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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:48:28,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:48:28,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:48:28,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:48:28,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:48:28,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:48:28,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:48:28,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:48:28,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:48:28,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:48:28,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:48:28,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:48:28,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:48:28,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:48:28,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:48:28,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:48:28,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:48:28,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:48:28,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:48:28,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:48:28,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:48:28,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:48:28,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:48:28,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:48:28,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:48:28,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:48:28,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:48:28,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:48:28,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:48:28,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:48:28,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:48:28,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:48:28,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:48:28,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:48:28,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:48:28,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:48:28,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:48:28,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:48:28,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:48:28,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:48:28,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:48:28,640 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 [2019-10-14 02:48:28,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:48:28,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:48:28,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:48:28,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:48:28,656 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:48:28,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:48:28,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:48:28,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:48:28,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:48:28,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:48:28,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:48:28,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:48:28,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:48:28,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:48:28,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:48:28,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:48:28,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:48:28,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:48:28,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:48:28,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:48:28,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:48:28,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:48:28,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:48:28,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:48:28,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:48:28,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:48:28,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:48:28,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:48:28,661 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 [2019-10-14 02:48:28,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:48:29,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:48:29,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:48:29,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:48:29,007 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:48:29,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-14 02:48:29,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ee9f4f6/a32bdab08a564b7daabc73cbcc36975c/FLAGa24172d3c [2019-10-14 02:48:29,586 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:48:29,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-14 02:48:29,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ee9f4f6/a32bdab08a564b7daabc73cbcc36975c/FLAGa24172d3c [2019-10-14 02:48:29,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ee9f4f6/a32bdab08a564b7daabc73cbcc36975c [2019-10-14 02:48:29,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:48:29,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:48:29,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:48:29,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:48:29,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:48:29,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:29" (1/1) ... [2019-10-14 02:48:29,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1b611e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:29, skipping insertion in model container [2019-10-14 02:48:29,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:29" (1/1) ... [2019-10-14 02:48:29,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:48:29,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:48:30,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:48:30,459 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:48:30,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:48:30,598 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:48:30,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30 WrapperNode [2019-10-14 02:48:30,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:48:30,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:48:30,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:48:30,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:48:30,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (1/1) ... [2019-10-14 02:48:30,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:48:30,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:48:30,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:48:30,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:48:30,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:30" (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 [2019-10-14 02:48:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:48:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:48:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:48:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:48:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:48:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:48:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:48:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:48:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:48:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:48:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:48:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:48:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:48:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:48:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:48:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:48:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:48:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:48:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:48:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 02:48:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:48:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:48:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:48:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 02:48:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 02:48:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:48:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:48:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:48:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:48:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:48:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:48:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:48:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:48:32,403 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:48:32,403 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:48:32,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:32 BoogieIcfgContainer [2019-10-14 02:48:32,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:48:32,405 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:48:32,405 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:48:32,406 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:48:32,407 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:32" (1/1) ... [2019-10-14 02:48:32,407 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 [2019-10-14 02:48:32,436 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:48:32,437 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:48:32,451 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:48:32,462 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:48:32,464 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:48:41,885 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:48:43,557 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:48:43,708 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:43,839 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:43,979 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:44,238 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:48:44,256 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:48:44,309 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:48:44,315 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:48:44,984 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:48:45,574 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:48:46,210 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-14 02:48:46,819 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-14 02:48:47,099 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 02:48:47,236 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 02:48:47,398 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-10-14 02:48:47,650 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-14 02:48:48,636 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2019-10-14 02:48:49,463 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-14 02:48:50,312 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:48:50,314 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 142 for LOIs [2019-10-14 02:48:50,638 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 131 for LOIs [2019-10-14 02:48:50,670 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 144 for LOIs [2019-10-14 02:48:50,754 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:48:50,755 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:48:50,762 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 700#(and (<= |#t~string74.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (= |#NULL.base| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (= |#t~string51.offset| 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (= |#t~string57.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= 0 |#t~string74.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string49.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string74.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string68.offset|)) [2019-10-14 02:48:50,785 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:48:50,786 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:48:50,788 INFO L168 Benchmark]: Toolchain (without parser) took 20861.52 ms. Allocated memory was 138.4 MB in the beginning and 574.6 MB in the end (delta: 436.2 MB). Free memory was 102.9 MB in the beginning and 187.1 MB in the end (delta: -84.2 MB). Peak memory consumption was 352.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,789 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.28 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 170.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,791 INFO L168 Benchmark]: Boogie Preprocessor took 90.16 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,793 INFO L168 Benchmark]: RCFGBuilder took 1715.00 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 144.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,794 INFO L168 Benchmark]: Sifa took 18380.49 ms. Allocated memory was 235.4 MB in the beginning and 574.6 MB in the end (delta: 339.2 MB). Free memory was 144.7 MB in the beginning and 187.1 MB in the end (delta: -42.4 MB). Peak memory consumption was 296.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:50,797 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.28 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 170.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.16 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1715.00 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 144.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Sifa took 18380.49 ms. Allocated memory was 235.4 MB in the beginning and 574.6 MB in the end (delta: 339.2 MB). Free memory was 144.7 MB in the beginning and 187.1 MB in the end (delta: -42.4 MB). Peak memory consumption was 296.8 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]: 18326, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 219, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 11260, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 162, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME[ms]: 11409, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11170, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 223, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 70, DOMAIN_JOIN_TIME[ms]: 5897, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 615, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 108, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3987, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3986, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12010, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12009, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 341, DAG_COMPRESSION_RETAINED_NODES: 208 - UnprovableResult [Line: 968]: 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 700#(and (<= |#t~string74.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (= |#NULL.base| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (= |#t~string51.offset| 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (= |#t~string57.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= 0 |#t~string74.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string49.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string74.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...