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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:09,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:09,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:09,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:09,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:09,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:09,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:09,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:09,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:09,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:09,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:09,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:09,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:09,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:09,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:09,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:09,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:09,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:09,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:09,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:09,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:09,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:09,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:09,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:09,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:09,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:09,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:10,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:10,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:10,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:10,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:10,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:10,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:10,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:10,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:10,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:10,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:10,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:10,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:10,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:10,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:10,015 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 15:52:10,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:10,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:10,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:10,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:10,042 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:10,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:10,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:10,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:10,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:10,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:10,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:10,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:10,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:10,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:10,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:10,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:10,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:10,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:10,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:10,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:10,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:10,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:10,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:10,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:10,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:10,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:10,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:10,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:10,049 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 15:52:10,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:10,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:10,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:10,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:10,122 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:10,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-20 15:52:10,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe9029e3/a2e78f4aada642438224fb02d8fb135b/FLAGe4d47c92c [2019-09-20 15:52:10,746 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:10,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-20 15:52:10,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe9029e3/a2e78f4aada642438224fb02d8fb135b/FLAGe4d47c92c [2019-09-20 15:52:11,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe9029e3/a2e78f4aada642438224fb02d8fb135b [2019-09-20 15:52:11,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:11,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:11,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:11,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:11,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:11,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11, skipping insertion in model container [2019-09-20 15:52:11,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:11,135 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:11,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:11,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:11,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:11,723 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:11,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11 WrapperNode [2019-09-20 15:52:11,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:11,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:11,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:11,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:11,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (1/1) ... [2019-09-20 15:52:11,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:11,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:11,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:11,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:11,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:11" (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 15:52:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:13,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:13,346 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:13,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:13 BoogieIcfgContainer [2019-09-20 15:52:13,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:13,349 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:13,349 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:13,350 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:13,351 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:13" (1/1) ... [2019-09-20 15:52:13,352 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 15:52:13,383 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:13,384 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:13,397 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:13,411 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:13,413 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:24,662 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:26,474 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:26,615 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:26,756 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:26,886 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:26,903 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:26,948 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:26,954 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:27,113 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:27,226 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:52:27,751 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:28,069 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:28,385 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:28,613 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:28,858 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:29,029 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:29,231 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:29,414 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:29,851 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:30,182 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:30,934 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:31,537 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:31,906 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:32,180 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:33,073 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:33,572 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:52:33,699 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:52:33,814 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:52:34,395 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:34,734 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:35,385 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:35,936 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:36,317 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:36,598 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:37,506 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:37,671 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 40 for LOIs [2019-09-20 15:52:37,783 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:37,799 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 27 for LOIs [2019-09-20 15:52:37,808 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:52:37,811 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:37,817 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:37,820 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 443#(and (or (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:37,835 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:37,835 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:37,838 INFO L168 Benchmark]: Toolchain (without parser) took 26781.07 ms. Allocated memory was 131.1 MB in the beginning and 845.7 MB in the end (delta: 714.6 MB). Free memory was 85.8 MB in the beginning and 114.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 685.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,840 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.10 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.7 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,847 INFO L168 Benchmark]: Boogie Preprocessor took 115.06 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 158.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,848 INFO L168 Benchmark]: RCFGBuilder took 1508.81 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 158.8 MB in the beginning and 145.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,853 INFO L168 Benchmark]: Sifa took 24486.63 ms. Allocated memory was 218.6 MB in the beginning and 845.7 MB in the end (delta: 627.0 MB). Free memory was 145.8 MB in the beginning and 114.7 MB in the end (delta: 31.0 MB). Peak memory consumption was 658.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.10 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.7 MB in the end (delta: -77.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.06 ms. Allocated memory is still 197.7 MB. Free memory was 162.7 MB in the beginning and 158.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1508.81 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 158.8 MB in the beginning and 145.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. * Sifa took 24486.63 ms. Allocated memory was 218.6 MB in the beginning and 845.7 MB in the end (delta: 627.0 MB). Free memory was 145.8 MB in the beginning and 114.7 MB in the end (delta: 31.0 MB). Peak memory consumption was 658.1 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]: 24437, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 226, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 13235, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 250, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 155, TOOLS_QUANTIFIERELIM_APPLICATIONS: 266, TOOLS_QUANTIFIERELIM_TIME[ms]: 13510, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13101, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 231, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 10382, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 24, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 202, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 586, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 584, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13523, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13522, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 633]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 443#(and (or (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 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...