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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:09:52,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:09:52,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:09:52,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:09:52,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:09:52,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:09:52,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:09:52,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:09:52,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:09:52,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:09:52,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:09:52,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:09:52,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:09:52,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:09:52,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:09:52,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:09:52,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:09:52,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:09:52,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:09:52,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:09:52,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:09:52,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:09:52,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:09:52,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:09:52,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:09:52,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:09:52,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:09:52,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:09:52,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:09:52,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:09:52,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:09:52,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:09:52,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:09:52,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:09:52,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:09:52,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:09:52,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:09:52,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:09:52,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:09:52,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:09:52,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:09:52,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:09:52,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:09:52,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:09:52,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:09:52,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:09:52,963 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:09:52,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:09:52,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:09:52,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:09:52,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:09:52,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:09:52,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:09:52,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:09:52,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:09:52,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:09:52,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:09:52,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:09:52,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:09:52,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:09:52,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:09:52,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:09:52,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:09:52,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:09:52,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:09:52,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:09:52,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:09:52,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:09:52,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:09:52,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:09:52,968 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 -> NONE [2019-09-20 15:09:53,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:09:53,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:09:53,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:09:53,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:09:53,023 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:09:53,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2019-09-20 15:09:53,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcab1dc59/961729ca1f624d17ba3862908b8c0f16/FLAG51671defa [2019-09-20 15:09:53,620 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:09:53,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2019-09-20 15:09:53,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcab1dc59/961729ca1f624d17ba3862908b8c0f16/FLAG51671defa [2019-09-20 15:09:53,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcab1dc59/961729ca1f624d17ba3862908b8c0f16 [2019-09-20 15:09:53,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:09:53,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:09:53,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:53,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:09:53,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:09:53,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:53" (1/1) ... [2019-09-20 15:09:53,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:53, skipping insertion in model container [2019-09-20 15:09:53,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:09:53" (1/1) ... [2019-09-20 15:09:53,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:09:53,989 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:09:54,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:54,463 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:09:54,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:09:54,635 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:09:54,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54 WrapperNode [2019-09-20 15:09:54,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:09:54,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:09:54,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:09:54,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:09:54,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (1/1) ... [2019-09-20 15:09:54,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:09:54,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:09:54,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:09:54,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:09:54,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:09:54" (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 [2019-09-20 15:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:09:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:09:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:09:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:09:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:09:56,300 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:09:56,301 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:09:56,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:56 BoogieIcfgContainer [2019-09-20 15:09:56,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:09:56,303 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:09:56,303 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:09:56,303 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:09:56,304 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:09:56" (1/1) ... [2019-09-20 15:09:56,305 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:09:56,325 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:09:56,326 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:09:56,334 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:09:56,343 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:09:56,344 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:07,888 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:07,931 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-20 15:10:07,990 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-20 15:10:08,004 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-20 15:10:08,409 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:10:08,412 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-20 15:10:08,429 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 88 for LOIs [2019-09-20 15:10:08,445 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-20 15:10:08,447 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:08,447 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:08,449 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 311#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (and (or (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0))) (= 0 ~systemActive~0)) (and (or (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (not (= 0 ~systemActive~0)))) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:08,467 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:08,467 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:08,471 INFO L168 Benchmark]: Toolchain (without parser) took 14548.80 ms. Allocated memory was 132.1 MB in the beginning and 265.8 MB in the end (delta: 133.7 MB). Free memory was 85.1 MB in the beginning and 88.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,472 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.67 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 164.2 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,476 INFO L168 Benchmark]: Boogie Preprocessor took 95.55 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 159.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,484 INFO L168 Benchmark]: RCFGBuilder took 1569.67 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.8 MB in the beginning and 146.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,485 INFO L168 Benchmark]: Sifa took 12164.70 ms. Allocated memory was 221.8 MB in the beginning and 265.8 MB in the end (delta: 44.0 MB). Free memory was 146.1 MB in the beginning and 88.6 MB in the end (delta: 57.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:08,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.67 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 164.2 MB in the end (delta: -79.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.55 ms. Allocated memory is still 199.2 MB. Free memory was 163.6 MB in the beginning and 159.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1569.67 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 159.8 MB in the beginning and 146.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Sifa took 12164.70 ms. Allocated memory was 221.8 MB in the beginning and 265.8 MB in the end (delta: 44.0 MB). Free memory was 146.1 MB in the beginning and 88.6 MB in the end (delta: 57.6 MB). Peak memory consumption was 101.6 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]: 12124, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 158, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 103, TOOLS_POST_TIME[ms]: 11584, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME[ms]: 143, TOOLS_POST_RETURN_APPLICATIONS: 38, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 185, TOOLS_QUANTIFIERELIM_TIME[ms]: 11704, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11492, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 160, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 36, 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]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 134, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 147, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 146, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 38, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11578, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11577, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 371, DAG_COMPRESSION_RETAINED_NODES: 178 - UnprovableResult [Line: 113]: 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 311#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (and (or (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string53.offset| 0))) (= 0 ~systemActive~0)) (and (or (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0)) (and (= |#t~string50.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string52.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string51.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0))) (not (= 0 ~systemActive~0)))) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...