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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:03:49,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:03:49,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:03:49,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:03:49,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:03:49,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:03:49,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:03:49,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:03:49,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:03:49,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:03:49,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:03:49,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:03:49,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:03:49,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:03:49,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:03:49,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:03:49,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:03:49,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:03:49,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:03:49,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:03:49,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:03:49,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:03:49,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:03:49,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:03:49,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:03:49,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:03:49,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:03:49,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:03:49,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:03:49,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:03:49,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:03:49,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:03:49,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:03:49,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:03:49,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:03:49,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:03:49,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:03:49,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:03:49,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:03:49,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:03:49,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:03:49,422 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 [2019-09-19 23:03:49,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:03:49,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:03:49,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:03:49,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:03:49,448 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:03:49,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:03:49,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:03:49,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:03:49,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:03:49,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:03:49,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:03:49,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:03:49,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:03:49,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:03:49,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:03:49,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:03:49,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:03:49,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:03:49,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:03:49,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:03:49,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:03:49,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:03:49,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:03:49,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:03:49,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:03:49,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:03:49,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:03:49,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:03:49,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:03:49,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:03:49,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:03:49,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:03:49,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:03:49,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:03:49,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-19 23:03:49,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4d52d4e/530b9d5392cb4bc29f15726b835447b6/FLAG644ffbedc [2019-09-19 23:03:50,129 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:03:50,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-19 23:03:50,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4d52d4e/530b9d5392cb4bc29f15726b835447b6/FLAG644ffbedc [2019-09-19 23:03:50,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f4d52d4e/530b9d5392cb4bc29f15726b835447b6 [2019-09-19 23:03:50,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:03:50,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:03:50,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:03:50,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:03:50,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:03:50,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:03:50" (1/1) ... [2019-09-19 23:03:50,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39779103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:50, skipping insertion in model container [2019-09-19 23:03:50,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:03:50" (1/1) ... [2019-09-19 23:03:50,458 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:03:50,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:03:51,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:03:51,035 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:03:51,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:03:51,179 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:03:51,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51 WrapperNode [2019-09-19 23:03:51,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:03:51,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:03:51,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:03:51,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:03:51,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (1/1) ... [2019-09-19 23:03:51,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:03:51,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:03:51,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:03:51,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:03:51,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:03:51" (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 [2019-09-19 23:03:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:03:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:03:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:03:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:03:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:03:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:03:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:03:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:03:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:03:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:03:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:03:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:03:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:03:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:03:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:03:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:03:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:03:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:03:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:03:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:03:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:03:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:03:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:03:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:03:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:03:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:03:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:03:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:03:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:03:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:03:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:03:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:03:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:03:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:03:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:03:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:03:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:03:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:03:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:03:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:03:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:03:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:03:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:03:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:03:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:03:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:03:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:03:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:03:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:03:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:03:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:03:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:03:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:03:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:03:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:03:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:03:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:03:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:03:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:03:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:03:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:03:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:03:53,063 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:03:53,064 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:03:53,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:03:53 BoogieIcfgContainer [2019-09-19 23:03:53,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:03:53,066 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:03:53,066 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:03:53,066 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:03:53,069 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:03:53" (1/1) ... [2019-09-19 23:03:53,069 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 23:03:53,110 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:03:53,110 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:03:53,125 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:03:53,137 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:03:53,138 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:04:16,723 WARN L191 SmtUtils]: Spent 14.22 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:04:18,387 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:04:22,330 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:04:24,191 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:04:26,032 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:04:26,046 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-19 23:04:26,110 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-19 23:04:26,128 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-19 23:04:44,069 WARN L191 SmtUtils]: Spent 17.74 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-19 23:04:49,852 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:05:07,198 WARN L191 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-19 23:05:12,940 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:05:30,284 WARN L191 SmtUtils]: Spent 17.34 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-19 23:05:36,038 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:05:51,223 WARN L191 SmtUtils]: Spent 15.13 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-19 23:05:51,434 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 23:06:06,851 WARN L191 SmtUtils]: Spent 15.23 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-19 23:06:07,240 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 23:06:22,410 WARN L191 SmtUtils]: Spent 15.17 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-19 23:06:23,057 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-19 23:06:23,385 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-19 23:06:23,717 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 76 [2019-09-19 23:06:25,492 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:25,602 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:26,244 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:26,356 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:27,011 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-19 23:06:27,322 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 23:06:28,018 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-19 23:06:28,380 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 23:06:28,737 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 76 [2019-09-19 23:06:29,492 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:29,599 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:30,235 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:30,344 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:31,006 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-19 23:06:31,322 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 23:06:32,015 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-19 23:06:32,358 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 23:06:32,636 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 76 [2019-09-19 23:06:33,397 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:33,505 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:34,147 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-19 23:06:34,256 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 23:06:34,898 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-19 23:06:35,208 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 23:06:35,886 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-19 23:06:36,226 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 23:06:36,230 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-19 23:06:36,233 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-19 23:06:36,497 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-19 23:06:37,084 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-19 23:06:37,328 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 23:06:37,810 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-19 23:06:38,063 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 23:06:38,066 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 74 for LOIs [2019-09-19 23:06:38,070 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 86 for LOIs [2019-09-19 23:06:38,287 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-19 23:06:38,393 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 23:06:38,393 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:06:38,393 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:06:38,396 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 406#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string34.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= 0 ~waterLevel~0) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-19 23:06:38,407 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:06:38,408 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:06:38,410 INFO L168 Benchmark]: Toolchain (without parser) took 167971.82 ms. Allocated memory was 138.4 MB in the beginning and 178.3 MB in the end (delta: 39.8 MB). Free memory was 85.2 MB in the beginning and 85.6 MB in the end (delta: -371.1 kB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,410 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.14 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 164.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,412 INFO L168 Benchmark]: Boogie Preprocessor took 98.87 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,413 INFO L168 Benchmark]: RCFGBuilder took 1785.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 160.0 MB in the beginning and 144.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,414 INFO L168 Benchmark]: Sifa took 165342.18 ms. Allocated memory was 220.7 MB in the beginning and 178.3 MB in the end (delta: -42.5 MB). Free memory was 144.5 MB in the beginning and 85.6 MB in the end (delta: 58.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:06:38,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.14 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 164.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.87 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1785.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 160.0 MB in the beginning and 144.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * Sifa took 165342.18 ms. Allocated memory was 220.7 MB in the beginning and 178.3 MB in the end (delta: -42.5 MB). Free memory was 144.5 MB in the beginning and 85.6 MB in the end (delta: 58.9 MB). Peak memory consumption was 16.5 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]: 165286, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 29200, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 107, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 57, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 29274, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29124, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 135482, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 286, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11589, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11588, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33985, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33985, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 490, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 317]: 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 406#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string34.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= 0 ~waterLevel~0) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...