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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:48,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:48,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:48,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:48,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:48,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:48,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:48,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:48,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:48,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:48,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:48,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:48,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:48,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:48,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:48,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:48,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:48,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:48,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:48,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:48,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:48,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:48,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:48,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:48,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:48,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:48,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:48,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:48,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:48,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:48,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:48,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:48,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:48,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:48,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:48,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:48,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:48,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:48,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:48,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:48,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:48,413 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 23:22:48,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:48,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:48,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:48,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:48,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:48,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:48,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:48,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:48,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:48,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:48,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:48,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:48,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:48,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:48,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:48,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:48,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:48,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:48,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:48,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:48,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:48,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:48,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:48,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:48,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:48,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:48,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:48,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:48,743 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:48,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-10-14 23:22:48,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595cfd338/c76fe2f4ac8542ad81765d77431bbd00/FLAG155cf91d4 [2019-10-14 23:22:49,531 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:49,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-10-14 23:22:49,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595cfd338/c76fe2f4ac8542ad81765d77431bbd00/FLAG155cf91d4 [2019-10-14 23:22:49,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595cfd338/c76fe2f4ac8542ad81765d77431bbd00 [2019-10-14 23:22:49,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:49,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:49,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:49,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:49,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:49,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:49" (1/1) ... [2019-10-14 23:22:49,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d8693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:49, skipping insertion in model container [2019-10-14 23:22:49,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:49" (1/1) ... [2019-10-14 23:22:49,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:49,780 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:50,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:50,564 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:50,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:50,733 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:50,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50 WrapperNode [2019-10-14 23:22:50,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:50,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:50,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:50,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:50,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (1/1) ... [2019-10-14 23:22:50,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:50,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:50,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:50,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:50,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (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 23:22:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:22:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:22:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:22:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:22:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:51,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:51,017 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:51,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-14 23:22:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-14 23:22:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-14 23:22:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-14 23:22:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:53,421 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:53,421 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:53,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:53 BoogieIcfgContainer [2019-10-14 23:22:53,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:53,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:53,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:53,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:53,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:49" (1/3) ... [2019-10-14 23:22:53,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f46e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:53, skipping insertion in model container [2019-10-14 23:22:53,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:50" (2/3) ... [2019-10-14 23:22:53,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f46e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:53, skipping insertion in model container [2019-10-14 23:22:53,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:53" (3/3) ... [2019-10-14 23:22:53,433 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2019-10-14 23:22:53,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:53,458 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:53,470 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:53,523 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:53,523 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:53,523 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:53,523 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:53,524 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:53,524 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:53,524 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:53,524 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-10-14 23:22:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-14 23:22:53,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:53,597 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:53,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:53,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:53,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1728086077, now seen corresponding path program 1 times [2019-10-14 23:22:53,614 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:53,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592502245] [2019-10-14 23:22:53,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:53,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:53,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,149 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:22:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,447 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:22:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,652 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:22:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:22:55,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592502245] [2019-10-14 23:22:55,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:55,957 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:22:55,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476688763] [2019-10-14 23:22:55,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:22:55,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:55,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:22:55,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:22:55,979 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2019-10-14 23:22:56,846 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:22:57,809 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:22:58,671 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:23:00,339 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:23:01,450 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:23:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:16,913 INFO L93 Difference]: Finished difference Result 1717 states and 3040 transitions. [2019-10-14 23:23:16,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:23:16,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-10-14 23:23:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:16,949 INFO L225 Difference]: With dead ends: 1717 [2019-10-14 23:23:16,950 INFO L226 Difference]: Without dead ends: 1117 [2019-10-14 23:23:16,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:23:16,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2019-10-14 23:23:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2019-10-14 23:23:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-14 23:23:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2019-10-14 23:23:17,257 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 109 [2019-10-14 23:23:17,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:17,258 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2019-10-14 23:23:17,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:23:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2019-10-14 23:23:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-14 23:23:17,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:17,279 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:23:17,280 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:17,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1757589142, now seen corresponding path program 1 times [2019-10-14 23:23:17,283 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:17,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338997429] [2019-10-14 23:23:17,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:17,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:17,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,299 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:23:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,629 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:23:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,781 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:23:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:23:19,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338997429] [2019-10-14 23:23:19,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:19,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:23:19,100 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956588807] [2019-10-14 23:23:19,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:23:19,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:19,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:23:19,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:23:19,103 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 13 states. [2019-10-14 23:23:21,703 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:23:22,542 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:23:24,633 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:23:25,797 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2019-10-14 23:23:26,161 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-14 23:23:26,990 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:23:27,289 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-14 23:23:28,102 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:23:29,650 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121