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_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:26:53,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:26:53,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:26:53,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:26:53,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:26:53,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:26:53,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:26:53,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:26:53,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:26:53,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:26:53,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:26:53,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:26:53,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:26:53,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:26:53,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:26:53,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:26:53,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:26:53,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:26:53,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:26:53,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:26:53,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:26:53,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:26:53,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:26:53,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:26:53,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:26:53,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:26:53,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:26:53,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:26:53,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:26:53,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:26:53,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:26:53,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:26:53,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:26:53,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:26:53,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:26:53,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:26:53,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:26:53,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:26:53,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:26:53,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:26:53,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:26:53,376 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 16:26:53,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:26:53,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:26:53,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:26:53,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:26:53,407 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:26:53,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:26:53,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:26:53,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:26:53,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:26:53,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:26:53,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:26:53,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:26:53,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:26:53,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:26:53,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:26:53,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:26:53,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:26:53,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:26:53,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:26:53,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:26:53,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:26:53,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:26:53,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:26:53,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:26:53,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:26:53,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:26:53,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:26:53,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:26:53,413 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 16:26:53,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:26:53,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:26:53,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:26:53,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:26:53,481 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:26:53,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-09-25 16:26:53,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca34c5f8d/c554c36bcd7d4a40a6892337a057ac37/FLAG1d936c78e [2019-09-25 16:26:54,051 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:26:54,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-09-25 16:26:54,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca34c5f8d/c554c36bcd7d4a40a6892337a057ac37/FLAG1d936c78e [2019-09-25 16:26:54,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca34c5f8d/c554c36bcd7d4a40a6892337a057ac37 [2019-09-25 16:26:54,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:26:54,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:26:54,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:26:54,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:26:54,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:26:54,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:26:54" (1/1) ... [2019-09-25 16:26:54,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d590555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:54, skipping insertion in model container [2019-09-25 16:26:54,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:26:54" (1/1) ... [2019-09-25 16:26:54,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:26:54,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:26:55,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:26:55,029 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:26:55,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:26:55,162 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:26:55,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55 WrapperNode [2019-09-25 16:26:55,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:26:55,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:26:55,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:26:55,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:26:55,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (1/1) ... [2019-09-25 16:26:55,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:26:55,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:26:55,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:26:55,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:26:55,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:26:55" (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 16:26:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:26:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:26:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 16:26:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-25 16:26:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 16:26:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 16:26:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 16:26:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 16:26:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 16:26:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 16:26:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 16:26:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 16:26:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 16:26:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 16:26:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 16:26:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:26:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 16:26:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 16:26:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 16:26:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 16:26:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 16:26:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 16:26:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 16:26:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 16:26:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 16:26:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 16:26:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 16:26:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 16:26:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 16:26:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 16:26:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 16:26:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 16:26:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 16:26:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 16:26:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 16:26:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 16:26:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 16:26:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 16:26:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:26:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 16:26:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 16:26:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 16:26:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 16:26:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:26:56,898 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:26:56,898 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 16:26:56,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:26:56 BoogieIcfgContainer [2019-09-25 16:26:56,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:26:56,901 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:26:56,901 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:26:56,901 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:26:56,902 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:26:56" (1/1) ... [2019-09-25 16:26:56,903 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 16:26:56,931 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:26:56,934 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:26:56,948 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:26:56,960 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:26:56,961 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:27:07,070 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 16:27:08,861 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 16:27:09,035 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:09,152 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:09,293 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:09,596 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 16:27:09,623 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-09-25 16:27:09,700 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-09-25 16:27:09,706 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-09-25 16:27:10,395 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-25 16:27:11,082 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-25 16:27:11,511 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-25 16:27:11,886 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-25 16:27:12,483 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-09-25 16:27:12,894 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-25 16:27:13,020 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-09-25 16:27:13,179 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-25 16:27:14,088 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-09-25 16:27:14,958 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-25 16:27:15,574 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-25 16:27:15,833 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-09-25 16:27:16,528 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-09-25 16:27:17,896 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 16:27:17,900 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 137 for LOIs [2019-09-25 16:27:18,188 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 131 for LOIs [2019-09-25 16:27:18,211 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 142 for LOIs [2019-09-25 16:27:18,339 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:27:18,340 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:27:18,347 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 872#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= |#t~string4.offset| 0) (= |#t~string23.offset| 0) (<= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 2 ~waterLevel~0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-09-25 16:27:18,372 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:27:18,373 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:27:18,376 INFO L168 Benchmark]: Toolchain (without parser) took 23945.13 ms. Allocated memory was 140.5 MB in the beginning and 720.4 MB in the end (delta: 579.9 MB). Free memory was 87.2 MB in the beginning and 444.5 MB in the end (delta: -357.3 MB). Peak memory consumption was 222.5 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,378 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.92 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 166.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,391 INFO L168 Benchmark]: Boogie Preprocessor took 101.31 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 161.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,394 INFO L168 Benchmark]: RCFGBuilder took 1634.30 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.9 MB in the beginning and 143.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,395 INFO L168 Benchmark]: Sifa took 21472.80 ms. Allocated memory was 226.5 MB in the beginning and 720.4 MB in the end (delta: 493.9 MB). Free memory was 143.5 MB in the beginning and 444.5 MB in the end (delta: -301.0 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:18,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.92 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 166.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.31 ms. Allocated memory is still 200.3 MB. Free memory was 166.1 MB in the beginning and 161.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1634.30 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.9 MB in the beginning and 143.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * Sifa took 21472.80 ms. Allocated memory was 226.5 MB in the beginning and 720.4 MB in the end (delta: 493.9 MB). Free memory was 143.5 MB in the beginning and 444.5 MB in the end (delta: -301.0 MB). Peak memory consumption was 192.9 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]: 21417, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 281, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 12118, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 224, TOOLS_POST_RETURN_APPLICATIONS: 73, TOOLS_POST_RETURN_TIME[ms]: 127, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 12326, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11999, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 289, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 82, DOMAIN_JOIN_TIME[ms]: 7754, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 831, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME[ms]: 140, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4847, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4847, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 73, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12873, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12871, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 223 - UnprovableResult [Line: 580]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 872#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (= |#t~string72.offset| 0) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string29.offset| 0) (= |#t~string4.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= |#t~string4.offset| 0) (= |#t~string23.offset| 0) (<= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (= |#t~string12.offset| 0) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 2 ~waterLevel~0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= 0 |#t~string72.offset|) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...