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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:04:52,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:04:52,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:04:52,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:04:52,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:04:52,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:04:52,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:04:52,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:04:52,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:04:52,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:04:52,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:04:52,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:04:52,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:04:52,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:04:52,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:04:52,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:04:52,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:04:52,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:04:52,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:04:52,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:04:52,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:04:52,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:04:52,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:04:52,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:04:52,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:04:52,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:04:52,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:04:52,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:04:52,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:04:52,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:04:52,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:04:52,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:04:52,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:04:52,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:04:52,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:04:52,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:04:52,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:04:52,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:04:52,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:04:52,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:04:52,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:04:52,891 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 [2019-09-16 19:04:52,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:04:52,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:04:52,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:04:52,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:04:52,906 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:04:52,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:04:52,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:04:52,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:04:52,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:04:52,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:04:52,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:04:52,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:04:52,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:04:52,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:04:52,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:04:52,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:04:52,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:04:52,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:04:52,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:04:52,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:04:52,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:04:52,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:04:52,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:04:52,911 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_DDA [2019-09-16 19:04:52,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:04:52,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:04:52,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:04:52,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:04:52,981 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:04:52,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-16 19:04:53,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d1b8c88/a70e9751244c49d89c72b249c8f7c196/FLAGa5ccfbc3d [2019-09-16 19:04:53,573 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:04:53,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-16 19:04:53,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d1b8c88/a70e9751244c49d89c72b249c8f7c196/FLAGa5ccfbc3d [2019-09-16 19:04:53,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d1b8c88/a70e9751244c49d89c72b249c8f7c196 [2019-09-16 19:04:53,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:04:53,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:04:53,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:04:53,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:04:53,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:04:53,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:04:53" (1/1) ... [2019-09-16 19:04:53,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cf5178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:53, skipping insertion in model container [2019-09-16 19:04:53,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:04:53" (1/1) ... [2019-09-16 19:04:53,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:04:53,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:04:54,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:04:54,395 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:04:54,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:04:54,527 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:04:54,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54 WrapperNode [2019-09-16 19:04:54,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:04:54,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:04:54,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:04:54,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:04:54,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (1/1) ... [2019-09-16 19:04:54,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:04:54,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:04:54,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:04:54,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:04:54,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:04:54" (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 [2019-09-16 19:04:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:04:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:04:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:04:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:04:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:04:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:04:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:04:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:04:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:04:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:04:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:04:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:04:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:04:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:04:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:04:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:04:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:04:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:04:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:04:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:04:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:04:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:04:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:04:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:04:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:04:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:04:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:04:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:04:56,319 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:04:56,320 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:04:56,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:04:56 BoogieIcfgContainer [2019-09-16 19:04:56,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:04:56,322 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:04:56,322 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:04:56,322 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:04:56,323 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:04:56" (1/1) ... [2019-09-16 19:04:56,324 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:04:56,351 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:04:56,351 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:04:56,365 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:04:56,379 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:04:56,380 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:05:20,835 WARN L191 SmtUtils]: Spent 14.67 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 19:05:22,586 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:05:26,682 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 19:05:28,605 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:05:30,506 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:05:30,522 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-16 19:05:30,593 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-16 19:05:30,610 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-16 19:05:43,007 WARN L191 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 452 DAG size of output: 449 [2019-09-16 19:05:49,205 WARN L191 SmtUtils]: Spent 6.20 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-16 19:06:01,310 WARN L191 SmtUtils]: Spent 12.10 s on a formula simplification. DAG size of input: 452 DAG size of output: 449 [2019-09-16 19:06:07,235 WARN L191 SmtUtils]: Spent 5.92 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-16 19:06:23,412 WARN L191 SmtUtils]: Spent 16.10 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-16 19:06:23,519 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 19:06:23,978 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-16 19:06:40,018 WARN L191 SmtUtils]: Spent 16.04 s on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2019-09-16 19:06:40,575 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-16 19:06:40,854 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 76 [2019-09-16 19:06:41,202 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 76 [2019-09-16 19:06:42,679 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-16 19:06:42,815 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 19:06:43,231 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-16 19:06:43,364 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 19:06:43,522 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 19:06:43,671 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 19:06:44,440 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-09-16 19:06:44,835 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-16 19:06:45,600 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-09-16 19:06:45,979 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-16 19:06:46,477 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-16 19:06:46,612 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 19:06:47,013 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-16 19:06:47,142 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 19:06:47,296 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 19:06:47,444 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 19:06:48,211 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-09-16 19:06:48,580 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-16 19:06:49,339 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-09-16 19:06:49,708 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-16 19:06:49,722 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-16 19:06:49,724 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-16 19:06:49,976 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-16 19:06:50,520 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-16 19:06:50,749 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 19:06:51,218 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-16 19:06:51,470 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 19:06:51,472 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 69 for LOIs [2019-09-16 19:06:51,478 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-16 19:06:51,678 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-16 19:06:51,679 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:06:51,679 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:06:51,682 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 379#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string64.offset| 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-16 19:06:51,692 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:06:51,692 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:06:51,694 INFO L168 Benchmark]: Toolchain (without parser) took 117839.71 ms. Allocated memory was 140.0 MB in the beginning and 248.0 MB in the end (delta: 108.0 MB). Free memory was 87.1 MB in the beginning and 78.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,695 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.33 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.8 MB in the beginning and 166.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,697 INFO L168 Benchmark]: Boogie Preprocessor took 83.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 161.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,697 INFO L168 Benchmark]: RCFGBuilder took 1709.10 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 161.8 MB in the beginning and 146.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,698 INFO L168 Benchmark]: Sifa took 115370.91 ms. Allocated memory was 224.9 MB in the beginning and 248.0 MB in the end (delta: 23.1 MB). Free memory was 146.0 MB in the beginning and 78.5 MB in the end (delta: 67.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:06:51,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.33 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.8 MB in the beginning and 166.1 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 161.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1709.10 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 161.8 MB in the beginning and 146.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. * Sifa took 115370.91 ms. Allocated memory was 224.9 MB in the beginning and 248.0 MB in the end (delta: 23.1 MB). Free memory was 146.0 MB in the beginning and 78.5 MB in the end (delta: 67.5 MB). Peak memory consumption was 90.6 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]: 115331, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME[ms]: 30276, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 140, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 56, TOOLS_QUANTIFIERELIM_APPLICATIONS: 231, TOOLS_QUANTIFIERELIM_TIME[ms]: 30389, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30221, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 84449, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 245, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8346, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8345, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 417, DAG_COMPRESSION_RETAINED_NODES: 196 - UnprovableResult [Line: 435]: 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 379#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string64.offset| 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...