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_spec5_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:50:40,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:50:40,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:50:40,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:50:40,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:50:40,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:50:40,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:50:40,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:50:40,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:50:40,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:50:40,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:50:40,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:50:40,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:50:40,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:50:40,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:50:40,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:50:40,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:50:40,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:50:40,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:50:40,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:50:40,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:50:40,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:50:40,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:50:40,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:50:40,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:50:40,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:50:40,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:50:40,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:50:40,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:50:40,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:50:40,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:50:40,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:50:40,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:50:40,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:50:40,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:50:40,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:50:40,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:50:40,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:50:40,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:50:40,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:50:40,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:50:40,744 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 12:50:40,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:50:40,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:50:40,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:50:40,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:50:40,771 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:50:40,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:50:40,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:50:40,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:50:40,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:50:40,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:50:40,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:50:40,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:50:40,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:50:40,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:50:40,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:50:40,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:50:40,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:50:40,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:50:40,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:50:40,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:50:40,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:50:40,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:50:40,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:50:40,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:50:40,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:50:40,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:50:40,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:50:40,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:50:40,778 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 12:50:40,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:50:40,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:50:40,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:50:40,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:50:40,863 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:50:40,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-10-04 12:50:40,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20dff3ee5/47c44b7ec5384d9fad31151a763c0a56/FLAGeb780390d [2019-10-04 12:50:41,531 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:50:41,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-10-04 12:50:41,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20dff3ee5/47c44b7ec5384d9fad31151a763c0a56/FLAGeb780390d [2019-10-04 12:50:41,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20dff3ee5/47c44b7ec5384d9fad31151a763c0a56 [2019-10-04 12:50:41,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:50:41,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:50:41,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:50:41,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:50:41,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:50:41,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:50:41" (1/1) ... [2019-10-04 12:50:41,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377a6792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:41, skipping insertion in model container [2019-10-04 12:50:41,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:50:41" (1/1) ... [2019-10-04 12:50:41,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:50:41,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:50:42,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:50:42,336 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:50:42,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:50:42,502 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:50:42,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42 WrapperNode [2019-10-04 12:50:42,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:50:42,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:50:42,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:50:42,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:50:42,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (1/1) ... [2019-10-04 12:50:42,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:50:42,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:50:42,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:50:42,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:50:42,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:42" (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 12:50:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:50:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:50:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:50:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:50:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:50:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:50:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:50:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:50:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:50:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:50:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:50:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:50:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:50:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:50:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:50:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:50:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:50:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:50:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:50:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:50:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:50:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:50:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:50:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:50:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:50:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:50:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:50:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:50:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:50:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:50:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:50:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:50:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:50:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:50:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:50:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:50:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:50:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-04 12:50:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-04 12:50:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-04 12:50:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:50:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:50:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-04 12:50:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:50:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:50:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:50:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:50:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:50:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:50:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:50:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-04 12:50:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:50:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:50:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:50:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:50:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:50:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:50:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:50:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:50:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:50:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:50:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:50:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:50:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:50:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:50:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:50:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:50:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:50:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:50:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:50:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:50:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:50:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:50:44,537 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:50:44,538 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:50:44,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:50:44 BoogieIcfgContainer [2019-10-04 12:50:44,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:50:44,540 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:50:44,540 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:50:44,540 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:50:44,541 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:50:44" (1/1) ... [2019-10-04 12:50:44,542 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 12:50:44,567 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:50:44,568 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:50:44,577 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:50:44,586 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:50:44,588 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:50:54,236 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-04 12:50:55,935 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:50:56,201 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:56,355 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:56,486 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:56,803 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:50:56,833 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-10-04 12:50:56,907 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-04 12:50:56,926 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 546 for LOIs [2019-10-04 12:50:57,166 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-04 12:50:57,355 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-04 12:50:58,285 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-04 12:50:58,946 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-04 12:50:59,252 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-04 12:50:59,615 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-04 12:50:59,883 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-04 12:51:00,046 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-04 12:51:00,317 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-04 12:51:00,488 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-04 12:51:00,678 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-04 12:51:00,947 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-04 12:51:01,427 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2019-10-04 12:51:01,564 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-04 12:51:01,918 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 633 [2019-10-04 12:51:02,288 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 633 [2019-10-04 12:51:02,785 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-10-04 12:51:03,723 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2019-10-04 12:51:03,830 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-04 12:51:04,463 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 633 [2019-10-04 12:51:05,064 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 633 [2019-10-04 12:51:05,612 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-10-04 12:51:05,975 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:51:05,980 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-10-04 12:51:06,220 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 115 for LOIs [2019-10-04 12:51:06,228 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 125 for LOIs [2019-10-04 12:51:06,280 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:51:06,286 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:51:06,288 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 815#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (<= ~head~0.offset 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string11.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string35.offset| 0) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (not (= 2 ~waterLevel~0)) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-10-04 12:51:06,302 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:51:06,303 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:51:06,304 INFO L168 Benchmark]: Toolchain (without parser) took 24532.73 ms. Allocated memory was 133.2 MB in the beginning and 710.9 MB in the end (delta: 577.8 MB). Free memory was 88.8 MB in the beginning and 632.7 MB in the end (delta: -543.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:51:06,305 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:51:06,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.52 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 166.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:51:06,307 INFO L168 Benchmark]: Boogie Preprocessor took 118.08 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-04 12:51:06,308 INFO L168 Benchmark]: RCFGBuilder took 1917.58 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 161.7 MB in the beginning and 145.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:51:06,309 INFO L168 Benchmark]: Sifa took 21763.07 ms. Allocated memory was 225.4 MB in the beginning and 710.9 MB in the end (delta: 485.5 MB). Free memory was 145.5 MB in the beginning and 632.7 MB in the end (delta: -487.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:51:06,313 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.52 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 166.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.08 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1917.58 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 161.7 MB in the beginning and 145.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 21763.07 ms. Allocated memory was 225.4 MB in the beginning and 710.9 MB in the end (delta: 485.5 MB). Free memory was 145.5 MB in the beginning and 632.7 MB in the end (delta: -487.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 21721, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 187, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 11693, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 221, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 11911, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11553, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 8172, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 714, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 414, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 207, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4965, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4965, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12354, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12353, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 397, DAG_COMPRESSION_RETAINED_NODES: 185 - UnprovableResult [Line: 82]: 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 815#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (<= ~head~0.offset 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string11.offset|) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string35.offset| 0) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (not (= 2 ~waterLevel~0)) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...