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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:01:51,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:01:51,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:01:51,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:01:51,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:01:51,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:01:51,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:01:51,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:01:51,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:01:51,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:01:51,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:01:51,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:01:51,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:01:51,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:01:51,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:01:51,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:01:51,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:01:51,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:01:51,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:01:51,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:01:51,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:01:51,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:01:51,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:01:51,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:01:51,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:01:51,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:01:51,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:01:51,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:01:51,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:01:51,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:01:51,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:01:51,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:01:51,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:01:51,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:01:51,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:01:51,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:01:51,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:01:51,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:01:51,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:01:51,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:01:51,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:01:51,874 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 [2019-09-19 23:01:51,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:01:51,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:01:51,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:01:51,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:01:51,889 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:01:51,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:01:51,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:01:51,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:01:51,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:01:51,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:01:51,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:01:51,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:01:51,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:01:51,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:01:51,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:01:51,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:01:51,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:01:51,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:01:51,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:01:51,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:01:51,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:01:51,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:01:51,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:01:51,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:01:51,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:01:51,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:01:51,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:01:51,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:01:51,894 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:01:51,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:01:51,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:01:51,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:01:51,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:01:51,944 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:01:51,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-19 23:01:52,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ab0f4e9/0b0366a6c05144a69f0bbf01c4936f2e/FLAG23cd1e4cb [2019-09-19 23:01:52,504 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:01:52,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-19 23:01:52,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ab0f4e9/0b0366a6c05144a69f0bbf01c4936f2e/FLAG23cd1e4cb [2019-09-19 23:01:52,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06ab0f4e9/0b0366a6c05144a69f0bbf01c4936f2e [2019-09-19 23:01:52,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:01:52,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:01:52,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:52,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:01:52,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:01:52,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:52" (1/1) ... [2019-09-19 23:01:52,866 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 19.09 11:01:52, skipping insertion in model container [2019-09-19 23:01:52,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:52" (1/1) ... [2019-09-19 23:01:52,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:01:52,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:01:53,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:53,419 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:01:53,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:53,549 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:01:53,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53 WrapperNode [2019-09-19 23:01:53,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:53,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:01:53,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:01:53,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:01:53,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (1/1) ... [2019-09-19 23:01:53,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:01:53,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:01:53,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:01:53,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:01:53,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:53" (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 [2019-09-19 23:01:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:01:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:01:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:01:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:01:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:01:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:01:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:01:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:01:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:01:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:01:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:01:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:01:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:01:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:01:53,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:01:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:01:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:01:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:01:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:01:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:53,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:01:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:01:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:01:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:01:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:01:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:01:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:01:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:01:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:01:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:01:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:01:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:01:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:01:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:01:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:01:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:01:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:01:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:01:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:01:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:01:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:01:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:01:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:01:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:01:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:01:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:01:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:01:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:01:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:01:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:01:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:01:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:01:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:01:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:01:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:01:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:01:55,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:01:55,428 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:01:55,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:55 BoogieIcfgContainer [2019-09-19 23:01:55,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:01:55,431 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:01:55,431 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:01:55,431 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:01:55,433 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:55" (1/1) ... [2019-09-19 23:01:55,434 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:01:55,463 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:01:55,463 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:01:55,472 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:01:55,481 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:01:55,482 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:02:18,285 WARN L191 SmtUtils]: Spent 13.45 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:02:20,119 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:02:23,877 WARN L191 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:02:25,652 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:02:27,392 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:02:27,414 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-19 23:02:27,469 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-19 23:02:27,485 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-19 23:02:39,191 WARN L191 SmtUtils]: Spent 11.51 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-19 23:02:44,837 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:02:56,287 WARN L191 SmtUtils]: Spent 11.45 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-19 23:03:01,933 WARN L191 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:03:16,742 WARN L191 SmtUtils]: Spent 14.75 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-19 23:03:16,851 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 23:03:17,313 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 23:03:32,138 WARN L191 SmtUtils]: Spent 14.82 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-19 23:03:32,690 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 23:03:32,958 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 76 [2019-09-19 23:03:33,284 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 76 [2019-09-19 23:03:34,733 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-19 23:03:35,073 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 23:03:35,767 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-19 23:03:36,105 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 23:03:37,082 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2019-09-19 23:03:37,571 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 23:03:38,629 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2019-09-19 23:03:39,173 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-19 23:03:40,175 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-19 23:03:40,537 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 23:03:41,276 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-19 23:03:41,635 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 23:03:42,685 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2019-09-19 23:03:43,195 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 23:03:44,308 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2019-09-19 23:03:44,840 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-19 23:03:44,844 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-19 23:03:44,847 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-19 23:03:45,373 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-09-19 23:03:45,626 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 23:03:46,156 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-19 23:03:46,417 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 23:03:46,419 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 74 for LOIs [2019-09-19 23:03:46,425 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 86 for LOIs [2019-09-19 23:03:46,646 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-19 23:03:46,757 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 23:03:46,758 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:03:46,758 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:03:46,761 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 302#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-19 23:03:46,773 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:03:46,773 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:03:46,775 INFO L168 Benchmark]: Toolchain (without parser) took 113918.22 ms. Allocated memory was 140.0 MB in the beginning and 269.0 MB in the end (delta: 129.0 MB). Free memory was 86.0 MB in the beginning and 162.1 MB in the end (delta: -76.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,776 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.70 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,778 INFO L168 Benchmark]: Boogie Preprocessor took 125.55 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 162.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,779 INFO L168 Benchmark]: RCFGBuilder took 1753.70 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 147.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,780 INFO L168 Benchmark]: Sifa took 111342.80 ms. Allocated memory was 224.9 MB in the beginning and 269.0 MB in the end (delta: 44.0 MB). Free memory was 147.5 MB in the beginning and 162.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-09-19 23:03:46,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.70 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.55 ms. Allocated memory is still 200.3 MB. Free memory was 166.3 MB in the beginning and 162.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1753.70 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 147.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Sifa took 111342.80 ms. Allocated memory was 224.9 MB in the beginning and 269.0 MB in the end (delta: 44.0 MB). Free memory was 147.5 MB in the beginning and 162.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 29.4 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]: 111299, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 159, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME[ms]: 28394, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME[ms]: 103, TOOLS_POST_RETURN_APPLICATIONS: 38, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 186, TOOLS_QUANTIFIERELIM_TIME[ms]: 28475, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28332, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 161, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 82400, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 225, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11230, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11229, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 38, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32736, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32735, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 404, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 518]: 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 302#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...