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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:31,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:31,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:31,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:31,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:31,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:31,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:31,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:31,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:31,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:31,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:31,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:31,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:31,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:31,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:31,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:31,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:31,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:31,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:31,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:31,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:31,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:31,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:31,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:31,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:31,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:31,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:31,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:31,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:31,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:31,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:31,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:31,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:31,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:31,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:31,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:31,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:31,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:31,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:31,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:31,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:31,872 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 19:23:31,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:31,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:31,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:31,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:31,890 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:31,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:31,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:31,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:31,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:31,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:31,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:31,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:31,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:31,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:31,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:31,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:31,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:31,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:31,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:31,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:31,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:31,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:31,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:31,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:31,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:31,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:31,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:31,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:31,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:32,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:32,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:32,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:32,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:32,255 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:32,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product29.cil.c [2019-10-13 19:23:32,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef07fc9c/ca9d118d42e84d9897a4b3d119d8f697/FLAG8b9bbaf67 [2019-10-13 19:23:33,011 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:33,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product29.cil.c [2019-10-13 19:23:33,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef07fc9c/ca9d118d42e84d9897a4b3d119d8f697/FLAG8b9bbaf67 [2019-10-13 19:23:33,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef07fc9c/ca9d118d42e84d9897a4b3d119d8f697 [2019-10-13 19:23:33,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:33,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:33,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:33,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:33,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:33,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:33" (1/1) ... [2019-10-13 19:23:33,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170c7fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:33, skipping insertion in model container [2019-10-13 19:23:33,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:33" (1/1) ... [2019-10-13 19:23:33,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:33,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:34,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:34,215 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:34,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:34,426 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:34,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34 WrapperNode [2019-10-13 19:23:34,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:34,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:34,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:34,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:34,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (1/1) ... [2019-10-13 19:23:34,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:34,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:34,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:34,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:34,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (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 19:23:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:34,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:34,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:34,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:34,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:34,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:34,767 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:34,768 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:34,769 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:34,775 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:37,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:37,223 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:37 BoogieIcfgContainer [2019-10-13 19:23:37,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:37,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:37,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:37,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:37,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:33" (1/3) ... [2019-10-13 19:23:37,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12981e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:37, skipping insertion in model container [2019-10-13 19:23:37,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34" (2/3) ... [2019-10-13 19:23:37,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12981e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:37, skipping insertion in model container [2019-10-13 19:23:37,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:37" (3/3) ... [2019-10-13 19:23:37,235 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product29.cil.c [2019-10-13 19:23:37,247 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:37,257 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:37,269 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:37,302 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:37,303 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:37,303 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:37,303 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:37,303 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:37,303 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:37,304 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:37,304 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2019-10-13 19:23:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 19:23:37,366 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:37,368 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:37,370 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:37,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:37,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1507991037, now seen corresponding path program 1 times [2019-10-13 19:23:37,386 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:37,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077264622] [2019-10-13 19:23:37,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:37,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:37,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,037 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:23:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,279 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 19:23:39,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077264622] [2019-10-13 19:23:39,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:39,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:23:39,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378293318] [2019-10-13 19:23:39,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:23:39,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:39,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:23:39,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:23:39,902 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 13 states. [2019-10-13 19:23:41,540 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:42,608 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:43,466 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:44,314 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:45,247 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:23:46,069 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:23:50,501 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-13 19:23:54,932 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:23:57,877 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:24:13,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:13,352 INFO L93 Difference]: Finished difference Result 1674 states and 2934 transitions. [2019-10-13 19:24:13,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-13 19:24:13,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2019-10-13 19:24:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:13,397 INFO L225 Difference]: With dead ends: 1674 [2019-10-13 19:24:13,397 INFO L226 Difference]: Without dead ends: 1019 [2019-10-13 19:24:13,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-13 19:24:13,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2019-10-13 19:24:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 655. [2019-10-13 19:24:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-10-13 19:24:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1042 transitions. [2019-10-13 19:24:13,716 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1042 transitions. Word has length 132 [2019-10-13 19:24:13,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:13,717 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 1042 transitions. [2019-10-13 19:24:13,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 19:24:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1042 transitions. [2019-10-13 19:24:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 19:24:13,727 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:13,727 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:24:13,728 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:13,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:13,728 INFO L82 PathProgramCache]: Analyzing trace with hash 740042646, now seen corresponding path program 1 times [2019-10-13 19:24:13,728 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:13,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276786125] [2019-10-13 19:24:13,729 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:13,729 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:13,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,712 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:24:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:14,912 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:24:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat