java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:41:51,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:41:51,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:41:51,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:41:51,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:41:51,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:41:51,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:41:51,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:41:51,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:41:51,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:41:51,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:41:51,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:41:51,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:41:51,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:41:51,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:41:51,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:41:51,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:41:51,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:41:51,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:41:51,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:41:51,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:41:51,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:41:51,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:41:51,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:41:51,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:41:51,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:41:51,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:41:51,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:41:51,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:41:51,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:41:51,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:41:51,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:41:51,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:41:51,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:41:51,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:41:51,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:41:51,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:41:51,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:41:51,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:41:51,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:41:51,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:41:51,380 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 12:41:51,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:41:51,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:41:51,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:41:51,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:41:51,406 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:41:51,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:41:51,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:41:51,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:41:51,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:41:51,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:41:51,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:41:51,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:41:51,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:41:51,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:41:51,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:41:51,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:41:51,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:41:51,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:41:51,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:41:51,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:41:51,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:41:51,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:41:51,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:41:51,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:41:51,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:41:51,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:41:51,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:41:51,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:41:51,412 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 12:41:51,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:41:51,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:41:51,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:41:51,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:41:51,496 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:41:51,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2019-10-04 12:41:51,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45218b165/5bdbc912d9664b6a90f9cbea122913e4/FLAGf465a963e [2019-10-04 12:41:52,049 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:41:52,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product30.cil.c [2019-10-04 12:41:52,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45218b165/5bdbc912d9664b6a90f9cbea122913e4/FLAGf465a963e [2019-10-04 12:41:52,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45218b165/5bdbc912d9664b6a90f9cbea122913e4 [2019-10-04 12:41:52,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:41:52,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:41:52,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:41:52,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:41:52,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:41:52,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:41:52" (1/1) ... [2019-10-04 12:41:52,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14543c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:52, skipping insertion in model container [2019-10-04 12:41:52,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:41:52" (1/1) ... [2019-10-04 12:41:52,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:41:52,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:41:52,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:41:52,979 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:41:53,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:41:53,089 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:41:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53 WrapperNode [2019-10-04 12:41:53,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:41:53,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:41:53,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:41:53,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:41:53,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (1/1) ... [2019-10-04 12:41:53,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:41:53,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:41:53,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:41:53,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:41:53,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:53" (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 12:41:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:41:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:41:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:41:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:41:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:41:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:41:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:41:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:41:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:41:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:41:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:41:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:41:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:41:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:41:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:41:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:41:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:41:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-04 12:41:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-04 12:41:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:41:53,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:41:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:41:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:41:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:41:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:41:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:41:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:41:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:41:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:41:55,050 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:41:55,050 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:41:55,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:41:55 BoogieIcfgContainer [2019-10-04 12:41:55,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:41:55,053 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:41:55,053 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:41:55,054 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:41:55,055 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:41:55" (1/1) ... [2019-10-04 12:41:55,055 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 12:41:55,089 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:41:55,089 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:41:55,107 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:41:55,116 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:41:55,118 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:42:03,691 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:42:05,381 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:42:05,545 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:42:05,680 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:42:05,795 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:42:06,077 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:42:06,103 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:42:06,179 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:42:06,185 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:42:06,839 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:42:07,382 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:42:07,816 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:42:08,178 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:42:08,768 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-10-04 12:42:11,603 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-04 12:42:12,451 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-10-04 12:42:14,904 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 12:42:15,065 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 173 [2019-10-04 12:42:15,548 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 12:42:15,700 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 12:42:15,916 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-10-04 12:42:15,927 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:42:15,932 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-10-04 12:42:16,171 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-10-04 12:42:16,176 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-04 12:42:16,243 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:42:16,244 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:42:16,246 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 889#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-10-04 12:42:16,260 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:42:16,261 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:42:16,263 INFO L168 Benchmark]: Toolchain (without parser) took 23817.50 ms. Allocated memory was 134.7 MB in the beginning and 749.2 MB in the end (delta: 614.5 MB). Free memory was 89.7 MB in the beginning and 438.1 MB in the end (delta: -348.3 MB). Peak memory consumption was 266.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,266 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.53 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 89.5 MB in the beginning and 165.4 MB in the end (delta: -75.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,278 INFO L168 Benchmark]: Boogie Preprocessor took 122.01 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,280 INFO L168 Benchmark]: RCFGBuilder took 1840.13 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 161.1 MB in the beginning and 143.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,281 INFO L168 Benchmark]: Sifa took 21207.52 ms. Allocated memory was 228.6 MB in the beginning and 749.2 MB in the end (delta: 520.6 MB). Free memory was 143.1 MB in the beginning and 438.1 MB in the end (delta: -294.9 MB). Peak memory consumption was 225.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:42:16,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.53 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 89.5 MB in the beginning and 165.4 MB in the end (delta: -75.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.01 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1840.13 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 161.1 MB in the beginning and 143.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * Sifa took 21207.52 ms. Allocated memory was 228.6 MB in the beginning and 749.2 MB in the end (delta: 520.6 MB). Free memory was 143.1 MB in the beginning and 438.1 MB in the end (delta: -294.9 MB). Peak memory consumption was 225.7 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]: 21158, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 299, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 10493, TOOLS_POST_CALL_APPLICATIONS: 87, TOOLS_POST_CALL_TIME[ms]: 261, TOOLS_POST_RETURN_APPLICATIONS: 80, TOOLS_POST_RETURN_TIME[ms]: 119, TOOLS_QUANTIFIERELIM_APPLICATIONS: 360, TOOLS_QUANTIFIERELIM_TIME[ms]: 10741, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10365, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 307, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 90, DOMAIN_JOIN_TIME[ms]: 9525, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 350, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 208, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5893, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5893, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 80, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11087, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11086, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 484, DAG_COMPRESSION_RETAINED_NODES: 243 - UnprovableResult [Line: 643]: 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 889#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.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...