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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:54:25,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:54:25,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:54:25,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:54:25,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:54:25,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:54:25,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:54:25,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:54:25,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:54:25,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:54:25,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:54:25,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:54:25,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:54:25,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:54:25,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:54:25,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:54:25,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:54:25,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:54:25,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:54:25,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:54:25,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:54:25,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:54:25,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:54:25,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:54:25,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:54:25,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:54:25,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:54:25,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:54:25,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:54:25,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:54:25,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:54:25,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:54:25,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:54:25,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:54:25,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:54:25,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:54:25,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:54:25,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:54:25,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:54:25,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:54:25,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:54:25,399 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 [2019-09-20 15:54:25,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:54:25,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:54:25,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:54:25,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:54:25,426 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:54:25,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:54:25,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:54:25,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:54:25,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:54:25,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:54:25,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:54:25,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:54:25,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:54:25,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:54:25,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:54:25,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:54:25,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:54:25,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:54:25,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:54:25,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:54:25,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:54:25,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:54:25,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:54:25,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:54:25,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:54:25,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:54:25,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:54:25,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:54:25,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:54:25,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:54:25,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:54:25,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:54:25,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:54:25,515 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:54:25,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-09-20 15:54:25,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b498a9a/122db639e3104115abff28a7325540d1/FLAG3a84017c4 [2019-09-20 15:54:26,098 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:54:26,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product29.cil.c [2019-09-20 15:54:26,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b498a9a/122db639e3104115abff28a7325540d1/FLAG3a84017c4 [2019-09-20 15:54:26,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28b498a9a/122db639e3104115abff28a7325540d1 [2019-09-20 15:54:26,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:54:26,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:54:26,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:26,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:54:26,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:54:26,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:26" (1/1) ... [2019-09-20 15:54:26,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b23440e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:26, skipping insertion in model container [2019-09-20 15:54:26,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:54:26" (1/1) ... [2019-09-20 15:54:26,445 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:54:26,503 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:54:26,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:26,993 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:54:27,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:54:27,142 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:54:27,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27 WrapperNode [2019-09-20 15:54:27,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:54:27,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:54:27,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:54:27,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:54:27,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (1/1) ... [2019-09-20 15:54:27,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:54:27,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:54:27,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:54:27,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:54:27,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:54:27" (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 [2019-09-20 15:54:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:54:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:54:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:54:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:54:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:54:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:54:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:54:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:54:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:54:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:54:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:54:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:54:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:54:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:54:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:54:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:54:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:54:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:54:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:54:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:54:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:54:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:54:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:54:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:54:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:54:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:54:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:54:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:54:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:54:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:54:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:54:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:54:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:54:28,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:54:28,933 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:54:28,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:28 BoogieIcfgContainer [2019-09-20 15:54:28,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:54:28,935 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:54:28,936 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:54:28,936 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:54:28,937 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:54:28" (1/1) ... [2019-09-20 15:54:28,938 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:54:28,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:54:28,973 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:54:28,988 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:54:29,002 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:54:29,004 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:38,454 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:40,417 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:40,594 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:40,737 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:40,854 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:40,878 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:54:40,945 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:54:40,963 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:54:41,494 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:41,817 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:42,101 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:42,370 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:42,577 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:42,787 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:42,962 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:43,168 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:54:43,586 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:43,906 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:44,565 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 531 [2019-09-20 15:54:44,878 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:54:45,152 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-20 15:54:45,447 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:45,702 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-20 15:54:45,925 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:46,251 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:54:46,550 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:54:46,976 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:47,272 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:47,541 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 533 [2019-09-20 15:54:47,735 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:47,907 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-20 15:54:48,082 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:48,266 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2019-09-20 15:54:48,440 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:48,797 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:54:49,541 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:49,814 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:50,083 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 533 [2019-09-20 15:54:50,260 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:50,428 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-20 15:54:50,598 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:50,780 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2019-09-20 15:54:50,973 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:51,263 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:54:52,037 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:52,676 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:54:53,207 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 533 [2019-09-20 15:54:53,555 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:53,734 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 550 [2019-09-20 15:54:53,935 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:54,118 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2019-09-20 15:54:54,293 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:54:54,591 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-09-20 15:54:54,649 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 40 for LOIs [2019-09-20 15:54:54,749 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:54:54,768 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 35 for LOIs [2019-09-20 15:54:54,778 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 42 for LOIs [2019-09-20 15:54:54,784 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:54,784 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:54,790 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 544#(and (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (= 0 ~systemActive~0)) (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0)))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:54,805 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:54,805 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:54,817 INFO L168 Benchmark]: Toolchain (without parser) took 28376.77 ms. Allocated memory was 133.7 MB in the beginning and 865.6 MB in the end (delta: 731.9 MB). Free memory was 89.3 MB in the beginning and 214.8 MB in the end (delta: -125.4 MB). Peak memory consumption was 606.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,819 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.81 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.1 MB in the beginning and 164.7 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,824 INFO L168 Benchmark]: Boogie Preprocessor took 111.02 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,827 INFO L168 Benchmark]: RCFGBuilder took 1679.91 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 142.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,834 INFO L168 Benchmark]: Sifa took 25870.62 ms. Allocated memory was 226.5 MB in the beginning and 865.6 MB in the end (delta: 639.1 MB). Free memory was 142.5 MB in the beginning and 214.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 566.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:54,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.81 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.1 MB in the beginning and 164.7 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.02 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.91 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 160.4 MB in the beginning and 142.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * Sifa took 25870.62 ms. Allocated memory was 226.5 MB in the beginning and 865.6 MB in the end (delta: 639.1 MB). Free memory was 142.5 MB in the beginning and 214.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 566.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 25820, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 276, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 177, TOOLS_POST_TIME[ms]: 11646, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 335, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 199, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 12019, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11491, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 11913, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 1271, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 68, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 183, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10995, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10994, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11949, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11948, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 425, DAG_COMPRESSION_RETAINED_NODES: 224 - UnprovableResult [Line: 82]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 544#(and (or (and (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (= 0 ~systemActive~0)) (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0)))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...