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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:42:13,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:42:13,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:42:13,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:42:13,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:42:13,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:42:13,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:42:13,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:42:13,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:42:13,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:42:13,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:42:13,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:42:13,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:42:13,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:42:13,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:42:13,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:42:13,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:42:13,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:42:13,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:42:13,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:42:13,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:42:13,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:42:13,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:42:13,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:42:13,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:42:13,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:42:13,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:42:13,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:42:13,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:42:13,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:42:13,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:42:13,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:42:13,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:42:13,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:42:13,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:42:13,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:42:13,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:42:13,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:42:13,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:42:13,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:42:13,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:42:13,899 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 15:42:13,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:42:13,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:42:13,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:42:13,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:42:13,915 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:42:13,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:42:13,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:42:13,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:42:13,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:42:13,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:42:13,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:42:13,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:42:13,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:42:13,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:42:13,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:42:13,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:42:13,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:42:13,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:42:13,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:42:13,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:42:13,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:42:13,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:42:13,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:42:13,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:42:13,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:42:13,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:42:13,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:42:13,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:42:13,921 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 15:42:13,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:42:13,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:42:13,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:42:13,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:42:13,988 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:42:13,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-25 15:42:14,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b456c09f/a17cca3d1eb843b7a5413902f51a4ef3/FLAG40b1f2c76 [2019-09-25 15:42:14,651 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:42:14,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-09-25 15:42:14,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b456c09f/a17cca3d1eb843b7a5413902f51a4ef3/FLAG40b1f2c76 [2019-09-25 15:42:14,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b456c09f/a17cca3d1eb843b7a5413902f51a4ef3 [2019-09-25 15:42:14,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:42:14,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:42:14,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:14,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:42:14,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:42:14,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:14" (1/1) ... [2019-09-25 15:42:14,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e8c876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:14, skipping insertion in model container [2019-09-25 15:42:14,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:14" (1/1) ... [2019-09-25 15:42:14,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:42:14,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:42:15,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:15,491 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:42:15,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:15,644 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:42:15,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15 WrapperNode [2019-09-25 15:42:15,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:15,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:42:15,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:42:15,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:42:15,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (1/1) ... [2019-09-25 15:42:15,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:42:15,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:42:15,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:42:15,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:42:15,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:15" (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 15:42:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:42:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:42:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:42:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:42:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:42:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:42:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:42:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:42:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:42:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:42:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:42:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:42:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:42:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:42:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:42:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 15:42:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:42:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:42:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:42:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:42:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:42:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:42:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:42:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:42:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:42:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:42:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:42:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:42:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:42:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:42:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:42:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:42:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:42:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:42:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:42:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:42:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:42:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:42:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:42:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:42:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:42:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:42:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:42:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:42:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:42:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:42:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:42:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:42:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 15:42:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:42:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:42:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:42:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:42:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:42:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:42:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:42:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:42:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:42:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:42:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:42:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:42:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:42:17,546 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:42:17,546 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:42:17,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:17 BoogieIcfgContainer [2019-09-25 15:42:17,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:42:17,549 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:42:17,549 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:42:17,549 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:42:17,550 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:17" (1/1) ... [2019-09-25 15:42:17,551 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 15:42:17,574 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:42:17,574 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:42:17,583 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:42:17,592 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:42:17,594 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:42:27,671 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:42:29,417 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:42:29,568 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:29,685 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:29,805 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:29,821 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 15:42:29,870 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 15:42:29,878 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 15:42:30,403 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:42:30,752 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:42:31,319 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-25 15:42:32,397 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:42:32,399 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 15:42:32,495 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 15:42:32,505 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 15:42:32,523 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:42:32,523 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:42:32,525 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 443#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 15:42:32,542 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:42:32,543 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:42:32,545 INFO L168 Benchmark]: Toolchain (without parser) took 17665.03 ms. Allocated memory was 132.6 MB in the beginning and 378.0 MB in the end (delta: 245.4 MB). Free memory was 87.3 MB in the beginning and 248.7 MB in the end (delta: -161.4 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,546 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.63 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 162.0 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,548 INFO L168 Benchmark]: Boogie Preprocessor took 103.30 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 158.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,549 INFO L168 Benchmark]: RCFGBuilder took 1799.56 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.3 MB in the beginning and 141.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,550 INFO L168 Benchmark]: Sifa took 14994.32 ms. Allocated memory was 222.8 MB in the beginning and 378.0 MB in the end (delta: 155.2 MB). Free memory was 141.0 MB in the beginning and 248.7 MB in the end (delta: -107.7 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:32,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.63 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 162.0 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.30 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 158.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1799.56 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.3 MB in the beginning and 141.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 14994.32 ms. Allocated memory was 222.8 MB in the beginning and 378.0 MB in the end (delta: 155.2 MB). Free memory was 141.0 MB in the beginning and 248.7 MB in the end (delta: -107.7 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14952, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 11966, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 131, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 63, TOOLS_QUANTIFIERELIM_APPLICATIONS: 246, TOOLS_QUANTIFIERELIM_TIME[ms]: 12061, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11899, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 2350, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 192, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 94, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1954, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1954, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12325, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12324, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 364, DAG_COMPRESSION_RETAINED_NODES: 200 - UnprovableResult [Line: 935]: 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 443#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...