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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:37:35,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:37:35,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:37:35,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:37:35,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:37:35,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:37:35,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:37:35,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:37:35,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:37:35,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:37:35,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:37:35,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:37:35,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:37:35,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:37:35,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:37:35,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:37:35,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:37:35,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:37:35,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:37:35,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:37:35,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:37:35,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:37:35,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:37:35,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:37:35,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:37:35,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:37:35,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:37:35,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:37:35,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:37:35,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:37:35,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:37:35,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:37:35,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:37:35,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:37:35,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:37:35,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:37:35,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:37:35,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:37:35,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:37:35,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:37:35,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:37:35,991 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 [2019-09-16 18:37:36,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:37:36,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:37:36,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:37:36,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:37:36,007 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:37:36,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:37:36,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:37:36,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:37:36,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:37:36,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:37:36,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:37:36,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:37:36,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:37:36,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:37:36,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:37:36,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:37:36,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:37:36,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:37:36,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:37:36,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:37:36,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:37:36,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:37:36,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:37:36,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:37:36,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:37:36,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:37:36,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:37:36,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:37:36,012 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:37:36,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:37:36,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:37:36,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:37:36,063 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:37:36,063 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:37:36,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-16 18:37:36,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d57fbbc1/f6d9d027e8f24cb3964e423bc56a8cd8/FLAG90b01753c [2019-09-16 18:37:36,630 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:37:36,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-16 18:37:36,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d57fbbc1/f6d9d027e8f24cb3964e423bc56a8cd8/FLAG90b01753c [2019-09-16 18:37:36,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d57fbbc1/f6d9d027e8f24cb3964e423bc56a8cd8 [2019-09-16 18:37:36,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:37:36,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:37:36,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:37:36,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:37:36,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:37:36,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:37:36" (1/1) ... [2019-09-16 18:37:36,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4229c3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:36, skipping insertion in model container [2019-09-16 18:37:36,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:37:36" (1/1) ... [2019-09-16 18:37:36,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:37:37,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:37:37,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:37:37,489 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:37:37,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:37:37,630 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:37:37,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37 WrapperNode [2019-09-16 18:37:37,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:37:37,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:37:37,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:37:37,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:37:37,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (1/1) ... [2019-09-16 18:37:37,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:37:37,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:37:37,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:37:37,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:37:37,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:37:37" (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 [2019-09-16 18:37:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:37:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:37:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 18:37:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 18:37:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 18:37:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 18:37:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 18:37:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 18:37:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 18:37:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 18:37:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 18:37:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 18:37:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 18:37:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 18:37:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 18:37:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 18:37:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 18:37:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 18:37:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 18:37:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 18:37:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 18:37:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 18:37:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 18:37:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:37:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:37:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 18:37:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 18:37:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:37:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 18:37:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:37:39,291 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:37:39,291 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 18:37:39,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:37:39 BoogieIcfgContainer [2019-09-16 18:37:39,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:37:39,295 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:37:39,295 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:37:39,295 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:37:39,296 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:37:39" (1/1) ... [2019-09-16 18:37:39,297 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:37:39,328 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:37:39,329 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:37:39,338 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:37:39,351 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:37:39,353 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:37:57,897 WARN L191 SmtUtils]: Spent 11.26 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 18:37:59,612 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 18:38:03,360 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 18:38:05,095 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:38:06,845 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:38:06,861 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 18:38:06,933 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 18:38:06,940 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 18:38:17,953 WARN L191 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 18:38:23,285 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 18:38:49,802 WARN L191 SmtUtils]: Spent 26.46 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-16 18:38:58,587 WARN L191 SmtUtils]: Spent 8.78 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-16 18:39:29,977 WARN L191 SmtUtils]: Spent 31.27 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-16 18:39:45,662 WARN L191 SmtUtils]: Spent 15.68 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-16 18:40:08,383 WARN L191 SmtUtils]: Spent 22.67 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-16 18:40:08,620 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2019-09-16 18:40:09,702 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:10,288 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-16 18:40:10,426 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-16 18:40:10,636 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 18:40:11,571 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:12,037 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-16 18:40:12,146 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-16 18:40:12,508 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-16 18:40:12,618 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-16 18:40:12,784 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:13,354 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-16 18:40:13,861 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-16 18:40:14,067 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:14,327 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:14,769 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-09-16 18:40:15,027 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-16 18:40:15,479 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-16 18:40:15,492 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-16 18:40:15,950 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-09-16 18:40:16,035 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 18:40:16,143 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-16 18:40:16,146 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-16 18:40:16,169 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:40:16,169 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:40:16,172 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 455#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-16 18:40:16,191 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:40:16,192 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:40:16,194 INFO L168 Benchmark]: Toolchain (without parser) took 159223.79 ms. Allocated memory was 132.6 MB in the beginning and 154.7 MB in the end (delta: 22.0 MB). Free memory was 85.8 MB in the beginning and 88.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:40:16,197 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:40:16,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.02 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 164.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:40:16,199 INFO L168 Benchmark]: Boogie Preprocessor took 81.93 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 18:40:16,200 INFO L168 Benchmark]: RCFGBuilder took 1580.00 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.1 MB in the beginning and 149.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-16 18:40:16,201 INFO L168 Benchmark]: Sifa took 156897.26 ms. Allocated memory was 223.3 MB in the beginning and 154.7 MB in the end (delta: -68.7 MB). Free memory was 149.2 MB in the beginning and 89.4 MB in the end (delta: 59.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:40:16,205 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 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.02 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 164.5 MB in the end (delta: -78.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.93 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1580.00 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.1 MB in the beginning and 149.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Sifa took 156897.26 ms. Allocated memory was 223.3 MB in the beginning and 154.7 MB in the end (delta: -68.7 MB). Free memory was 149.2 MB in the beginning and 89.4 MB in the end (delta: 59.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 156844, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 230, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 23990, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 186, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 24151, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23913, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 131780, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 345, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 283, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 124233, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124233, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28460, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28459, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 240 - 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 455#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...