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 --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:46:55,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:46:55,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:46:55,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:46:55,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:46:55,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:46:55,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:46:55,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:46:55,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:46:55,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:46:55,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:46:55,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:46:55,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:46:55,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:46:55,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:46:55,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:46:55,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:46:55,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:46:55,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:46:55,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:46:55,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:46:55,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:46:55,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:46:55,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:46:55,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:46:55,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:46:55,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:46:55,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:46:55,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:46:55,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:46:55,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:46:55,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:46:55,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:46:55,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:46:55,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:46:55,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:46:55,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:46:56,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:46:56,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:46:56,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:46:56,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:46:56,002 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 17:46:56,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:46:56,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:46:56,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:46:56,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:46:56,019 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:46:56,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:46:56,019 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:46:56,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:46:56,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:46:56,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:46:56,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:46:56,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:46:56,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:46:56,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:46:56,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:46:56,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:46:56,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:46:56,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:46:56,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:46:56,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:46:56,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:46:56,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:46:56,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:46:56,023 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:46:56,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:46:56,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:46:56,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:46:56,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:46:56,074 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:46:56,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-25 17:46:56,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01604a086/93de1e9e24e845bd82b1669bb183b114/FLAG7b3366e7e [2019-09-25 17:46:56,614 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:46:56,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-25 17:46:56,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01604a086/93de1e9e24e845bd82b1669bb183b114/FLAG7b3366e7e [2019-09-25 17:46:56,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01604a086/93de1e9e24e845bd82b1669bb183b114 [2019-09-25 17:46:57,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:46:57,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:46:57,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:46:57,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:46:57,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:46:57,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:46:56" (1/1) ... [2019-09-25 17:46:57,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57, skipping insertion in model container [2019-09-25 17:46:57,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:46:56" (1/1) ... [2019-09-25 17:46:57,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:46:57,088 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:46:57,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:46:57,560 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:46:57,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:46:57,685 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:46:57,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57 WrapperNode [2019-09-25 17:46:57,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:46:57,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:46:57,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:46:57,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:46:57,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (1/1) ... [2019-09-25 17:46:57,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:46:57,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:46:57,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:46:57,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:46:57,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:46:57" (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 17:46:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:46:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:46:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:46:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:46:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:46:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:46:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:46:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:46:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:46:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:46:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:46:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:46:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:46:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:46:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:46:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:46:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:46:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:46:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:46:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:46:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:46:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:46:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:46:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:46:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:46:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:46:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:46:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:46:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:46:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:46:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:46:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:46:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:46:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:46:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:46:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:46:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:46:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:46:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:46:59,539 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:46:59,540 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:46:59,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:46:59 BoogieIcfgContainer [2019-09-25 17:46:59,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:46:59,542 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:46:59,542 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:46:59,542 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:46:59,544 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:46:59" (1/1) ... [2019-09-25 17:46:59,544 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:46:59,567 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:46:59,567 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:46:59,576 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:46:59,586 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:46:59,588 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:47:08,055 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:47:09,786 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:47:09,935 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:10,080 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:10,218 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:10,242 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:47:10,299 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:47:10,305 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:47:10,474 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:47:10,645 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:47:11,063 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:11,502 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:12,123 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:47:12,677 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-25 17:47:12,787 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-25 17:47:13,093 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:13,685 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:13,951 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:14,203 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:14,431 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:14,673 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:47:15,503 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:47:15,506 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:47:15,562 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 17:47:15,567 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 17:47:15,575 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:47:15,576 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:47:15,578 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 504#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.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) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)) [2019-09-25 17:47:15,592 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:47:15,593 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:47:15,595 INFO L168 Benchmark]: Toolchain (without parser) took 18591.92 ms. Allocated memory was 138.9 MB in the beginning and 580.4 MB in the end (delta: 441.5 MB). Free memory was 85.2 MB in the beginning and 464.1 MB in the end (delta: -378.9 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,597 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.26 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 165.5 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,607 INFO L168 Benchmark]: Boogie Preprocessor took 86.44 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,609 INFO L168 Benchmark]: RCFGBuilder took 1769.07 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.7 MB in the beginning and 147.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,610 INFO L168 Benchmark]: Sifa took 16050.66 ms. Allocated memory was 222.3 MB in the beginning and 580.4 MB in the end (delta: 358.1 MB). Free memory was 147.6 MB in the beginning and 464.1 MB in the end (delta: -316.5 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:47:15,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.26 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 165.5 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.44 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1769.07 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.7 MB in the beginning and 147.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. * Sifa took 16050.66 ms. Allocated memory was 222.3 MB in the beginning and 580.4 MB in the end (delta: 358.1 MB). Free memory was 147.6 MB in the beginning and 464.1 MB in the end (delta: -316.5 MB). Peak memory consumption was 41.6 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]: 16011, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 207, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 136, TOOLS_POST_TIME[ms]: 10353, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 163, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 250, TOOLS_QUANTIFIERELIM_TIME[ms]: 10501, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10286, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 209, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 4843, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 263, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 126, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2749, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2749, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10739, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10738, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 453, DAG_COMPRESSION_RETAINED_NODES: 236 - UnprovableResult [Line: 44]: 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 504#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.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) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...