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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 08:06:23,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 08:06:23,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 08:06:23,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 08:06:23,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 08:06:23,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 08:06:23,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 08:06:23,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 08:06:23,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 08:06:23,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 08:06:23,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 08:06:23,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 08:06:23,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 08:06:23,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 08:06:23,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 08:06:23,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 08:06:23,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 08:06:23,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 08:06:23,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 08:06:23,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 08:06:23,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 08:06:23,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 08:06:23,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 08:06:23,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 08:06:23,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 08:06:23,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 08:06:23,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 08:06:23,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 08:06:23,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 08:06:23,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 08:06:23,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 08:06:23,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 08:06:23,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 08:06:23,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 08:06:23,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 08:06:23,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 08:06:23,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 08:06:23,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 08:06:23,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 08:06:23,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 08:06:23,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 08:06:23,986 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 [2019-09-19 08:06:24,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 08:06:24,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 08:06:24,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 08:06:24,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 08:06:24,005 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 08:06:24,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 08:06:24,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 08:06:24,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 08:06:24,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 08:06:24,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 08:06:24,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 08:06:24,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 08:06:24,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 08:06:24,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 08:06:24,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 08:06:24,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 08:06:24,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 08:06:24,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 08:06:24,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 08:06:24,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 08:06:24,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 08:06:24,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 08:06:24,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 08:06:24,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 08:06:24,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 08:06:24,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 08:06:24,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 08:06:24,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 08:06:24,012 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 -> InterpretCallSummarizer 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_DDA [2019-09-19 08:06:24,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 08:06:24,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 08:06:24,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 08:06:24,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 08:06:24,087 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 08:06:24,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-09-19 08:06:24,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b1dc22d/99b6b85f1b284c8fb6ded632fe2cdc97/FLAGff899dcc9 [2019-09-19 08:06:24,675 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 08:06:24,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2019-09-19 08:06:24,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b1dc22d/99b6b85f1b284c8fb6ded632fe2cdc97/FLAGff899dcc9 [2019-09-19 08:06:25,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b1dc22d/99b6b85f1b284c8fb6ded632fe2cdc97 [2019-09-19 08:06:25,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 08:06:25,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 08:06:25,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 08:06:25,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 08:06:25,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 08:06:25,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350eca44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25, skipping insertion in model container [2019-09-19 08:06:25,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 08:06:25,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 08:06:25,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:06:25,567 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 08:06:25,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:06:25,710 INFO L192 MainTranslator]: Completed translation [2019-09-19 08:06:25,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25 WrapperNode [2019-09-19 08:06:25,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 08:06:25,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 08:06:25,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 08:06:25,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 08:06:25,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (1/1) ... [2019-09-19 08:06:25,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 08:06:25,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 08:06:25,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 08:06:25,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 08:06:25,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:06:25" (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 [2019-09-19 08:06:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 08:06:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 08:06:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 08:06:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 08:06:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 08:06:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 08:06:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 08:06:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 08:06:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 08:06:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 08:06:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 08:06:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 08:06:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 08:06:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 08:06:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 08:06:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 08:06:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 08:06:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 08:06:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 08:06:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 08:06:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 08:06:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 08:06:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 08:06:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 08:06:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 08:06:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 08:06:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 08:06:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 08:06:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 08:06:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 08:06:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 08:06:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 08:06:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 08:06:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 08:06:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 08:06:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 08:06:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 08:06:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 08:06:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 08:06:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 08:06:27,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 08:06:27,329 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 08:06:27,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:06:27 BoogieIcfgContainer [2019-09-19 08:06:27,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 08:06:27,332 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 08:06:27,332 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 08:06:27,333 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 08:06:27,334 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:06:27" (1/1) ... [2019-09-19 08:06:27,335 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 08:06:27,375 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 08:06:27,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 08:06:27,387 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 08:06:27,398 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 08:06:27,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 08:06:40,329 WARN L191 SmtUtils]: Spent 12.80 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:06:52,716 WARN L191 SmtUtils]: Spent 12.38 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:07:13,013 WARN L191 SmtUtils]: Spent 11.93 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 08:07:14,663 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 08:07:18,560 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 08:07:18,568 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 08:07:20,342 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:22,124 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:23,889 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:25,656 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:27,488 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:07:29,237 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:07:30,955 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:32,693 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 08:07:32,699 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 08:07:32,705 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 08:07:36,335 WARN L191 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 08:07:38,074 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 08:07:49,130 WARN L191 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:07:54,486 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:08:05,306 WARN L191 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 08:08:10,681 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 08:08:21,031 WARN L191 SmtUtils]: Spent 10.31 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:08:26,238 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:08:44,981 WARN L191 SmtUtils]: Spent 18.71 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 08:08:53,066 WARN L191 SmtUtils]: Spent 8.08 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 08:08:55,122 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-19 08:09:09,920 WARN L191 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-19 08:09:17,337 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:09:24,113 WARN L191 SmtUtils]: Spent 6.77 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:09:31,000 WARN L191 SmtUtils]: Spent 6.89 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:09:59,005 WARN L191 SmtUtils]: Spent 27.98 s on a formula simplification. DAG size of input: 492 DAG size of output: 489 [2019-09-19 08:10:11,185 WARN L191 SmtUtils]: Spent 12.18 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-19 08:10:21,571 WARN L191 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 08:10:26,740 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:10:46,204 WARN L191 SmtUtils]: Spent 19.45 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 08:10:54,687 WARN L191 SmtUtils]: Spent 8.48 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 08:11:10,444 WARN L191 SmtUtils]: Spent 15.75 s on a formula simplification that was a NOOP. DAG size: 500 [2019-09-19 08:11:11,742 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-19 08:11:12,217 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-19 08:11:12,334 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-19 08:11:12,643 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-19 08:11:14,304 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-19 08:11:14,552 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-09-19 08:11:14,697 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-19 08:11:14,705 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 18 for LOIs [2019-09-19 08:11:15,321 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-19 08:11:15,588 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-19 08:11:16,490 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2019-09-19 08:11:16,770 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-19 08:11:17,331 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2019-09-19 08:11:17,878 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2019-09-19 08:11:18,158 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-19 08:11:18,518 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-19 08:11:19,315 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-19 08:11:19,639 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-19 08:11:20,062 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-19 08:11:20,404 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-09-19 08:11:20,803 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-09-19 08:11:21,115 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2019-09-19 08:11:21,469 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2019-09-19 08:11:21,860 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-09-19 08:11:22,054 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-19 08:11:22,886 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 08:11:23,458 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 08:11:23,486 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-19 08:11:23,508 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 08:11:23,508 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 08:11:23,511 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1352#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 08:11:23,526 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 08:11:23,527 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 08:11:23,528 INFO L168 Benchmark]: Toolchain (without parser) took 298486.64 ms. Allocated memory was 131.6 MB in the beginning and 147.3 MB in the end (delta: 15.7 MB). Free memory was 85.3 MB in the beginning and 92.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-19 08:11:23,529 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 08:11:23,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.67 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 164.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-19 08:11:23,531 INFO L168 Benchmark]: Boogie Preprocessor took 79.36 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 159.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 08:11:23,532 INFO L168 Benchmark]: RCFGBuilder took 1540.79 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.8 MB in the beginning and 147.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-19 08:11:23,533 INFO L168 Benchmark]: Sifa took 296194.69 ms. Allocated memory was 220.2 MB in the beginning and 147.3 MB in the end (delta: -72.9 MB). Free memory was 147.0 MB in the beginning and 92.2 MB in the end (delta: 54.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 08:11:23,537 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.67 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.1 MB in the beginning and 164.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.36 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 159.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1540.79 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.8 MB in the beginning and 147.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * Sifa took 296194.69 ms. Allocated memory was 220.2 MB in the beginning and 147.3 MB in the end (delta: -72.9 MB). Free memory was 147.0 MB in the beginning and 92.2 MB in the end (delta: 54.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 296136, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 658, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 464, TOOLS_POST_TIME[ms]: 166, TOOLS_POST_CALL_APPLICATIONS: 170, TOOLS_POST_CALL_TIME[ms]: 182, TOOLS_POST_RETURN_APPLICATIONS: 161, TOOLS_POST_RETURN_TIME[ms]: 26016, TOOLS_QUANTIFIERELIM_APPLICATIONS: 748, TOOLS_QUANTIFIERELIM_TIME[ms]: 26203, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25840, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 664, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 254, DOMAIN_JOIN_TIME[ms]: 268664, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 534, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 355, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 226530, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 226530, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 161, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 123390, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 335, DAG_COMPRESSION_RETAINED_NODES: 188 - UnprovableResult [Line: 73]: 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 1352#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...