java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:47:18,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:47:18,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:47:18,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:47:18,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:47:18,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:47:18,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:47:18,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:47:18,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:47:18,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:47:18,211 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:47:18,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:47:18,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:47:18,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:47:18,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:47:18,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:47:18,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:47:18,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:47:18,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:47:18,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:47:18,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:47:18,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:47:18,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:47:18,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:47:18,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 11:47:18,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 11:47:18,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 11:47:18,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 11:47:18,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 11:47:18,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 11:47:18,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:47:18,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:47:18,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:47:18,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:47:18,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:47:18,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:47:18,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:47:18,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:47:18,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:47:18,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:47:18,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:47:18,242 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 [2019-08-08 11:47:18,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:47:18,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:47:18,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:47:18,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:47:18,269 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:47:18,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:47:18,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:47:18,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:47:18,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:47:18,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:47:18,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:47:18,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:47:18,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:47:18,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:47:18,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:47:18,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:47:18,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:47:18,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:47:18,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:47:18,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:47:18,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:47:18,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:47:18,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:47:18,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:47:18,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:47:18,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:47:18,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:47:18,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:47:18,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:47:18,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:47:18,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:47:18,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:47:18,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:47:18,342 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:47:18,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2019-08-08 11:47:18,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dead76ff/eb51c43b9e9941d89aacdc24296ed416/FLAG88b0c1d61 [2019-08-08 11:47:19,066 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:47:19,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec14_productSimulator.cil.c [2019-08-08 11:47:19,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dead76ff/eb51c43b9e9941d89aacdc24296ed416/FLAG88b0c1d61 [2019-08-08 11:47:19,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dead76ff/eb51c43b9e9941d89aacdc24296ed416 [2019-08-08 11:47:19,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:47:19,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:47:19,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:47:19,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:47:19,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:47:19,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:47:19" (1/1) ... [2019-08-08 11:47:19,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d072b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:19, skipping insertion in model container [2019-08-08 11:47:19,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:47:19" (1/1) ... [2019-08-08 11:47:19,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:47:19,362 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:47:20,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:47:20,127 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:47:20,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:47:20,458 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:47:20,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20 WrapperNode [2019-08-08 11:47:20,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:47:20,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:47:20,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:47:20,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:47:20,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (1/1) ... [2019-08-08 11:47:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:47:20,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:47:20,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:47:20,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:47:20,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:20" (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 [2019-08-08 11:47:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:47:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:47:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-08-08 11:47:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2019-08-08 11:47:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-08-08 11:47:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-08-08 11:47:20,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-08-08 11:47:20,763 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-08-08 11:47:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-08-08 11:47:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-08-08 11:47:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-08-08 11:47:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-08-08 11:47:20,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-08-08 11:47:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-08-08 11:47:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-08-08 11:47:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-08-08 11:47:20,765 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-08-08 11:47:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-08-08 11:47:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-08-08 11:47:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-08-08 11:47:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-08-08 11:47:20,766 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-08-08 11:47:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-08-08 11:47:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-08-08 11:47:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-08-08 11:47:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-08-08 11:47:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-08-08 11:47:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-08-08 11:47:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-08-08 11:47:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-08-08 11:47:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-08-08 11:47:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-08-08 11:47:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-08-08 11:47:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-08-08 11:47:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-08-08 11:47:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-08-08 11:47:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-08-08 11:47:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-08-08 11:47:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-08-08 11:47:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-08-08 11:47:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-08-08 11:47:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-08-08 11:47:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-08-08 11:47:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-08-08 11:47:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-08-08 11:47:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-08-08 11:47:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-08-08 11:47:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-08-08 11:47:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-08-08 11:47:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-08-08 11:47:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-08-08 11:47:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-08-08 11:47:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-08-08 11:47:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-08-08 11:47:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-08-08 11:47:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-08-08 11:47:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-08-08 11:47:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-08-08 11:47:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-08-08 11:47:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-08-08 11:47:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-08-08 11:47:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-08-08 11:47:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-08-08 11:47:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:47:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-08-08 11:47:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2019-08-08 11:47:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-08-08 11:47:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-08-08 11:47:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-08-08 11:47:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-08-08 11:47:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-08-08 11:47:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-08-08 11:47:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-08-08 11:47:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-08-08 11:47:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-08-08 11:47:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-08-08 11:47:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-08-08 11:47:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-08-08 11:47:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-08-08 11:47:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-08-08 11:47:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-08-08 11:47:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-08-08 11:47:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-08-08 11:47:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-08-08 11:47:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-08-08 11:47:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-08-08 11:47:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-08-08 11:47:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-08-08 11:47:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:47:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-08-08 11:47:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-08-08 11:47:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-08-08 11:47:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-08-08 11:47:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-08-08 11:47:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-08-08 11:47:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:47:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-08-08 11:47:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-08-08 11:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-08-08 11:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-08-08 11:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-08-08 11:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-08-08 11:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-08-08 11:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-08-08 11:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-08-08 11:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-08 11:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-08 11:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-08 11:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-08-08 11:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-08 11:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-08 11:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 11:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-08 11:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-08-08 11:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 11:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-08-08 11:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:47:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 11:47:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:47:26,787 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:47:26,788 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-08-08 11:47:26,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:47:26 BoogieIcfgContainer [2019-08-08 11:47:26,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:47:26,791 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:47:26,791 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:47:26,791 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:47:26,792 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:47:26" (1/1) ... [2019-08-08 11:47:26,805 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:47:26,807 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:47:26,823 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:47:26,832 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:47:26,834 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:47:26,981 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 868 [2019-08-08 11:47:27,135 INFO L185 IcfgInterpreter]: Interpreting procedure runTest with input of size 874 [2019-08-08 11:47:27,163 INFO L185 IcfgInterpreter]: Interpreting procedure test with input of size 874 [2019-08-08 11:47:29,288 INFO L185 IcfgInterpreter]: Interpreting procedure cleanup with input of size 835 [2019-08-08 11:47:29,703 INFO L185 IcfgInterpreter]: Interpreting procedure threeTS with input of size 845 [2019-08-08 11:47:29,734 INFO L185 IcfgInterpreter]: Interpreting procedure timeShift with input of size 1 [2019-08-08 11:47:29,737 INFO L185 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification14_spec__1 with input of size 1 [2019-08-08 11:47:29,740 INFO L185 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 [2019-08-08 11:47:29,741 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:47:29,741 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:47:29,744 INFO L179 IcfgInterpreter]: Location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 10657#(and (<= ~currentFloorID~0 2147483647) (exists ((v___utac_acc__Specification14_spec__1_~tmp___2~0_BEFORE_CALL_1 Int)) (and (<= v___utac_acc__Specification14_spec__1_~tmp___2~0_BEFORE_CALL_1 2147483647) (<= 0 (+ v___utac_acc__Specification14_spec__1_~tmp___2~0_BEFORE_CALL_1 2147483648)) (not (= 0 v___utac_acc__Specification14_spec__1_~tmp___2~0_BEFORE_CALL_1)))) (<= 0 (+ ~doorState~0 2147483648)) (<= 0 (+ ~currentFloorID~0 2147483648)) (= 0 (ite (= ~currentFloorID~0 ~executiveFloor~0) 1 0)) (not (= 0 ~doorState~0)) (<= (ite (= ~currentFloorID~0 ~executiveFloor~0) 1 0) 2147483647) (<= 0 (+ (ite (= ~currentFloorID~0 ~executiveFloor~0) 1 0) 2147483648)) (<= ~doorState~0 2147483647)) [2019-08-08 11:47:29,745 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:47:29,754 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:47:29,757 INFO L168 Benchmark]: Toolchain (without parser) took 10483.89 ms. Allocated memory was 141.0 MB in the beginning and 324.5 MB in the end (delta: 183.5 MB). Free memory was 86.4 MB in the beginning and 212.7 MB in the end (delta: -126.2 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,758 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1183.67 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 131.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,760 INFO L168 Benchmark]: Boogie Preprocessor took 208.63 ms. Allocated memory is still 201.3 MB. Free memory was 131.1 MB in the beginning and 121.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,761 INFO L168 Benchmark]: RCFGBuilder took 6120.84 ms. Allocated memory was 201.3 MB in the beginning and 263.7 MB in the end (delta: 62.4 MB). Free memory was 121.3 MB in the beginning and 134.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,762 INFO L168 Benchmark]: Symbolic Interpretation took 2963.51 ms. Allocated memory was 263.7 MB in the beginning and 324.5 MB in the end (delta: 60.8 MB). Free memory was 134.9 MB in the beginning and 212.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 126.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:29,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3631]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1183.67 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 131.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.63 ms. Allocated memory is still 201.3 MB. Free memory was 131.1 MB in the beginning and 121.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6120.84 ms. Allocated memory was 201.3 MB in the beginning and 263.7 MB in the end (delta: 62.4 MB). Free memory was 121.3 MB in the beginning and 134.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2963.51 ms. Allocated memory was 263.7 MB in the beginning and 324.5 MB in the end (delta: 60.8 MB). Free memory was 134.9 MB in the beginning and 212.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 126.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...