java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:06,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:06,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:06,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:06,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:06,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:06,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:06,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:06,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:06,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:06,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:06,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:06,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:06,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:06,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:06,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:06,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:07,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:07,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:07,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:07,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:07,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:07,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:07,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:07,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:07,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:07,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:07,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:07,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:07,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:07,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:07,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:07,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:07,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:07,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:07,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:07,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:07,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:07,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:07,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:07,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:07,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:23:07,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:07,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:07,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:07,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:07,074 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:07,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:07,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:07,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:07,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:07,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:07,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:07,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:07,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:07,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:07,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:07,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:07,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:07,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:07,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:07,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:07,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:07,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:07,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:07,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:07,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:07,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:07,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:07,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:07,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:07,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-10-13 19:23:07,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8840febfc/031c71d2e3f44547b416cdbaf6eb8ffb/FLAG02bdcbf17 [2019-10-13 19:23:08,131 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:08,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product24.cil.c [2019-10-13 19:23:08,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8840febfc/031c71d2e3f44547b416cdbaf6eb8ffb/FLAG02bdcbf17 [2019-10-13 19:23:08,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8840febfc/031c71d2e3f44547b416cdbaf6eb8ffb [2019-10-13 19:23:08,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:08,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:08,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:08,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:08,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:08,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:08" (1/1) ... [2019-10-13 19:23:08,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c93ec65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:08, skipping insertion in model container [2019-10-13 19:23:08,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:08" (1/1) ... [2019-10-13 19:23:08,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:08,445 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:09,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:09,164 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:09,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:09,430 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:09,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09 WrapperNode [2019-10-13 19:23:09,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:09,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:09,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:09,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:09,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... [2019-10-13 19:23:09,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:09,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:09,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:09,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:09,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:23:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:23:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:12,580 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:12,581 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:12,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:12 BoogieIcfgContainer [2019-10-13 19:23:12,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:12,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:12,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:12,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:12,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:08" (1/3) ... [2019-10-13 19:23:12,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fac52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:12, skipping insertion in model container [2019-10-13 19:23:12,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:09" (2/3) ... [2019-10-13 19:23:12,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fac52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:12, skipping insertion in model container [2019-10-13 19:23:12,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:12" (3/3) ... [2019-10-13 19:23:12,595 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product24.cil.c [2019-10-13 19:23:12,609 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:12,621 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:12,637 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:12,689 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:12,689 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:12,689 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:12,690 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:12,690 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:12,690 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:12,690 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:12,690 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2019-10-13 19:23:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 19:23:12,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:12,786 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:12,789 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:12,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:12,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1561812380, now seen corresponding path program 1 times [2019-10-13 19:23:12,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:12,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696934039] [2019-10-13 19:23:12,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:12,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:12,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,601 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:14,823 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,010 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:23:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:15,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696934039] [2019-10-13 19:23:15,397 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:15,397 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:23:15,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236019685] [2019-10-13 19:23:15,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:23:15,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:15,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:23:15,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:23:15,421 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 12 states. [2019-10-13 19:23:16,640 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:17,683 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:18,633 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:19,513 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:20,503 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:21,413 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:23:24,780 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:42,748 INFO L93 Difference]: Finished difference Result 1683 states and 2883 transitions. [2019-10-13 19:23:42,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:23:42,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-13 19:23:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:42,790 INFO L225 Difference]: With dead ends: 1683 [2019-10-13 19:23:42,790 INFO L226 Difference]: Without dead ends: 1010 [2019-10-13 19:23:42,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-13 19:23:42,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-10-13 19:23:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 679. [2019-10-13 19:23:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-10-13 19:23:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1070 transitions. [2019-10-13 19:23:43,090 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1070 transitions. Word has length 93 [2019-10-13 19:23:43,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:43,090 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 1070 transitions. [2019-10-13 19:23:43,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:23:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1070 transitions. [2019-10-13 19:23:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:23:43,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:43,096 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:43,096 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:43,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:43,097 INFO L82 PathProgramCache]: Analyzing trace with hash 46311185, now seen corresponding path program 1 times [2019-10-13 19:23:43,097 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:43,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187343225] [2019-10-13 19:23:43,098 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:43,098 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:43,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,009 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,214 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:44,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187343225] [2019-10-13 19:23:44,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:44,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:23:44,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502757966] [2019-10-13 19:23:44,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:23:44,562 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:44,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:23:44,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:23:44,563 INFO L87 Difference]: Start difference. First operand 679 states and 1070 transitions. Second operand 9 states. [2019-10-13 19:23:46,321 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:47,179 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 394