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_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:37,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:37,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:37,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:37,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:37,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:37,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:37,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:37,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:37,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:37,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:37,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:37,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:37,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:37,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:37,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:37,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:37,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:37,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:37,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:37,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:37,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:37,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:37,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:37,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:37,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:37,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:37,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:37,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:37,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:37,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:37,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:37,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:37,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:37,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:37,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:37,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:37,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:37,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:37,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:37,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:37,428 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 19:23:37,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:37,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:37,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:37,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:37,446 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:37,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:37,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:37,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:37,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:37,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:37,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:37,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:37,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:37,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:37,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:37,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:37,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:37,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:37,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:37,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:37,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:37,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:37,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:37,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:37,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:37,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:37,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:37,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:37,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:37,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:37,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:37,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:37,755 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:37,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2019-10-13 19:23:37,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f320e5600/c63f7387b2fa4f52819ded649c51630c/FLAG781465baf [2019-10-13 19:23:38,486 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:38,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2019-10-13 19:23:38,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f320e5600/c63f7387b2fa4f52819ded649c51630c/FLAG781465baf [2019-10-13 19:23:38,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f320e5600/c63f7387b2fa4f52819ded649c51630c [2019-10-13 19:23:38,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:38,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:38,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:38,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:38,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:38,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:38" (1/1) ... [2019-10-13 19:23:38,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259a0832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:38, skipping insertion in model container [2019-10-13 19:23:38,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:38" (1/1) ... [2019-10-13 19:23:38,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:38,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:39,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:39,496 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:39,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:39,747 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39 WrapperNode [2019-10-13 19:23:39,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:39,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:39,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:39,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:39,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:39,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:39,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:39,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:39,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (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 19:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:40,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:40,042 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:23:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:23:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:42,662 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:42,662 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:42,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:42 BoogieIcfgContainer [2019-10-13 19:23:42,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:42,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:42,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:42,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:42,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:38" (1/3) ... [2019-10-13 19:23:42,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e0033e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:42, skipping insertion in model container [2019-10-13 19:23:42,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39" (2/3) ... [2019-10-13 19:23:42,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e0033e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:42, skipping insertion in model container [2019-10-13 19:23:42,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:42" (3/3) ... [2019-10-13 19:23:42,673 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product32.cil.c [2019-10-13 19:23:42,684 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:42,694 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:42,705 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:42,747 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:42,747 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:42,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:42,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:42,747 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:42,748 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:42,748 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:42,748 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states. [2019-10-13 19:23:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 19:23:42,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:42,822 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:42,826 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:42,833 INFO L82 PathProgramCache]: Analyzing trace with hash 250994397, now seen corresponding path program 1 times [2019-10-13 19:23:42,843 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:42,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261172876] [2019-10-13 19:23:42,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:42,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:42,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,556 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,768 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:45,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261172876] [2019-10-13 19:23:45,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:45,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:23:45,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705320193] [2019-10-13 19:23:45,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:23:45,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:45,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:23:45,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:23:45,282 INFO L87 Difference]: Start difference. First operand 856 states. Second operand 12 states. [2019-10-13 19:23:47,717 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:48,610 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:49,480 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:50,487 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:51,425 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:23:54,959 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:24:13,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:13,409 INFO L93 Difference]: Finished difference Result 1720 states and 2936 transitions. [2019-10-13 19:24:13,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:24:13,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-13 19:24:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:13,451 INFO L225 Difference]: With dead ends: 1720 [2019-10-13 19:24:13,451 INFO L226 Difference]: Without dead ends: 1031 [2019-10-13 19:24:13,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-13 19:24:13,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2019-10-13 19:24:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 695. [2019-10-13 19:24:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2019-10-13 19:24:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1093 transitions. [2019-10-13 19:24:13,826 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1093 transitions. Word has length 93 [2019-10-13 19:24:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:13,827 INFO L462 AbstractCegarLoop]: Abstraction has 695 states and 1093 transitions. [2019-10-13 19:24:13,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:24:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1093 transitions. [2019-10-13 19:24:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:24:13,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:13,841 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:24:13,842 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:13,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:13,842 INFO L82 PathProgramCache]: Analyzing trace with hash -435355313, now seen corresponding path program 1 times [2019-10-13 19:24:13,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:13,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328705368] [2019-10-13 19:24:13,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:13,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:13,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,773 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:24:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,008 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:24:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,178 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:24:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:24:15,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328705368] [2019-10-13 19:24:15,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:15,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:24:15,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078028858] [2019-10-13 19:24:15,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:24:15,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:15,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:24:15,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:24:15,369 INFO L87 Difference]: Start difference. First operand 695 states and 1093 transitions. Second operand 9 states. [2019-10-13 19:24:16,157 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:24:17,029 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:17,826 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 394