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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:29:35,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:29:35,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:29:35,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:29:35,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:29:35,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:29:35,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:29:35,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:29:35,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:29:35,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:29:35,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:29:35,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:29:35,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:29:35,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:29:35,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:29:35,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:29:35,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:29:35,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:29:35,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:29:35,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:29:35,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:29:35,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:29:35,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:29:35,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:29:35,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:29:35,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:29:35,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:29:35,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:29:35,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:29:35,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:29:35,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:29:35,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:29:35,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:29:35,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:29:35,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:29:35,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:29:35,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:29:35,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:29:35,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:29:35,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:29:35,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:29:35,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 16:29:35,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:29:35,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:29:35,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:29:35,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:29:35,349 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:29:35,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:29:35,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:29:35,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:29:35,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:29:35,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:29:35,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:29:35,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:29:35,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:29:35,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:29:35,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:29:35,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:29:35,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:29:35,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:29:35,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:29:35,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:29:35,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:29:35,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:29:35,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:29:35,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:29:35,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:29:35,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:29:35,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:29:35,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:29:35,355 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:29:35,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:29:35,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:29:35,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:29:35,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:29:35,435 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:29:35,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-25 16:29:35,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250988260/6a604b9a08ca4f539b64b6724196edbf/FLAG3269f2d7f [2019-09-25 16:29:35,995 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:29:35,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-25 16:29:36,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250988260/6a604b9a08ca4f539b64b6724196edbf/FLAG3269f2d7f [2019-09-25 16:29:36,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250988260/6a604b9a08ca4f539b64b6724196edbf [2019-09-25 16:29:36,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:29:36,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:29:36,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:29:36,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:29:36,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:29:36,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:36,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a67fb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36, skipping insertion in model container [2019-09-25 16:29:36,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:36,383 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:29:36,437 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:29:36,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:29:36,839 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:29:36,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:29:36,954 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:29:36,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36 WrapperNode [2019-09-25 16:29:36,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:29:36,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:29:36,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:29:36,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:29:36,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:36,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:36,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:36,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:37,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:37,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:37,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... [2019-09-25 16:29:37,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:29:37,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:29:37,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:29:37,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:29:37,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:29:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:29:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:29:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:29:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 16:29:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 16:29:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 16:29:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 16:29:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 16:29:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:29:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 16:29:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 16:29:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 16:29:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 16:29:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 16:29:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 16:29:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 16:29:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 16:29:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 16:29:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 16:29:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 16:29:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 16:29:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 16:29:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 16:29:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 16:29:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 16:29:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 16:29:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 16:29:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:29:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:29:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 16:29:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 16:29:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:29:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 16:29:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 16:29:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:29:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 16:29:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 16:29:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 16:29:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 16:29:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 16:29:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 16:29:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 16:29:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 16:29:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 16:29:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 16:29:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 16:29:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 16:29:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 16:29:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 16:29:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 16:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 16:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 16:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 16:29:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:29:38,634 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:29:38,634 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 16:29:38,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:29:38 BoogieIcfgContainer [2019-09-25 16:29:38,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:29:38,637 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:29:38,637 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:29:38,638 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:29:38,639 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:29:38" (1/1) ... [2019-09-25 16:29:38,639 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 [2019-09-25 16:29:38,674 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:29:38,674 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:29:38,690 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:29:38,703 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:29:38,705 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:29:48,596 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 16:29:50,376 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 16:29:50,534 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 16:29:50,665 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 16:29:50,787 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 16:29:51,085 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-25 16:29:51,105 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-09-25 16:29:51,161 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-09-25 16:29:51,178 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 546 for LOIs [2019-09-25 16:29:51,391 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-25 16:29:51,563 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-25 16:29:52,211 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-09-25 16:29:52,710 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-09-25 16:29:53,266 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2019-09-25 16:29:53,949 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-09-25 16:29:54,614 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 177 [2019-09-25 16:29:56,065 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 16:29:56,069 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-09-25 16:29:56,372 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 137 for LOIs [2019-09-25 16:29:56,380 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 151 for LOIs [2019-09-25 16:29:56,449 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:29:56,450 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:29:56,452 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 558#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string53.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string49.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string65.offset|) (<= |#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) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-25 16:29:56,464 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:29:56,464 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:29:56,466 INFO L168 Benchmark]: Toolchain (without parser) took 20096.43 ms. Allocated memory was 141.0 MB in the beginning and 547.9 MB in the end (delta: 406.8 MB). Free memory was 88.1 MB in the beginning and 176.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 318.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,467 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.91 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 87.9 MB in the beginning and 165.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,469 INFO L168 Benchmark]: Boogie Preprocessor took 119.86 ms. Allocated memory is still 199.2 MB. Free memory was 165.4 MB in the beginning and 160.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,470 INFO L168 Benchmark]: RCFGBuilder took 1559.20 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.9 MB in the beginning and 142.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,471 INFO L168 Benchmark]: Sifa took 17827.29 ms. Allocated memory was 227.0 MB in the beginning and 547.9 MB in the end (delta: 320.9 MB). Free memory was 142.8 MB in the beginning and 176.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 287.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:29:56,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 586.91 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 87.9 MB in the beginning and 165.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.86 ms. Allocated memory is still 199.2 MB. Free memory was 165.4 MB in the beginning and 160.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1559.20 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.9 MB in the beginning and 142.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 17827.29 ms. Allocated memory was 227.0 MB in the beginning and 547.9 MB in the end (delta: 320.9 MB). Free memory was 142.8 MB in the beginning and 176.3 MB in the end (delta: -33.5 MB). Peak memory consumption was 287.4 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]: 17778, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 11798, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 166, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 11937, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11728, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 5149, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 300, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 109, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2843, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2842, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12498, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12497, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 359, DAG_COMPRESSION_RETAINED_NODES: 185 - UnprovableResult [Line: 516]: 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 558#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= |#t~string53.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string49.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string65.offset|) (<= |#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) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...