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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:14,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:14,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:14,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:14,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:14,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:14,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:14,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:14,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:14,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:14,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:14,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:14,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:14,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:14,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:14,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:14,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:14,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:14,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:14,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:14,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:14,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:14,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:14,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:14,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:14,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:14,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:14,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:14,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:14,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:14,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:14,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:14,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:14,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:14,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:14,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:14,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:14,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:14,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:14,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:14,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:14,795 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 19:23:14,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:14,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:14,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:14,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:14,810 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:14,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:14,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:14,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:14,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:14,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:14,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:14,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:14,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:14,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:14,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:14,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:14,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:14,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:14,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:14,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:14,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:14,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:14,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:14,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:15,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:15,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:15,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:15,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:15,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:15,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2019-10-13 19:23:15,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7e93a90/8f8aa6c0f8634d59ab3084d173b3a9a7/FLAG86becb399 [2019-10-13 19:23:15,826 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:15,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c [2019-10-13 19:23:15,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7e93a90/8f8aa6c0f8634d59ab3084d173b3a9a7/FLAG86becb399 [2019-10-13 19:23:16,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7e93a90/8f8aa6c0f8634d59ab3084d173b3a9a7 [2019-10-13 19:23:16,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:16,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:16,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:16,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:16,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:16,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:16" (1/1) ... [2019-10-13 19:23:16,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c301fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:16, skipping insertion in model container [2019-10-13 19:23:16,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:16" (1/1) ... [2019-10-13 19:23:16,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:16,160 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:16,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:16,854 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:17,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:17,069 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:17,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17 WrapperNode [2019-10-13 19:23:17,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:17,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:17,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:17,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:17,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (1/1) ... [2019-10-13 19:23:17,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:17,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:17,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:17,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:17,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (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 19:23:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:23:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:23:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:20,071 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:20,071 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:20,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:20 BoogieIcfgContainer [2019-10-13 19:23:20,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:20,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:20,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:20,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:20,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:16" (1/3) ... [2019-10-13 19:23:20,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6a642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:20, skipping insertion in model container [2019-10-13 19:23:20,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:17" (2/3) ... [2019-10-13 19:23:20,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6a642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:20, skipping insertion in model container [2019-10-13 19:23:20,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:20" (3/3) ... [2019-10-13 19:23:20,083 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product28.cil.c [2019-10-13 19:23:20,094 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:20,107 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:20,119 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:20,168 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:20,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:20,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:20,169 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:20,169 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:20,169 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:20,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:20,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states. [2019-10-13 19:23:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 19:23:20,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:20,237 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:20,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:20,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:20,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1927707397, now seen corresponding path program 1 times [2019-10-13 19:23:20,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:20,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95257828] [2019-10-13 19:23:20,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:20,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:20,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:21,930 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,184 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,370 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:22,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95257828] [2019-10-13 19:23:22,632 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:22,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:23:22,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765723310] [2019-10-13 19:23:22,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:23:22,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:22,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:23:22,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:23:22,653 INFO L87 Difference]: Start difference. First operand 825 states. Second operand 12 states. [2019-10-13 19:23:23,941 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:25,080 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:26,203 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:27,226 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:28,412 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:29,464 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:23:32,753 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:51,777 INFO L93 Difference]: Finished difference Result 1658 states and 2850 transitions. [2019-10-13 19:23:51,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:23:51,780 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-13 19:23:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:51,815 INFO L225 Difference]: With dead ends: 1658 [2019-10-13 19:23:51,816 INFO L226 Difference]: Without dead ends: 1000 [2019-10-13 19:23:51,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-13 19:23:51,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2019-10-13 19:23:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 664. [2019-10-13 19:23:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2019-10-13 19:23:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1050 transitions. [2019-10-13 19:23:52,209 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1050 transitions. Word has length 93 [2019-10-13 19:23:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:52,210 INFO L462 AbstractCegarLoop]: Abstraction has 664 states and 1050 transitions. [2019-10-13 19:23:52,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:23:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1050 transitions. [2019-10-13 19:23:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:23:52,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:52,216 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:52,216 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:52,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:52,217 INFO L82 PathProgramCache]: Analyzing trace with hash -385946519, now seen corresponding path program 1 times [2019-10-13 19:23:52,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:52,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050869119] [2019-10-13 19:23:52,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:52,218 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:52,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,264 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,492 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,632 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:53,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050869119] [2019-10-13 19:23:53,824 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:53,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:23:53,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712544106] [2019-10-13 19:23:53,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:23:53,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:53,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:23:53,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:23:53,838 INFO L87 Difference]: Start difference. First operand 664 states and 1050 transitions. Second operand 9 states. [2019-10-13 19:23:54,629 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:55,694 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:56,667 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 394