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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:08,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:08,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:08,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:08,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:08,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:08,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:08,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:08,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:08,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:08,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:08,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:08,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:08,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:08,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:08,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:08,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:08,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:08,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:08,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:08,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:08,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:08,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:08,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:08,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:08,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:08,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:08,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:08,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:08,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:08,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:08,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:08,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:08,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:08,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:08,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:08,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:08,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:08,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:08,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:08,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:08,879 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 [2019-09-20 15:52:08,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:08,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:08,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:08,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:08,895 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:08,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:08,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:08,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:08,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:08,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:08,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:08,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:08,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:08,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:08,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:08,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:08,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:08,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:08,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:08,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:08,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:08,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:08,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:08,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:08,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:08,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:08,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:08,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:08,900 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_QUICK [2019-09-20 15:52:08,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:08,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:08,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:08,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:08,950 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:08,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-20 15:52:09,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e7154fb/7bf48423ef5440c68231c0bab1b4dcde/FLAG9aee32f4e [2019-09-20 15:52:09,474 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:09,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-20 15:52:09,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e7154fb/7bf48423ef5440c68231c0bab1b4dcde/FLAG9aee32f4e [2019-09-20 15:52:09,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e7154fb/7bf48423ef5440c68231c0bab1b4dcde [2019-09-20 15:52:09,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:09,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:09,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:09,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:09,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:09,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:09" (1/1) ... [2019-09-20 15:52:09,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb15b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:09, skipping insertion in model container [2019-09-20 15:52:09,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:09" (1/1) ... [2019-09-20 15:52:09,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:09,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:10,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:10,336 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:10,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:10,479 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:10,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10 WrapperNode [2019-09-20 15:52:10,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:10,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:10,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:10,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:10,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (1/1) ... [2019-09-20 15:52:10,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:10,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:10,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:10,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:10,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:10" (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 [2019-09-20 15:52:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:52:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:12,243 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:12,243 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:12,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:12 BoogieIcfgContainer [2019-09-20 15:52:12,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:12,245 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:12,246 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:12,246 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:12,248 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:12" (1/1) ... [2019-09-20 15:52:12,248 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:52:12,276 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:12,276 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:12,288 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:12,300 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:12,302 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:21,574 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:23,393 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:23,546 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:23,672 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:23,803 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:23,827 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:23,875 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:23,880 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:24,049 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:24,174 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:24,576 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:24,901 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:25,180 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:25,563 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:25,954 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:26,315 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:26,646 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:26,917 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:27,405 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:27,722 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:28,688 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2019-09-20 15:52:29,140 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:52:29,491 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2019-09-20 15:52:29,902 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:52:30,396 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2019-09-20 15:52:30,761 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2019-09-20 15:52:31,359 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:31,640 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:32,531 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:33,136 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:33,445 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:33,769 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:34,236 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:34,627 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:35,428 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:36,108 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:36,908 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:37,560 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:37,876 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:38,157 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:38,614 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:39,021 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:39,454 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:39,724 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:40,148 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:40,437 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:40,714 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2019-09-20 15:52:40,983 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:52:41,419 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:41,801 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-20 15:52:41,940 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:52:41,974 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:41,985 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:41,988 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:41,990 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:41,990 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:41,992 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 784#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:42,006 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:42,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:42,015 INFO L168 Benchmark]: Toolchain (without parser) took 32212.54 ms. Allocated memory was 134.2 MB in the beginning and 850.9 MB in the end (delta: 716.7 MB). Free memory was 89.5 MB in the beginning and 284.9 MB in the end (delta: -195.4 MB). Peak memory consumption was 521.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,016 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.88 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 169.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,021 INFO L168 Benchmark]: Boogie Preprocessor took 171.30 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,030 INFO L168 Benchmark]: RCFGBuilder took 1590.95 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 165.8 MB in the beginning and 155.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,031 INFO L168 Benchmark]: Sifa took 29760.93 ms. Allocated memory was 228.6 MB in the beginning and 850.9 MB in the end (delta: 622.3 MB). Free memory was 155.0 MB in the beginning and 284.9 MB in the end (delta: -129.9 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:42,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.88 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 169.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.30 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1590.95 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 165.8 MB in the beginning and 155.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 29760.93 ms. Allocated memory was 228.6 MB in the beginning and 850.9 MB in the end (delta: 622.3 MB). Free memory was 155.0 MB in the beginning and 284.9 MB in the end (delta: -129.9 MB). Peak memory consumption was 492.4 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]: 29716, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 368, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 246, TOOLS_POST_TIME[ms]: 11439, TOOLS_POST_CALL_APPLICATIONS: 102, TOOLS_POST_CALL_TIME[ms]: 342, TOOLS_POST_RETURN_APPLICATIONS: 93, TOOLS_POST_RETURN_TIME[ms]: 266, TOOLS_QUANTIFIERELIM_APPLICATIONS: 441, TOOLS_QUANTIFIERELIM_TIME[ms]: 11846, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11170, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 379, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 124, DOMAIN_JOIN_TIME[ms]: 16768, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 240, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 79, DOMAIN_ISBOTTOM_TIME[ms]: 438, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14966, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14965, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 93, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11579, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11578, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 82]: 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 784#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...