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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:49:24,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:49:24,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:49:24,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:49:24,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:49:24,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:49:24,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:49:24,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:49:24,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:49:24,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:49:24,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:49:24,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:49:24,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:49:24,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:49:24,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:49:24,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:49:24,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:49:24,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:49:24,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:49:24,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:49:24,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:49:24,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:49:24,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:49:24,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:49:24,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:49:24,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:49:24,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:49:24,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:49:24,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:49:24,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:49:24,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:49:24,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:49:24,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:49:24,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:49:24,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:49:24,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:49:24,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:49:24,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:49:24,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:49:24,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:49:24,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:49:24,810 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 [2019-09-25 17:49:24,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:49:24,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:49:24,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:49:24,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:49:24,827 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:49:24,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:49:24,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:49:24,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:49:24,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:49:24,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:49:24,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:49:24,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:49:24,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:49:24,828 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:49:24,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:49:24,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:49:24,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:49:24,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:49:24,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:49:24,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:49:24,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:49:24,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:49:24,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:49:24,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:49:24,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:49:24,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:49:24,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:49:24,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:49:24,832 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:49:24,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:49:24,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:49:24,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:49:24,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:49:24,894 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:49:24,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-09-25 17:49:24,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9d5ef8/88ecc6011f564b5e95a542d78ae47a53/FLAGc100eeb13 [2019-09-25 17:49:25,534 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:49:25,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-09-25 17:49:25,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9d5ef8/88ecc6011f564b5e95a542d78ae47a53/FLAGc100eeb13 [2019-09-25 17:49:25,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9d5ef8/88ecc6011f564b5e95a542d78ae47a53 [2019-09-25 17:49:25,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:49:25,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:49:25,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:49:25,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:49:25,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:49:25,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:49:25" (1/1) ... [2019-09-25 17:49:25,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c3183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:25, skipping insertion in model container [2019-09-25 17:49:25,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:49:25" (1/1) ... [2019-09-25 17:49:25,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:49:25,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:49:26,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:49:26,487 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:49:26,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:49:26,613 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:49:26,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26 WrapperNode [2019-09-25 17:49:26,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:49:26,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:49:26,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:49:26,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:49:26,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (1/1) ... [2019-09-25 17:49:26,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:49:26,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:49:26,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:49:26,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:49:26,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:49:26" (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 [2019-09-25 17:49:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:49:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:49:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:49:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:49:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:49:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:49:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:49:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:49:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:49:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:49:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:49:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:49:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:49:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:49:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:49:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:49:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 17:49:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:49:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:49:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:49:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:49:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:49:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:49:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:49:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:49:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 17:49:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:49:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:49:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:49:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:49:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:49:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:49:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:49:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:49:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:49:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:49:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:49:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:49:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:49:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:49:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:49:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:49:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:49:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:49:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:49:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:49:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:49:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:49:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:49:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:49:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:49:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:49:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:49:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:49:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:49:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:49:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:49:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:49:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:49:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:49:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:49:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:49:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:49:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:49:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:49:28,411 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:49:28,412 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:49:28,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:49:28 BoogieIcfgContainer [2019-09-25 17:49:28,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:49:28,414 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:49:28,414 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:49:28,415 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:49:28,416 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:49:28" (1/1) ... [2019-09-25 17:49:28,416 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:49:28,442 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:49:28,445 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:49:28,459 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:49:28,474 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:49:28,476 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:49:39,215 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:49:40,772 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:49:40,949 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:49:41,103 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:49:41,217 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:49:41,240 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:49:41,311 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:49:41,327 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:49:41,490 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:49:41,610 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:49:41,987 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:42,417 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:42,687 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:43,024 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:43,210 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:43,502 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:43,669 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:43,929 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:49:44,422 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:45,448 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:49:45,731 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:49:46,218 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:47,148 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:48,303 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:48,743 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:49:48,999 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:49:49,435 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:50,500 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:50,971 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:51,437 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:49:51,655 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:49:52,073 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:52,703 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:53,204 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:49:53,612 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-25 17:49:53,843 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:49:54,269 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:54,883 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:49:54,942 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:49:54,944 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-25 17:49:55,036 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:49:55,041 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:49:55,053 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:49:55,053 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:49:55,055 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 949#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string74.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string72.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)) [2019-09-25 17:49:55,069 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:49:55,069 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:49:55,071 INFO L168 Benchmark]: Toolchain (without parser) took 29241.91 ms. Allocated memory was 138.4 MB in the beginning and 944.2 MB in the end (delta: 805.8 MB). Free memory was 85.1 MB in the beginning and 146.5 MB in the end (delta: -61.4 MB). Peak memory consumption was 744.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,072 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.92 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.9 MB in the beginning and 162.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,074 INFO L168 Benchmark]: Boogie Preprocessor took 90.01 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,075 INFO L168 Benchmark]: RCFGBuilder took 1708.48 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.3 MB in the beginning and 136.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,076 INFO L168 Benchmark]: Sifa took 26655.37 ms. Allocated memory was 219.2 MB in the beginning and 944.2 MB in the end (delta: 725.1 MB). Free memory was 136.6 MB in the beginning and 146.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 715.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:49:55,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.92 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.9 MB in the beginning and 162.8 MB in the end (delta: -77.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.01 ms. Allocated memory is still 198.2 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1708.48 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.3 MB in the beginning and 136.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * Sifa took 26655.37 ms. Allocated memory was 219.2 MB in the beginning and 944.2 MB in the end (delta: 725.1 MB). Free memory was 136.6 MB in the beginning and 146.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 715.2 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]: 26614, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 379, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 256, TOOLS_POST_TIME[ms]: 12501, TOOLS_POST_CALL_APPLICATIONS: 105, TOOLS_POST_CALL_TIME[ms]: 308, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 179, TOOLS_QUANTIFIERELIM_APPLICATIONS: 458, TOOLS_QUANTIFIERELIM_TIME[ms]: 12812, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12381, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 387, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 122, DOMAIN_JOIN_TIME[ms]: 10936, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2135, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 83, DOMAIN_ISBOTTOM_TIME[ms]: 315, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7996, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7995, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12874, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12872, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 496, DAG_COMPRESSION_RETAINED_NODES: 262 - UnprovableResult [Line: 44]: 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 949#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string74.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string72.offset| 0) (= |#t~string62.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string11.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...