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_spec14_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:20:12,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:20:12,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:20:12,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:20:12,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:20:12,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:20:12,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:20:12,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:20:12,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:20:12,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:20:12,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:20:12,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:20:12,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:20:12,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:20:12,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:20:12,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:20:12,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:20:12,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:20:12,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:20:12,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:20:12,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:20:12,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:20:12,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:20:12,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:20:12,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:20:12,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:20:12,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:20:12,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:20:12,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:20:12,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:20:12,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:20:12,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:20:12,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:20:12,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:20:12,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:20:12,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:20:12,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:20:12,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:20:12,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:20:12,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:20:12,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:20:12,338 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 19:20:12,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:20:12,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:20:12,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:20:12,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:20:12,359 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:20:12,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:20:12,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:20:12,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:20:12,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:20:12,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:20:12,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:20:12,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:20:12,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:20:12,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:20:12,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:20:12,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:20:12,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:20:12,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:20:12,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:20:12,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:20:12,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:20:12,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:20:12,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:20:12,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:20:12,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:20:12,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:20:12,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:20:12,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:20:12,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:20:12,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:20:12,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:20:12,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:20:12,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:20:12,667 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:20:12,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product23.cil.c [2019-10-13 19:20:12,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45c8bc93/4ef1273bf3f5401d90a37c4d1439ab12/FLAG53c88e235 [2019-10-13 19:20:13,431 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:20:13,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product23.cil.c [2019-10-13 19:20:13,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45c8bc93/4ef1273bf3f5401d90a37c4d1439ab12/FLAG53c88e235 [2019-10-13 19:20:13,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45c8bc93/4ef1273bf3f5401d90a37c4d1439ab12 [2019-10-13 19:20:13,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:20:13,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:20:13,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:13,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:20:13,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:20:13,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:13" (1/1) ... [2019-10-13 19:20:13,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52986215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:13, skipping insertion in model container [2019-10-13 19:20:13,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:13" (1/1) ... [2019-10-13 19:20:13,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:20:13,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:20:14,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:14,434 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:20:14,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:20:14,703 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:20:14,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14 WrapperNode [2019-10-13 19:20:14,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:20:14,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:20:14,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:20:14,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:20:14,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (1/1) ... [2019-10-13 19:20:14,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:20:14,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:20:14,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:20:14,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:20:14,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (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 19:20:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:20:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:20:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:20:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:20:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:20:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:20:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:20:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:20:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:20:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:20:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:20:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:20:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:20:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:20:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:20:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:20:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:20:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:20:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:20:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:20:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:20:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:20:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:20:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:20:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:20:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:20:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:20:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:20:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:20:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:20:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:20:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:20:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:20:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:20:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:20:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:20:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:20:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:20:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:20:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:20:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:20:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:20:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:20:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:20:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:20:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:20:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:20:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:20:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:20:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:20:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:20:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:20:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:20:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:20:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:20:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:20:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:20:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:20:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:20:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:20:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:20:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:20:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:20:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:20:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:20:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:20:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:20:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:20:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:20:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:20:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:20:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:20:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:20:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:20:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:20:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:20:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:20:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:20:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:20:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:20:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:20:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:20:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:20:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:20:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:20:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:20:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:20:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:20:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:20:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:20:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:20:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:20:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:20:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:20:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:20:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:20:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:20:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:20:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:20:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:20:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:20:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:20:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:20:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:20:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:20:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:20:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:20:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:20:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-13 19:20:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:20:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:20:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:20:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:20:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:20:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:20:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:20:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:20:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:20:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:20:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:20:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:20:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:20:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:20:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:20:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:20:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:20:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:20:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:20:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:20:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:20:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:20:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:20:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:20:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:20:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:20:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:20:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:20:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:20:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:20:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:20:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:20:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:20:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:20:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:20:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:20:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:20:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:20:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:20:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:20:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:20:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:20:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:20:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:20:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:20:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:20:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:20:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:20:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:20:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:20:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:20:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:20:17,786 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:20:17,789 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:20:17,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:17 BoogieIcfgContainer [2019-10-13 19:20:17,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:20:17,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:20:17,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:20:17,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:20:17,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:13" (1/3) ... [2019-10-13 19:20:17,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4e9a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:17, skipping insertion in model container [2019-10-13 19:20:17,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:14" (2/3) ... [2019-10-13 19:20:17,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4e9a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:17, skipping insertion in model container [2019-10-13 19:20:17,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:17" (3/3) ... [2019-10-13 19:20:17,803 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product23.cil.c [2019-10-13 19:20:17,814 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:20:17,827 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:20:17,841 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:20:17,891 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:20:17,892 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:20:17,892 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:20:17,892 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:20:17,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:20:17,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:20:17,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:20:17,892 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:20:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2019-10-13 19:20:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:20:17,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:17,979 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:17,982 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:17,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:17,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1117426819, now seen corresponding path program 1 times [2019-10-13 19:20:17,999 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:17,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401615680] [2019-10-13 19:20:17,999 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:18,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:18,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,583 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:20,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401615680] [2019-10-13 19:20:20,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:20,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:20,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549018520] [2019-10-13 19:20:20,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:20,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:20,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:20,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:20,038 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 8 states. [2019-10-13 19:20:21,711 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:22,555 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-10-13 19:20:24,440 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:20:35,811 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:20:42,329 INFO L93 Difference]: Finished difference Result 1562 states and 2666 transitions. [2019-10-13 19:20:42,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 19:20:42,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-10-13 19:20:42,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:20:42,362 INFO L225 Difference]: With dead ends: 1562 [2019-10-13 19:20:42,362 INFO L226 Difference]: Without dead ends: 902 [2019-10-13 19:20:42,376 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:20:42,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2019-10-13 19:20:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 618. [2019-10-13 19:20:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-13 19:20:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 971 transitions. [2019-10-13 19:20:42,641 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 971 transitions. Word has length 135 [2019-10-13 19:20:42,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:20:42,642 INFO L462 AbstractCegarLoop]: Abstraction has 618 states and 971 transitions. [2019-10-13 19:20:42,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:20:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 971 transitions. [2019-10-13 19:20:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 19:20:42,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:20:42,649 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:42,650 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:20:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:20:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1099628587, now seen corresponding path program 1 times [2019-10-13 19:20:42,650 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:20:42,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882934140] [2019-10-13 19:20:42,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:42,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:20:42,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:20:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,580 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-13 19:20:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:20:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 19:20:44,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882934140] [2019-10-13 19:20:44,064 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:20:44,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:20:44,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832950179] [2019-10-13 19:20:44,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:20:44,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:20:44,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:20:44,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:20:44,083 INFO L87 Difference]: Start difference. First operand 618 states and 971 transitions. Second operand 8 states. [2019-10-13 19:20:45,595 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-13 19:20:46,415 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 381