java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:43:21,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:43:21,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:43:21,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:43:21,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:43:21,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:43:21,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:43:21,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:43:21,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:43:21,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:43:21,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:43:21,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:43:21,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:43:21,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:43:21,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:43:21,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:43:21,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:43:21,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:43:21,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:43:21,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:43:21,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:43:21,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:43:21,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:43:21,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:43:21,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:43:21,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:43:21,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:43:21,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:43:21,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:43:21,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:43:21,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:43:21,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:43:21,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:43:21,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:43:21,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:43:21,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:43:21,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:43:21,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:43:21,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:43:21,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:43:21,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:43:21,885 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 [2019-09-25 15:43:21,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:43:21,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:43:21,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:43:21,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:43:21,906 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:43:21,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:43:21,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:43:21,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:43:21,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:43:21,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:43:21,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:43:21,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:43:21,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:43:21,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:43:21,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:43:21,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:43:21,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:43:21,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:43:21,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:43:21,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:43:21,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:43:21,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:43:21,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:43:21,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:43:21,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:43:21,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:43:21,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:43:21,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:43:21,994 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:43:21,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-25 15:43:22,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e2d629b/7c6a4268f256489a9d5571700a301c47/FLAGb19e12c08 [2019-09-25 15:43:22,545 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:43:22,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-25 15:43:22,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e2d629b/7c6a4268f256489a9d5571700a301c47/FLAGb19e12c08 [2019-09-25 15:43:22,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e2d629b/7c6a4268f256489a9d5571700a301c47 [2019-09-25 15:43:22,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:43:22,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:43:22,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:22,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:43:22,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:43:22,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:22" (1/1) ... [2019-09-25 15:43:22,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18051c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:22, skipping insertion in model container [2019-09-25 15:43:22,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:43:22" (1/1) ... [2019-09-25 15:43:22,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:43:23,006 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:43:23,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:23,547 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:43:23,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:43:23,659 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:43:23,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23 WrapperNode [2019-09-25 15:43:23,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:43:23,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:43:23,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:43:23,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:43:23,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (1/1) ... [2019-09-25 15:43:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:43:23,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:43:23,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:43:23,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:43:23,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:43:23" (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 [2019-09-25 15:43:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:43:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:43:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:43:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:43:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:43:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:43:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:43:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:43:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:43:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:43:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:43:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:43:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:43:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:43:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:43:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:43:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:43:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:43:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:43:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:43:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 15:43:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:43:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:43:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 15:43:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:43:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:43:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:43:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:43:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:43:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:43:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:43:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:43:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:43:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:43:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:43:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:43:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:43:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:43:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:43:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:43:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:43:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:43:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:43:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:43:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:43:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:43:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:43:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 15:43:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:43:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:43:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:43:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:43:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:43:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:43:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:43:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:43:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:43:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:43:25,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:43:25,447 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:43:25,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:25 BoogieIcfgContainer [2019-09-25 15:43:25,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:43:25,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:43:25,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:43:25,449 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:43:25,451 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:43:25" (1/1) ... [2019-09-25 15:43:25,452 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:43:25,492 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:43:25,492 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:43:25,505 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:43:25,521 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:43:25,523 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:43:35,805 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 15:43:37,554 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:43:37,764 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:37,915 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:38,043 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 15:43:38,073 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 15:43:38,157 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 15:43:38,177 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 15:43:38,379 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 15:43:38,511 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 15:43:38,971 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:39,338 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:39,744 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:40,011 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:40,244 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:40,444 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:40,682 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 15:43:44,010 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-25 15:43:44,958 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 72 for LOIs [2019-09-25 15:43:45,084 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 15:43:45,121 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 15:43:45,126 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 15:43:45,135 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:43:45,136 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:43:45,138 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1381#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-25 15:43:45,149 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:43:45,150 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:43:45,151 INFO L168 Benchmark]: Toolchain (without parser) took 22219.34 ms. Allocated memory was 134.2 MB in the beginning and 637.0 MB in the end (delta: 502.8 MB). Free memory was 89.1 MB in the beginning and 352.7 MB in the end (delta: -263.6 MB). Peak memory consumption was 239.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,152 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.84 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 164.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,154 INFO L168 Benchmark]: Boogie Preprocessor took 123.74 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,155 INFO L168 Benchmark]: RCFGBuilder took 1662.21 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 145.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,156 INFO L168 Benchmark]: Sifa took 19700.76 ms. Allocated memory was 226.5 MB in the beginning and 637.0 MB in the end (delta: 410.5 MB). Free memory was 145.0 MB in the beginning and 352.7 MB in the end (delta: -207.7 MB). Peak memory consumption was 202.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:43:45,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.84 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 164.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.74 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 160.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1662.21 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 145.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Sifa took 19700.76 ms. Allocated memory was 226.5 MB in the beginning and 637.0 MB in the end (delta: 410.5 MB). Free memory was 145.0 MB in the beginning and 352.7 MB in the end (delta: -207.7 MB). Peak memory consumption was 202.8 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]: 19646, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 584, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 391, TOOLS_POST_TIME[ms]: 12300, TOOLS_POST_CALL_APPLICATIONS: 153, TOOLS_POST_CALL_TIME[ms]: 278, TOOLS_POST_RETURN_APPLICATIONS: 144, TOOLS_POST_RETURN_TIME[ms]: 139, TOOLS_QUANTIFIERELIM_APPLICATIONS: 688, TOOLS_QUANTIFIERELIM_TIME[ms]: 12520, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12144, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 608, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 179, DOMAIN_JOIN_TIME[ms]: 6295, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 112, DOMAIN_ISSUBSETEQ_APPLICATIONS: 24, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 247, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3371, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3370, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 24, CALL_SUMMARIZER_APPLICATIONS: 144, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12532, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12530, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 57, DAG_COMPRESSION_PROCESSED_NODES: 655, DAG_COMPRESSION_RETAINED_NODES: 334 - UnprovableResult [Line: 685]: 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 1381#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...