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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:51:42,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:51:42,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:51:42,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:51:42,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:51:42,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:51:42,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:51:42,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:51:42,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:51:42,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:51:42,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:51:42,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:51:42,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:51:42,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:51:42,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:51:42,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:51:42,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:51:42,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:51:42,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:51:42,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:51:42,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:51:42,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:51:42,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:51:42,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:51:42,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:51:42,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:51:42,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:51:42,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:51:42,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:51:42,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:51:42,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:51:42,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:51:42,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:51:42,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:51:42,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:51:42,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:51:42,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:51:42,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:51:42,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:51:42,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:51:42,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:51:42,933 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 [2019-09-18 22:51:42,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:51:42,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:51:42,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:51:42,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:51:42,962 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:51:42,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:51:42,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:51:42,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:51:42,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:51:42,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:51:42,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:51:42,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:51:42,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:51:42,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:51:42,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:51:42,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:51:42,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:51:42,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:51:42,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:51:42,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:51:42,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:51:42,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:51:42,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:51:42,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:51:42,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:51:42,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:51:42,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:51:42,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:51:42,969 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 22:51:43,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:51:43,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:51:43,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:51:43,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:51:43,048 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:51:43,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-18 22:51:43,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e5e58f1/c0ee53b8b50c40e5a912829c8d5bf848/FLAGe17c0c960 [2019-09-18 22:51:43,684 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:51:43,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-18 22:51:43,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e5e58f1/c0ee53b8b50c40e5a912829c8d5bf848/FLAGe17c0c960 [2019-09-18 22:51:43,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e5e58f1/c0ee53b8b50c40e5a912829c8d5bf848 [2019-09-18 22:51:44,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:51:44,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:51:44,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:51:44,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:51:44,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:51:44,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:51:43" (1/1) ... [2019-09-18 22:51:44,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dc2765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44, skipping insertion in model container [2019-09-18 22:51:44,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:51:43" (1/1) ... [2019-09-18 22:51:44,019 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:51:44,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:51:44,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:51:44,546 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:51:44,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:51:44,685 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:51:44,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44 WrapperNode [2019-09-18 22:51:44,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:51:44,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:51:44,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:51:44,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:51:44,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (1/1) ... [2019-09-18 22:51:44,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:51:44,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:51:44,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:51:44,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:51:44,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:51:44" (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 [2019-09-18 22:51:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:51:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:51:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:51:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:51:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:51:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 22:51:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:51:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 22:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:51:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:51:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:51:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:51:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:51:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:51:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:51:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:51:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:51:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:51:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:51:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:51:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:51:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 22:51:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 22:51:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:51:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:51:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:51:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:51:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:51:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:51:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:51:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:51:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:51:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:51:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:51:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:51:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:51:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:51:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:51:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:51:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:51:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:51:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:51:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:51:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:51:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:51:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:51:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:51:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:51:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:51:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:51:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:51:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:51:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:51:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:51:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:51:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:51:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:51:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:51:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:51:46,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:51:46,415 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:51:46,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:51:46 BoogieIcfgContainer [2019-09-18 22:51:46,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:51:46,417 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:51:46,417 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:51:46,417 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:51:46,418 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:51:46" (1/1) ... [2019-09-18 22:51:46,419 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:51:46,442 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:51:46,442 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:51:46,450 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:51:46,460 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:51:46,462 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:51:59,184 WARN L191 SmtUtils]: Spent 12.64 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:52:11,654 WARN L191 SmtUtils]: Spent 12.47 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:52:35,136 WARN L191 SmtUtils]: Spent 14.44 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:52:36,910 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:52:40,652 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 22:52:40,661 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 22:52:42,390 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:44,183 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:45,943 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:47,670 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:49,446 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:52:51,158 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:52:52,970 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:54,684 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:52:54,689 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 22:52:56,422 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:52:58,150 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:52:58,158 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 22:53:01,722 WARN L191 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-18 22:53:03,449 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-18 22:53:06,948 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 431 DAG size of output: 426 [2019-09-18 22:53:08,639 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:53:19,820 WARN L191 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 22:53:25,280 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 22:53:36,311 WARN L191 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 22:53:41,748 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 22:53:45,263 WARN L191 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 431 DAG size of output: 426 [2019-09-18 22:53:46,963 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:54:01,599 WARN L191 SmtUtils]: Spent 14.58 s on a formula simplification. DAG size of input: 459 DAG size of output: 455 [2019-09-18 22:54:01,736 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:54:01,856 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:01,986 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:02,303 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 22:54:17,498 WARN L191 SmtUtils]: Spent 15.19 s on a formula simplification. DAG size of input: 459 DAG size of output: 455 [2019-09-18 22:54:17,611 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:54:17,717 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:17,833 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:18,136 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 22:54:22,964 WARN L191 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 477 DAG size of output: 468 [2019-09-18 22:54:23,069 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:23,174 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 22:54:23,280 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:23,574 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:28,384 WARN L191 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 477 DAG size of output: 468 [2019-09-18 22:54:28,488 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:28,592 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 22:54:28,698 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 22:54:28,987 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:29,294 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-18 22:54:29,739 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-18 22:54:30,160 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-18 22:54:30,591 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-18 22:54:30,998 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 74 [2019-09-18 22:54:31,442 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-18 22:54:32,057 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-18 22:54:32,187 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:32,406 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:32,533 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:32,658 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:32,787 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:54:33,302 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-18 22:54:33,427 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 22:54:33,845 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-18 22:54:33,946 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 22:54:34,358 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-18 22:54:34,468 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 22:54:34,818 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-18 22:54:35,214 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-18 22:54:35,787 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-18 22:54:35,921 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:36,056 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:36,189 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:36,325 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:36,462 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:54:36,845 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-18 22:54:37,374 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-18 22:54:37,531 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 22:54:37,935 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-18 22:54:38,093 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 22:54:38,699 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-18 22:54:38,986 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 22:54:39,828 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-18 22:54:40,091 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 22:54:40,475 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 90 [2019-09-18 22:54:40,585 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 22:54:41,320 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 95 [2019-09-18 22:54:41,614 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 22:54:43,058 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2019-09-18 22:54:43,413 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 22:54:43,726 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 22:54:44,333 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-18 22:54:44,616 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 22:54:46,037 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 162 DAG size of output: 137 [2019-09-18 22:54:46,577 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-18 22:54:47,975 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 162 DAG size of output: 137 [2019-09-18 22:54:48,515 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-18 22:54:49,291 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-09-18 22:54:49,651 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 22:54:52,228 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 149 DAG size of output: 149 [2019-09-18 22:54:52,937 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 22:54:55,231 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-09-18 22:54:56,375 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 22:55:00,090 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-09-18 22:55:01,176 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 22:55:03,661 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2019-09-18 22:55:03,770 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 22:55:04,286 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 1 [2019-09-18 22:55:04,504 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 22:55:04,757 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-18 22:55:05,901 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-09-18 22:55:06,030 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-09-18 22:55:06,252 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-18 22:55:06,410 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-18 22:55:06,852 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 22:55:07,160 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 22:55:09,682 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 159 DAG size of output: 140 [2019-09-18 22:55:10,295 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-18 22:55:12,532 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 159 DAG size of output: 140 [2019-09-18 22:55:13,147 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-18 22:55:13,521 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 22:55:16,444 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 170 DAG size of output: 149 [2019-09-18 22:55:16,876 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 22:55:18,820 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-09-18 22:55:19,786 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-09-18 22:55:24,730 WARN L191 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 196 DAG size of output: 176 [2019-09-18 22:55:25,702 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-09-18 22:55:27,946 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 182 DAG size of output: 179 [2019-09-18 22:55:28,282 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-09-18 22:55:28,408 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-09-18 22:55:28,632 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-18 22:55:28,786 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-09-18 22:55:28,839 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 22:55:29,038 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 22:55:29,201 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 22:55:29,351 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-18 22:55:29,374 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 22:55:29,412 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:55:29,412 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:55:29,415 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 652#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 22:55:29,426 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:55:29,426 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:55:29,428 INFO L168 Benchmark]: Toolchain (without parser) took 225421.86 ms. Allocated memory was 132.6 MB in the beginning and 159.9 MB in the end (delta: 27.3 MB). Free memory was 88.1 MB in the beginning and 69.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,429 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.66 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 165.0 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,430 INFO L168 Benchmark]: Boogie Preprocessor took 91.17 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,431 INFO L168 Benchmark]: RCFGBuilder took 1638.24 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 160.6 MB in the beginning and 144.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,431 INFO L168 Benchmark]: Sifa took 223009.76 ms. Allocated memory was 224.4 MB in the beginning and 159.9 MB in the end (delta: -64.5 MB). Free memory was 144.3 MB in the beginning and 69.0 MB in the end (delta: 75.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-18 22:55:29,435 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.66 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 165.0 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.17 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1638.24 ms. Allocated memory was 200.8 MB in the beginning and 224.4 MB in the end (delta: 23.6 MB). Free memory was 160.6 MB in the beginning and 144.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 223009.76 ms. Allocated memory was 224.4 MB in the beginning and 159.9 MB in the end (delta: -64.5 MB). Free memory was 144.3 MB in the beginning and 69.0 MB in the end (delta: 75.3 MB). Peak memory consumption was 10.8 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]: 222973, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 305, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 209, TOOLS_POST_TIME[ms]: 124, TOOLS_POST_CALL_APPLICATIONS: 83, TOOLS_POST_CALL_TIME[ms]: 206, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 29146, TOOLS_QUANTIFIERELIM_APPLICATIONS: 361, TOOLS_QUANTIFIERELIM_TIME[ms]: 29349, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28995, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 312, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 109, DOMAIN_JOIN_TIME[ms]: 186042, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5185, DOMAIN_ISSUBSETEQ_APPLICATIONS: 113, DOMAIN_ISSUBSETEQ_TIME[ms]: 276, DOMAIN_ISBOTTOM_APPLICATIONS: 54, DOMAIN_ISBOTTOM_TIME[ms]: 347, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 59941, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 59940, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77882, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 423, DAG_COMPRESSION_RETAINED_NODES: 200 - UnprovableResult [Line: 435]: 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 652#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...