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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:47:04,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:47:04,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:47:04,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:47:04,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:47:04,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:47:04,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:47:04,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:47:04,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:47:04,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:47:04,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:47:04,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:47:04,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:47:04,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:47:04,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:47:04,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:47:04,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:47:04,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:47:04,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:47:04,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:47:04,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:47:04,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:47:04,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:47:04,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:47:04,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:47:04,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:47:04,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:47:04,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:47:04,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:47:04,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:47:04,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:47:04,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:47:04,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:47:04,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:47:04,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:47:04,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:47:04,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:47:04,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:47:04,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:47:04,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:47:04,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:47:04,922 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 [2019-10-04 12:47:04,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:47:04,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:47:04,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:47:04,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:47:04,941 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:47:04,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:47:04,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:47:04,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:47:04,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:47:04,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:47:04,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:47:04,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:47:04,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:47:04,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:47:04,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:47:04,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:47:04,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:47:04,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:47:04,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:47:04,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:47:04,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:47:04,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:47:04,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:47:04,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:47:04,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:47:04,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:47:04,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:47:04,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:47:04,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:47:04,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:47:05,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:47:05,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:47:05,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:47:05,023 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:47:05,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-04 12:47:05,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9673fa81e/d38d24a07ce748bd8df098991babb7f8/FLAGf5de7c7c4 [2019-10-04 12:47:05,567 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:47:05,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-04 12:47:05,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9673fa81e/d38d24a07ce748bd8df098991babb7f8/FLAGf5de7c7c4 [2019-10-04 12:47:05,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9673fa81e/d38d24a07ce748bd8df098991babb7f8 [2019-10-04 12:47:05,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:47:05,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:47:05,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:47:05,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:47:05,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:47:05,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:47:05" (1/1) ... [2019-10-04 12:47:05,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:05, skipping insertion in model container [2019-10-04 12:47:05,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:47:05" (1/1) ... [2019-10-04 12:47:05,958 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:47:06,015 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:47:06,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:47:06,452 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:47:06,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:47:06,612 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:47:06,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06 WrapperNode [2019-10-04 12:47:06,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:47:06,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:47:06,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:47:06,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:47:06,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (1/1) ... [2019-10-04 12:47:06,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:47:06,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:47:06,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:47:06,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:47:06,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:47:06" (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 [2019-10-04 12:47:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:47:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:47:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:47:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-04 12:47:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:47:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:47:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:47:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:47:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:47:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:47:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-04 12:47:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:47:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:47:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:47:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:47:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:47:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:47:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:47:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:47:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:47:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:47:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:47:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:47:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:47:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:47:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:47:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:47:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:47:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:47:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:47:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:47:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:47:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:47:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:47:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:47:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:47:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:47:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:47:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:47:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:47:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-04 12:47:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:47:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:47:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-04 12:47:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:47:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:47:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:47:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:47:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:47:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:47:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:47:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:47:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:47:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:47:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:47:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:47:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:47:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:47:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:47:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:47:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:47:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:47:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:47:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:47:08,387 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:47:08,387 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:47:08,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:47:08 BoogieIcfgContainer [2019-10-04 12:47:08,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:47:08,390 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:47:08,390 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:47:08,391 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:47:08,392 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:47:08" (1/1) ... [2019-10-04 12:47:08,393 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 12:47:08,435 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:47:08,436 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:47:08,445 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:47:08,455 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:47:08,456 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:47:17,999 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:47:19,629 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:47:19,771 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:19,936 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:20,131 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:20,408 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:47:20,435 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:47:20,520 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:47:20,529 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:47:21,252 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-04 12:47:21,910 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-04 12:47:22,381 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-04 12:47:22,781 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-04 12:47:23,448 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-04 12:47:24,047 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-04 12:47:24,777 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-10-04 12:47:25,515 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-04 12:47:26,162 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-10-04 12:47:26,584 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-04 12:47:27,786 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-04 12:47:28,188 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-04 12:47:28,317 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-04 12:47:28,541 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-04 12:47:29,070 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:47:29,072 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 137 for LOIs [2019-10-04 12:47:29,248 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 131 for LOIs [2019-10-04 12:47:29,259 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 142 for LOIs [2019-10-04 12:47:29,324 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:47:29,324 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:47:29,326 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 872#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= |#t~string4.offset| 0) (= |#t~string23.offset| 0) (<= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 2 ~waterLevel~0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-10-04 12:47:29,337 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:47:29,337 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:47:29,339 INFO L168 Benchmark]: Toolchain (without parser) took 23397.93 ms. Allocated memory was 137.9 MB in the beginning and 679.0 MB in the end (delta: 541.1 MB). Free memory was 84.6 MB in the beginning and 208.6 MB in the end (delta: -124.0 MB). Peak memory consumption was 417.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,340 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.49 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 84.4 MB in the beginning and 163.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,342 INFO L168 Benchmark]: Boogie Preprocessor took 86.88 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,343 INFO L168 Benchmark]: RCFGBuilder took 1688.26 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.4 MB in the beginning and 141.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,344 INFO L168 Benchmark]: Sifa took 20946.94 ms. Allocated memory was 219.2 MB in the beginning and 679.0 MB in the end (delta: 459.8 MB). Free memory was 141.4 MB in the beginning and 208.6 MB in the end (delta: -67.2 MB). Peak memory consumption was 392.6 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:29,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.49 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 84.4 MB in the beginning and 163.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.88 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1688.26 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.4 MB in the beginning and 141.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Sifa took 20946.94 ms. Allocated memory was 219.2 MB in the beginning and 679.0 MB in the end (delta: 459.8 MB). Free memory was 141.4 MB in the beginning and 208.6 MB in the end (delta: -67.2 MB). Peak memory consumption was 392.6 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]: 20891, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 281, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 11364, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 218, TOOLS_POST_RETURN_APPLICATIONS: 73, TOOLS_POST_RETURN_TIME[ms]: 136, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 11590, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11254, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 289, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 82, DOMAIN_JOIN_TIME[ms]: 7849, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 969, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME[ms]: 143, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5221, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5220, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 73, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12247, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12246, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 223 - UnprovableResult [Line: 580]: 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 872#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= |#t~string4.offset| 0) (= |#t~string23.offset| 0) (<= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 2 ~waterLevel~0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...