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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:00:04,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:00:04,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:00:04,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:00:04,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:00:04,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:00:04,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:00:04,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:00:04,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:00:04,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:00:04,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:00:04,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:00:04,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:00:04,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:00:04,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:00:04,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:00:04,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:00:04,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:00:04,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:00:04,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:00:04,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:00:04,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:00:04,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:00:04,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:00:04,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:00:04,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:00:04,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:00:04,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:00:04,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:00:04,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:00:04,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:00:04,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:00:04,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:00:04,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:00:04,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:00:04,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:00:04,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:00:04,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:00:04,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:00:04,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:00:04,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:00:04,930 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 13:00:04,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:00:04,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:00:04,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:00:04,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:00:04,959 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:00:04,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:00:04,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:00:04,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:00:04,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:00:04,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:00:04,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:00:04,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:00:04,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:00:04,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:00:04,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:00:04,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:00:04,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:00:04,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:00:04,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:00:04,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:00:04,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:00:04,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:00:04,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:00:04,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:00:04,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:00:04,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:00:04,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:00:04,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:00:04,969 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 13:00:05,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:00:05,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:00:05,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:00:05,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:00:05,033 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:00:05,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-18 13:00:05,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df49c10a/fe8b5d366541403eb7947639f8eeebb0/FLAGacc0c930a [2019-09-18 13:00:05,637 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:00:05,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-18 13:00:05,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df49c10a/fe8b5d366541403eb7947639f8eeebb0/FLAGacc0c930a [2019-09-18 13:00:05,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df49c10a/fe8b5d366541403eb7947639f8eeebb0 [2019-09-18 13:00:05,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:00:05,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:00:05,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:00:05,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:00:05,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:00:05,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:00:05" (1/1) ... [2019-09-18 13:00:05,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbdfd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:05, skipping insertion in model container [2019-09-18 13:00:05,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:00:05" (1/1) ... [2019-09-18 13:00:05,948 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:00:05,996 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:00:06,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:00:06,475 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:00:06,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:00:06,634 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:00:06,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06 WrapperNode [2019-09-18 13:00:06,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:00:06,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:00:06,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:00:06,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:00:06,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (1/1) ... [2019-09-18 13:00:06,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:00:06,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:00:06,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:00:06,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:00:06,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:00:06" (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 13:00:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:00:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:00:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:00:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:00:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 13:00:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:00:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:00:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:00:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:00:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:00:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:00:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:00:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:00:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:00:06,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:00:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:00:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:00:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:00:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:00:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:00:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:00:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:00:06,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:00:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 13:00:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:00:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:00:07,960 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:00:07,961 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:00:07,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:00:07 BoogieIcfgContainer [2019-09-18 13:00:07,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:00:07,963 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:00:07,963 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:00:07,963 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:00:07,965 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:00:07" (1/1) ... [2019-09-18 13:00:07,965 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 13:00:07,994 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:00:07,995 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:00:08,004 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:00:08,013 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:00:08,015 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:00:08,590 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 13:00:08,737 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-18 13:00:08,981 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 13:00:09,196 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 13:00:09,478 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 13:00:09,729 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 13:00:10,131 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 13:00:10,447 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 13:00:10,926 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 13:00:11,389 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 13:00:12,044 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 13:00:12,563 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 13:00:12,765 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 13:00:13,420 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 13:00:13,978 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 13:00:14,310 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:00:15,226 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 13:00:16,061 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 13:00:16,461 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 13:00:17,628 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 13:00:17,828 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 13:00:18,508 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 13:00:18,939 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 13:00:19,988 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 13:00:20,864 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 13:00:21,520 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 13:00:23,345 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 337 DAG size of output: 165 [2019-09-18 13:00:24,327 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 160 [2019-09-18 13:00:25,162 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 13:00:27,402 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 402 DAG size of output: 174 [2019-09-18 13:00:28,464 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 169 [2019-09-18 13:00:29,609 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 13:00:32,528 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 441 DAG size of output: 195 [2019-09-18 13:00:33,799 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 238 DAG size of output: 190 [2019-09-18 13:00:35,171 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 13:00:38,841 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 512 DAG size of output: 217 [2019-09-18 13:00:40,229 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 256 DAG size of output: 212 [2019-09-18 13:00:41,940 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 13:00:46,539 WARN L191 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 598 DAG size of output: 254 [2019-09-18 13:00:46,814 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:00:48,351 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 251 [2019-09-18 13:00:50,398 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 13:00:56,244 WARN L191 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 668 DAG size of output: 273 [2019-09-18 13:00:56,547 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:00:58,221 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 324 DAG size of output: 270 [2019-09-18 13:01:00,839 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 553 [2019-09-18 13:01:07,447 WARN L191 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 764 DAG size of output: 295 [2019-09-18 13:01:07,814 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 13:01:09,811 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 365 DAG size of output: 294 [2019-09-18 13:01:12,734 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 607 [2019-09-18 13:01:20,491 WARN L191 SmtUtils]: Spent 7.74 s on a formula simplification. DAG size of input: 730 DAG size of output: 314 [2019-09-18 13:01:20,828 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 13:01:22,935 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 369 DAG size of output: 309 [2019-09-18 13:01:26,464 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 661 [2019-09-18 13:01:35,906 WARN L191 SmtUtils]: Spent 9.42 s on a formula simplification. DAG size of input: 875 DAG size of output: 335 [2019-09-18 13:01:36,318 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 13:01:38,795 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 409 DAG size of output: 332 [2019-09-18 13:01:43,065 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 13:01:54,321 WARN L191 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 895 DAG size of output: 345 [2019-09-18 13:01:54,765 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 13:01:57,358 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 404 DAG size of output: 342 [2019-09-18 13:02:02,333 WARN L191 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 13:02:15,910 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification. DAG size of input: 1012 DAG size of output: 378 [2019-09-18 13:02:16,350 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:02:19,278 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 443 DAG size of output: 373 [2019-09-18 13:02:25,124 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 13:02:40,530 WARN L191 SmtUtils]: Spent 15.37 s on a formula simplification. DAG size of input: 1098 DAG size of output: 405 [2019-09-18 13:02:41,110 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:02:44,615 WARN L191 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 480 DAG size of output: 406 [2019-09-18 13:02:51,412 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 13:03:11,966 WARN L191 SmtUtils]: Spent 20.51 s on a formula simplification. DAG size of input: 1162 DAG size of output: 423 [2019-09-18 13:03:12,528 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:03:16,122 WARN L191 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 498 DAG size of output: 420 [2019-09-18 13:03:19,491 WARN L191 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2019-09-18 13:03:21,185 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 13:03:21,196 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 13:03:21,274 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 13:03:21,304 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 13:03:32,422 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 13:03:37,878 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 13:03:48,868 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 13:03:54,355 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 13:04:13,042 WARN L191 SmtUtils]: Spent 18.63 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 13:04:22,027 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 13:04:49,795 WARN L191 SmtUtils]: Spent 27.74 s on a formula simplification. DAG size of input: 475 DAG size of output: 468 [2019-09-18 13:04:58,977 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 13:05:17,100 WARN L191 SmtUtils]: Spent 18.10 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 13:05:26,138 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 13:05:42,341 WARN L191 SmtUtils]: Spent 16.17 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 13:05:58,428 WARN L191 SmtUtils]: Spent 16.09 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-18 13:06:17,172 WARN L191 SmtUtils]: Spent 17.96 s on a formula simplification. DAG size of input: 478 DAG size of output: 468 [2019-09-18 13:06:26,095 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-18 13:06:36,709 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 13:06:37,105 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-09-18 13:06:37,882 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-09-18 13:06:38,107 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 13:06:38,543 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 13:06:38,663 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 15 for LOIs [2019-09-18 13:06:38,667 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-18 13:06:38,724 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 13:06:38,725 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 13:06:38,727 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 628#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2019-09-18 13:06:38,738 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 13:06:38,738 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 13:06:38,739 INFO L168 Benchmark]: Toolchain (without parser) took 392808.14 ms. Allocated memory was 133.2 MB in the beginning and 146.8 MB in the end (delta: 13.6 MB). Free memory was 86.8 MB in the beginning and 104.0 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 13:06:38,740 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 13:06:38,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.92 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 163.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-18 13:06:38,740 INFO L168 Benchmark]: Boogie Preprocessor took 104.36 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-18 13:06:38,741 INFO L168 Benchmark]: RCFGBuilder took 1222.74 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 159.6 MB in the beginning and 171.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-18 13:06:38,742 INFO L168 Benchmark]: Sifa took 390775.37 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 171.8 MB in the beginning and 104.0 MB in the end (delta: 67.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 13:06:38,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.92 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.8 MB in the beginning and 163.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.36 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.74 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 159.6 MB in the beginning and 171.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Sifa took 390775.37 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 171.8 MB in the beginning and 104.0 MB in the end (delta: 67.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 390733, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 415, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 340, TOOLS_POST_TIME[ms]: 188108, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 146, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 454, TOOLS_QUANTIFIERELIM_TIME[ms]: 188185, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31504, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 422, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 191172, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 10907, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 133, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 196637, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 196636, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 194072, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 194071, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 620, DAG_COMPRESSION_RETAINED_NODES: 382 - UnprovableResult [Line: 778]: 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 628#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...