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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:19:13,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:19:13,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:19:13,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:19:13,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:19:13,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:19:13,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:19:13,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:19:13,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:19:13,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:19:13,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:19:13,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:19:13,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:19:13,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:19:13,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:19:13,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:19:13,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:19:13,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:19:13,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:19:13,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:19:13,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:19:13,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:19:13,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:19:13,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:19:13,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:19:13,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:19:13,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:19:13,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:19:13,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:19:13,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:19:13,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:19:13,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:19:13,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:19:13,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:19:13,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:19:13,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:19:13,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:19:13,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:19:13,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:19:13,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:19:13,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:19:13,338 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 [2019-10-14 23:19:13,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:19:13,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:19:13,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:19:13,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:19:13,354 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:19:13,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:19:13,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:19:13,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:19:13,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:19:13,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:19:13,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:19:13,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:19:13,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:19:13,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:19:13,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:19:13,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:19:13,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:19:13,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:19:13,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:19:13,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:19:13,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:19:13,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:13,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:19:13,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:19:13,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:19:13,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:19:13,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:19:13,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:19:13,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:19:13,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:19:13,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:19:13,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:19:13,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:19:13,695 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:19:13,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2019-10-14 23:19:13,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4cfa4a/ec7b88a0622c4ae387b323f7557bd915/FLAGed8bd43e8 [2019-10-14 23:19:14,427 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:19:14,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_product24.cil.c [2019-10-14 23:19:14,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4cfa4a/ec7b88a0622c4ae387b323f7557bd915/FLAGed8bd43e8 [2019-10-14 23:19:14,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba4cfa4a/ec7b88a0622c4ae387b323f7557bd915 [2019-10-14 23:19:14,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:19:14,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:19:14,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:14,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:19:14,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:19:14,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:14" (1/1) ... [2019-10-14 23:19:14,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6861fd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:14, skipping insertion in model container [2019-10-14 23:19:14,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:14" (1/1) ... [2019-10-14 23:19:14,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:19:14,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:19:15,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:15,509 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:19:15,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:19:15,700 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:19:15,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15 WrapperNode [2019-10-14 23:19:15,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:19:15,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:19:15,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:19:15,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:19:15,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... [2019-10-14 23:19:15,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:19:15,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:19:15,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:19:15,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:19:15,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:19:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:19:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:19:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:19:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:19:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:19:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:19:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:19:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:19:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:19:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:19:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:19:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:19:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:19:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:19:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:19:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:19:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:19:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:19:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:19:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:19:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:19:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:19:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:19:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:19:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:19:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:19:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:19:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:19:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:19:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:19:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:19:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:19:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:19:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:19:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:19:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:19:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:19:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:19:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:19:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:19:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:19:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:19:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:19:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-14 23:19:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:19:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:19:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:19:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:19:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:19:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:19:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:19:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:19:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:19:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:19:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:19:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:19:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:19:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:19:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:19:16,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:19:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:19:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:19:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:19:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:19:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:19:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:19:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:19:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:19:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:19:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:19:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:19:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:19:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:19:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:19:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:19:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:19:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:19:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:19:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:19:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:19:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:19:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:19:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:19:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:19:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:19:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:19:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:19:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:19:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:19:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:19:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:19:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:19:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:19:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:19:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:19:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-10-14 23:19:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:19:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:19:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:19:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:19:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:19:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:19:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:19:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:19:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:19:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:19:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:19:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:19:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:19:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:19:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:19:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:19:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:19:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:19:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:19:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:19:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:19:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:19:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-14 23:19:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:19:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:19:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:19:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-14 23:19:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:19:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:19:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:19:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-14 23:19:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-14 23:19:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:19:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:19:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:19:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:19:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:19:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:19:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:19:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:19:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:19:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:19:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:19:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:19:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:19:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:19:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:19:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:19:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:19:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:19:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:19:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:19:18,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:19:18,633 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:19:18,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:18 BoogieIcfgContainer [2019-10-14 23:19:18,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:19:18,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:19:18,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:19:18,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:19:18,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:14" (1/3) ... [2019-10-14 23:19:18,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b1213f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:18, skipping insertion in model container [2019-10-14 23:19:18,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:15" (2/3) ... [2019-10-14 23:19:18,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b1213f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:18, skipping insertion in model container [2019-10-14 23:19:18,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:18" (3/3) ... [2019-10-14 23:19:18,647 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2019-10-14 23:19:18,658 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:19:18,667 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:19:18,679 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:19:18,724 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:19:18,724 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:19:18,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:19:18,724 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:19:18,724 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:19:18,724 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:19:18,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:19:18,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:19:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2019-10-14 23:19:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-14 23:19:18,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:18,787 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] [2019-10-14 23:19:18,789 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:18,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:18,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1147677768, now seen corresponding path program 1 times [2019-10-14 23:19:18,806 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:18,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848473019] [2019-10-14 23:19:18,806 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:18,807 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:18,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,396 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-14 23:19:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,599 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:19:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:19:20,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848473019] [2019-10-14 23:19:20,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:20,801 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:19:20,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569750203] [2019-10-14 23:19:20,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:19:20,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:20,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:19:20,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:19:20,821 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 7 states. [2019-10-14 23:19:22,598 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:19:23,498 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-10-14 23:19:33,504 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:19:40,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:19:40,813 INFO L93 Difference]: Finished difference Result 1504 states and 2505 transitions. [2019-10-14 23:19:40,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:19:40,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-14 23:19:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:19:40,851 INFO L225 Difference]: With dead ends: 1504 [2019-10-14 23:19:40,852 INFO L226 Difference]: Without dead ends: 862 [2019-10-14 23:19:40,867 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:19:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2019-10-14 23:19:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 627. [2019-10-14 23:19:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-14 23:19:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 984 transitions. [2019-10-14 23:19:41,221 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 984 transitions. Word has length 87 [2019-10-14 23:19:41,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:19:41,222 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 984 transitions. [2019-10-14 23:19:41,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:19:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 984 transitions. [2019-10-14 23:19:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:19:41,238 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:19:41,238 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] [2019-10-14 23:19:41,239 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:19:41,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:19:41,240 INFO L82 PathProgramCache]: Analyzing trace with hash 169764925, now seen corresponding path program 1 times [2019-10-14 23:19:41,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:19:41,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190002019] [2019-10-14 23:19:41,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:41,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:19:41,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:19:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,165 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-14 23:19:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:19:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:19:42,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190002019] [2019-10-14 23:19:42,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:19:42,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:19:42,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854592466] [2019-10-14 23:19:42,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:19:42,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:19:42,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:19:42,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:19:42,474 INFO L87 Difference]: Start difference. First operand 627 states and 984 transitions. Second operand 7 states. [2019-10-14 23:19:43,909 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:19:44,761 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 390