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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:37,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:37,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:37,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:37,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:37,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:37,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:37,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:37,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:37,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:37,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:37,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:37,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:37,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:37,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:37,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:37,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:37,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:37,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:37,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:37,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:37,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:37,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:37,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:37,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:37,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:37,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:37,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:37,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:37,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:37,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:37,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:37,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:37,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:37,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:37,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:37,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:37,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:37,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:37,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:37,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:37,962 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 19:23:37,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:37,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:37,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:37,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:37,978 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:37,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:37,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:37,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:37,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:37,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:37,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:37,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:37,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:37,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:37,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:37,980 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:37,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:37,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:37,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:37,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:37,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:37,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:37,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:37,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:37,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:37,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:37,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:37,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:37,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:38,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:38,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:38,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:38,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:38,269 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:38,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2019-10-13 19:23:38,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3106365d4/5ce7fcab684c44fca543e4de7b77a894/FLAGb99b2802f [2019-10-13 19:23:39,034 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:39,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2019-10-13 19:23:39,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3106365d4/5ce7fcab684c44fca543e4de7b77a894/FLAGb99b2802f [2019-10-13 19:23:39,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3106365d4/5ce7fcab684c44fca543e4de7b77a894 [2019-10-13 19:23:39,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:39,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:39,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:39,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:39,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:39,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adaab4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:39, skipping insertion in model container [2019-10-13 19:23:39,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:39" (1/1) ... [2019-10-13 19:23:39,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:39,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:40,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:40,083 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:40,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:40,375 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:40,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40 WrapperNode [2019-10-13 19:23:40,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:40,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:40,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:40,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:40,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (1/1) ... [2019-10-13 19:23:40,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:40,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:40,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:40,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:40,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (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 19:23:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-10-13 19:23:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-13 19:23:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-13 19:23:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-13 19:23:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-10-13 19:23:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-10-13 19:23:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-10-13 19:23:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-10-13 19:23:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-10-13 19:23:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-10-13 19:23:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-10-13 19:23:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-10-13 19:23:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-10-13 19:23:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-10-13 19:23:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-10-13 19:23:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-10-13 19:23:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:43,130 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:43,130 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:43,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:43 BoogieIcfgContainer [2019-10-13 19:23:43,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:43,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:43,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:43,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:43,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:39" (1/3) ... [2019-10-13 19:23:43,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601983dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:43, skipping insertion in model container [2019-10-13 19:23:43,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:40" (2/3) ... [2019-10-13 19:23:43,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601983dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:43, skipping insertion in model container [2019-10-13 19:23:43,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:43" (3/3) ... [2019-10-13 19:23:43,145 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_productSimulator.cil.c [2019-10-13 19:23:43,158 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:43,221 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:43,232 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:43,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:43,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:43,270 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:43,270 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:43,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:43,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:43,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:43,271 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states. [2019-10-13 19:23:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 19:23:43,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:43,351 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 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, 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 19:23:43,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:43,363 INFO L82 PathProgramCache]: Analyzing trace with hash -895643454, now seen corresponding path program 1 times [2019-10-13 19:23:43,374 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:43,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353164833] [2019-10-13 19:23:43,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:43,375 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:43,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,137 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2019-10-13 19:23:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,598 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,058 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-10-13 19:23:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 19:23:46,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353164833] [2019-10-13 19:23:46,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:46,162 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-13 19:23:46,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878923947] [2019-10-13 19:23:46,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-13 19:23:46,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:46,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-13 19:23:46,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:23:46,185 INFO L87 Difference]: Start difference. First operand 949 states. Second operand 14 states. [2019-10-13 19:23:48,503 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-13 19:23:48,780 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-10-13 19:23:49,334 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-13 19:23:50,382 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2019-10-13 19:23:51,367 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2019-10-13 19:23:51,731 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-10-13 19:23:51,949 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-10-13 19:23:52,312 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-13 19:23:54,659 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-13 19:23:56,118 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-13 19:23:56,536 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:24:03,282 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127