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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:50:24,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:50:24,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:50:24,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:50:24,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:50:24,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:50:24,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:50:24,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:50:24,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:50:24,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:50:24,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:50:24,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:50:24,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:50:24,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:50:24,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:50:24,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:50:24,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:50:24,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:50:24,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:50:24,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:50:24,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:50:24,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:50:24,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:50:24,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:50:24,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:50:24,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:50:24,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:50:24,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:50:24,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:50:24,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:50:24,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:50:24,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:50:24,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:50:24,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:50:24,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:50:24,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:50:24,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:50:24,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:50:24,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:50:24,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:50:24,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:50:24,301 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 12:50:24,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:50:24,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:50:24,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:50:24,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:50:24,330 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:50:24,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:50:24,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:50:24,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:50:24,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:50:24,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:50:24,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:50:24,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:50:24,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:50:24,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:50:24,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:50:24,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:50:24,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:50:24,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:50:24,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:50:24,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:50:24,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:50:24,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:50:24,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:50:24,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:50:24,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:50:24,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:50:24,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:50:24,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:50:24,337 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 12:50:24,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:50:24,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:50:24,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:50:24,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:50:24,398 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:50:24,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-10-04 12:50:24,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6ca0c25/b73ca127af204c4cbec15cff0bdb59ca/FLAG36f8b1d3a [2019-10-04 12:50:25,012 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:50:25,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-10-04 12:50:25,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6ca0c25/b73ca127af204c4cbec15cff0bdb59ca/FLAG36f8b1d3a [2019-10-04 12:50:25,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6ca0c25/b73ca127af204c4cbec15cff0bdb59ca [2019-10-04 12:50:25,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:50:25,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:50:25,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:50:25,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:50:25,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:50:25,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:50:25" (1/1) ... [2019-10-04 12:50:25,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:25, skipping insertion in model container [2019-10-04 12:50:25,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:50:25" (1/1) ... [2019-10-04 12:50:25,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:50:25,429 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:50:25,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:50:25,913 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:50:26,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:50:26,067 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:50:26,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26 WrapperNode [2019-10-04 12:50:26,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:50:26,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:50:26,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:50:26,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:50:26,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (1/1) ... [2019-10-04 12:50:26,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:50:26,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:50:26,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:50:26,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:50:26,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:50:26" (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 12:50:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:50:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:50:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:50:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:50:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:50:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:50:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:50:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:50:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:50:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-04 12:50:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:50:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:50:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:50:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:50:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:50:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:50:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:50:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:50:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:50:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:50:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-04 12:50:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-04 12:50:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:50:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:50:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:50:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:50:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:50:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:50:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:50:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:50:27,829 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:50:27,830 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:50:27,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:50:27 BoogieIcfgContainer [2019-10-04 12:50:27,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:50:27,832 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:50:27,832 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:50:27,833 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:50:27,834 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:50:27" (1/1) ... [2019-10-04 12:50:27,835 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 12:50:27,869 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:50:27,869 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:50:27,885 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:50:27,896 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:50:27,898 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:50:38,174 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-04 12:50:39,978 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:50:40,178 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:40,329 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:40,460 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-04 12:50:40,766 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:50:40,797 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-10-04 12:50:40,881 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-04 12:50:40,899 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 546 for LOIs [2019-10-04 12:50:41,147 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-04 12:50:41,325 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-04 12:50:41,942 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-04 12:50:42,525 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-04 12:50:43,135 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2019-10-04 12:50:43,356 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-04 12:50:44,648 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-04 12:50:45,940 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:50:45,946 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-10-04 12:50:46,390 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 137 for LOIs [2019-10-04 12:50:46,402 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 151 for LOIs [2019-10-04 12:50:46,532 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:50:46,533 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:50:46,535 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|)) [2019-10-04 12:50:46,553 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:50:46,553 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:50:46,556 INFO L168 Benchmark]: Toolchain (without parser) took 21205.87 ms. Allocated memory was 133.7 MB in the beginning and 567.3 MB in the end (delta: 433.6 MB). Free memory was 88.1 MB in the beginning and 298.7 MB in the end (delta: -210.6 MB). Peak memory consumption was 223.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,557 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.29 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,559 INFO L168 Benchmark]: Boogie Preprocessor took 91.39 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,560 INFO L168 Benchmark]: RCFGBuilder took 1671.91 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 161.0 MB in the beginning and 143.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,561 INFO L168 Benchmark]: Sifa took 18720.90 ms. Allocated memory was 226.0 MB in the beginning and 567.3 MB in the end (delta: 341.3 MB). Free memory was 143.2 MB in the beginning and 298.7 MB in the end (delta: -155.5 MB). Peak memory consumption was 185.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:50:46,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.29 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 164.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.39 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1671.91 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 161.0 MB in the beginning and 143.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 18720.90 ms. Allocated memory was 226.0 MB in the beginning and 567.3 MB in the end (delta: 341.3 MB). Free memory was 143.2 MB in the beginning and 298.7 MB in the end (delta: -155.5 MB). Peak memory consumption was 185.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18666, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 12269, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 168, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 102, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 12422, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12186, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 5517, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 290, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 114, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2822, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2821, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13027, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13026, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, 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...