:23:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:23:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:23:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:23:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:23:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:23:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:23:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:23:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:23:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:23:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-10-14 23:23:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-10-14 23:23:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-10-14 23:23:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-10-14 23:23:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-10-14 23:23:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:23:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:23:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:23:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-14 23:23:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-14 23:23:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-10-14 23:23:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-14 23:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-10-14 23:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-10-14 23:23:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-10-14 23:23:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:23:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:23:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:23:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:23:26,658 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:23:26,659 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:23:26,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:26 BoogieIcfgContainer [2019-10-14 23:23:26,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:23:26,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:23:26,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:23:26,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:23:26,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:23:22" (1/3) ... [2019-10-14 23:23:26,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be71833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:26, skipping insertion in model container [2019-10-14 23:23:26,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:23" (2/3) ... [2019-10-14 23:23:26,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be71833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:26, skipping insertion in model container [2019-10-14 23:23:26,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:26" (3/3) ... [2019-10-14 23:23:26,673 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_productSimulator.cil.c [2019-10-14 23:23:26,685 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:23:26,699 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:23:26,713 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:23:26,754 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:23:26,755 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:23:26,755 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:23:26,755 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:23:26,756 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:23:26,756 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:23:26,756 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:23:26,756 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:23:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states. [2019-10-14 23:23:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-14 23:23:26,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:26,888 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:23:26,894 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:26,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1751171414, now seen corresponding path program 1 times [2019-10-14 23:23:26,909 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:26,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279819415] [2019-10-14 23:23:26,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:26,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:26,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,627 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 421 [2019-10-14 23:23:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,110 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:23:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,282 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:23:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-14 23:23:29,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279819415] [2019-10-14 23:23:29,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:29,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:23:29,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038247452] [2019-10-14 23:23:29,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:23:29,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:29,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:23:29,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:23:29,615 INFO L87 Difference]: Start difference. First operand 916 states. Second operand 13 states. [2019-10-14 23:23:31,232 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:23:31,616 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:23:32,991 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2019-10-14 23:23:34,117 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 428 [2019-10-14 23:23:34,449 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:23:34,723 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:23:35,054 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:23:37,405 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-10-14 23:24:03,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:03,571 INFO L93 Difference]: Finished difference Result 1952 states and 3327 transitions. [2019-10-14 23:24:03,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:24:03,573 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2019-10-14 23:24:03,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:03,611 INFO L225 Difference]: With dead ends: 1952 [2019-10-14 23:24:03,611 INFO L226 Difference]: Without dead ends: 1208 [2019-10-14 23:24:03,627 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2019-10-14 23:24:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2019-10-14 23:24:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 744. [2019-10-14 23:24:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2019-10-14 23:24:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1149 transitions. [2019-10-14 23:24:03,929 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1149 transitions. Word has length 120 [2019-10-14 23:24:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:03,929 INFO L462 AbstractCegarLoop]: Abstraction has 744 states and 1149 transitions. [2019-10-14 23:24:03,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:24:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1149 transitions. [2019-10-14 23:24:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-14 23:24:03,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:03,936 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:03,936 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash 490428433, now seen corresponding path program 1 times [2019-10-14 23:24:03,937 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:03,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816425625] [2019-10-14 23:24:03,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:03,937 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:03,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat