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_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:19,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:19,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:19,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:19,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:19,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:19,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:19,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:19,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:19,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:19,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:19,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:19,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:19,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:19,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:19,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:19,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:19,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:19,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:19,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:19,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:19,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:19,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:19,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:19,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:19,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:19,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:19,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:19,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:19,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:19,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:19,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:19,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:19,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:19,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:19,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:19,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:19,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:19,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:19,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:19,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:19,765 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 23:21:19,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:19,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:19,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:19,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:19,804 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:19,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:19,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:19,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:19,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:19,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:19,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:19,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:19,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:19,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:19,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:19,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:19,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:19,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:19,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:19,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:19,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:19,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:19,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:19,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:19,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:19,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:19,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:19,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:19,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:20,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:20,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:20,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:20,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:20,097 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:20,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-10-14 23:21:20,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca34d2c4/9284857b169f464cb8de65aab3179d01/FLAG77f953905 [2019-10-14 23:21:20,787 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:20,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product30.cil.c [2019-10-14 23:21:20,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca34d2c4/9284857b169f464cb8de65aab3179d01/FLAG77f953905 [2019-10-14 23:21:20,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca34d2c4/9284857b169f464cb8de65aab3179d01 [2019-10-14 23:21:20,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:20,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:21,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:21,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:21,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:21,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:21,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3534b1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21, skipping insertion in model container [2019-10-14 23:21:21,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:21,017 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:21,103 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:21,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:21,818 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:21,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:22,022 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:22,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22 WrapperNode [2019-10-14 23:21:22,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:22,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:22,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:22,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:22,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (1/1) ... [2019-10-14 23:21:22,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:22,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:22,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:22,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:22,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (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 23:21:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2019-10-14 23:21:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2019-10-14 23:21:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2019-10-14 23:21:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2019-10-14 23:21:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:24,735 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:24,736 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:24,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24 BoogieIcfgContainer [2019-10-14 23:21:24,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:24,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:24,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:24,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:24,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:20" (1/3) ... [2019-10-14 23:21:24,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bdf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:22" (2/3) ... [2019-10-14 23:21:24,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bdf9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24" (3/3) ... [2019-10-14 23:21:24,748 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product30.cil.c [2019-10-14 23:21:24,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:24,768 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:24,780 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:24,813 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:24,814 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:24,814 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:24,814 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:24,814 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:24,814 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:24,814 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:24,815 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states. [2019-10-14 23:21:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-14 23:21:24,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:24,866 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:24,868 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:24,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash -157007896, now seen corresponding path program 1 times [2019-10-14 23:21:24,885 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:24,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864235116] [2019-10-14 23:21:24,885 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,566 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:21:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,881 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,099 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:21:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:27,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864235116] [2019-10-14 23:21:27,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:27,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:27,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286710140] [2019-10-14 23:21:27,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:27,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:27,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:27,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:27,333 INFO L87 Difference]: Start difference. First operand 805 states. Second operand 9 states. [2019-10-14 23:21:29,074 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:29,981 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:21:31,522 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:48,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:48,225 INFO L93 Difference]: Finished difference Result 1710 states and 2960 transitions. [2019-10-14 23:21:48,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:21:48,228 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-14 23:21:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:48,262 INFO L225 Difference]: With dead ends: 1710 [2019-10-14 23:21:48,262 INFO L226 Difference]: Without dead ends: 1076 [2019-10-14 23:21:48,274 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-10-14 23:21:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 638. [2019-10-14 23:21:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2019-10-14 23:21:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1016 transitions. [2019-10-14 23:21:48,599 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1016 transitions. Word has length 85 [2019-10-14 23:21:48,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:48,600 INFO L462 AbstractCegarLoop]: Abstraction has 638 states and 1016 transitions. [2019-10-14 23:21:48,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:21:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1016 transitions. [2019-10-14 23:21:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:21:48,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:48,607 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:48,607 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:48,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:48,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2067866645, now seen corresponding path program 1 times [2019-10-14 23:21:48,608 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:48,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766598748] [2019-10-14 23:21:48,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:48,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:48,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,526 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-10-14 23:21:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,784 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-14 23:21:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:21:50,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766598748] [2019-10-14 23:21:50,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:50,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:21:50,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600585001] [2019-10-14 23:21:50,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:21:50,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:50,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:21:50,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:21:50,143 INFO L87 Difference]: Start difference. First operand 638 states and 1016 transitions. Second operand 9 states. [2019-10-14 23:21:52,017 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-10-14 23:21:52,899 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-10-14 23:21:54,166 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121