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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:20:08,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:20:08,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:20:09,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:20:09,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:20:09,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:20:09,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:20:09,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:20:09,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:20:09,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:20:09,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:20:09,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:20:09,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:20:09,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:20:09,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:20:09,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:20:09,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:20:09,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:20:09,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:20:09,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:20:09,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:20:09,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:20:09,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:20:09,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:20:09,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:20:09,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:20:09,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:20:09,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:20:09,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:20:09,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:20:09,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:20:09,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:20:09,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:20:09,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:20:09,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:20:09,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:20:09,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:20:09,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:20:09,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:20:09,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:20:09,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:20:09,035 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 [2019-09-18 22:20:09,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:20:09,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:20:09,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:20:09,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:20:09,056 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:20:09,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:20:09,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:20:09,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:20:09,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:20:09,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:20:09,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:20:09,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:20:09,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:20:09,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:20:09,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:20:09,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:20:09,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:20:09,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:20:09,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:20:09,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:20:09,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:20:09,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:20:09,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:20:09,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:20:09,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:20:09,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:20:09,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:20:09,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:20:09,062 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 22:20:09,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:20:09,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:20:09,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:20:09,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:20:09,136 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:20:09,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-18 22:20:09,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5237cda4b/a2d1cc75f93a4453a788efea874e02a0/FLAG5bfed0fbe [2019-09-18 22:20:09,735 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:20:09,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-18 22:20:09,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5237cda4b/a2d1cc75f93a4453a788efea874e02a0/FLAG5bfed0fbe [2019-09-18 22:20:10,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5237cda4b/a2d1cc75f93a4453a788efea874e02a0 [2019-09-18 22:20:10,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:20:10,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:20:10,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:20:10,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:20:10,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:20:10,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10, skipping insertion in model container [2019-09-18 22:20:10,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:20:10,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:20:10,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:20:10,571 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:20:10,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:20:10,740 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:20:10,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10 WrapperNode [2019-09-18 22:20:10,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:20:10,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:20:10,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:20:10,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:20:10,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (1/1) ... [2019-09-18 22:20:10,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:20:10,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:20:10,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:20:10,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:20:10,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:20:10" (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 [2019-09-18 22:20:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:20:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:20:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:20:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:20:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:20:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:20:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:20:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:20:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:20:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:20:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:20:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 22:20:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 22:20:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:20:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:20:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:20:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:20:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:20:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:20:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:20:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:20:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:20:10,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:20:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:20:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:20:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 22:20:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:20:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:20:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:20:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:20:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:20:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:20:12,554 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:20:12,555 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:20:12,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:20:12 BoogieIcfgContainer [2019-09-18 22:20:12,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:20:12,557 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:20:12,557 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:20:12,557 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:20:12,558 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:20:12" (1/1) ... [2019-09-18 22:20:12,559 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:20:12,585 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:20:12,585 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:20:12,598 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:20:12,616 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:20:12,617 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:20:25,064 WARN L191 SmtUtils]: Spent 12.32 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:20:36,885 WARN L191 SmtUtils]: Spent 11.82 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 22:21:01,613 WARN L191 SmtUtils]: Spent 14.45 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:21:03,464 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:21:07,101 WARN L191 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 22:21:07,109 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 22:21:08,798 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:10,456 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:12,156 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:13,796 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:15,544 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:21:17,258 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:21:18,915 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:20,575 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 22:21:20,583 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 22:21:20,588 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 22:21:24,272 WARN L191 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-18 22:21:26,050 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-18 22:21:37,361 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 22:21:42,872 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 22:21:54,093 WARN L191 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-18 22:21:59,613 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 22:22:10,288 WARN L191 SmtUtils]: Spent 10.63 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-18 22:22:15,498 WARN L191 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:22:34,718 WARN L191 SmtUtils]: Spent 19.20 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 22:22:43,271 WARN L191 SmtUtils]: Spent 8.55 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 22:22:45,186 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 434 DAG size of output: 1 [2019-09-18 22:23:01,767 WARN L191 SmtUtils]: Spent 16.57 s on a formula simplification. DAG size of input: 436 DAG size of output: 435 [2019-09-18 22:23:10,095 WARN L191 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:23:18,494 WARN L191 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:23:26,853 WARN L191 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:23:59,457 WARN L191 SmtUtils]: Spent 32.56 s on a formula simplification. DAG size of input: 507 DAG size of output: 485 [2019-09-18 22:24:13,389 WARN L191 SmtUtils]: Spent 13.93 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-18 22:24:18,526 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:24:37,645 WARN L191 SmtUtils]: Spent 19.10 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-18 22:24:46,362 WARN L191 SmtUtils]: Spent 8.72 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 22:24:54,638 WARN L191 SmtUtils]: Spent 8.25 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:25:02,919 WARN L191 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:25:39,764 WARN L191 SmtUtils]: Spent 36.82 s on a formula simplification. DAG size of input: 507 DAG size of output: 500 [2019-09-18 22:25:41,099 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-18 22:25:41,546 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-18 22:25:42,104 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 22:25:42,743 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-18 22:25:43,291 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 22:25:43,296 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 18 for LOIs [2019-09-18 22:25:43,763 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-18 22:25:43,851 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 22:25:43,994 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-09-18 22:25:44,102 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 22:25:44,122 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 22:25:44,143 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:25:44,143 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:25:44,145 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 425#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 22:25:44,164 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:25:44,165 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:25:44,167 INFO L168 Benchmark]: Toolchain (without parser) took 334130.44 ms. Allocated memory was 133.2 MB in the beginning and 146.8 MB in the end (delta: 13.6 MB). Free memory was 87.7 MB in the beginning and 93.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-18 22:25:44,168 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 22:25:44,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.17 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 163.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:25:44,170 INFO L168 Benchmark]: Boogie Preprocessor took 82.31 ms. Allocated memory is still 200.8 MB. Free memory was 163.0 MB in the beginning and 159.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-18 22:25:44,170 INFO L168 Benchmark]: RCFGBuilder took 1730.54 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 144.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-09-18 22:25:44,171 INFO L168 Benchmark]: Sifa took 331608.22 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 144.5 MB in the beginning and 93.5 MB in the end (delta: 51.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 22:25:44,175 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 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.17 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 163.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.31 ms. Allocated memory is still 200.8 MB. Free memory was 163.0 MB in the beginning and 159.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1730.54 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 144.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * Sifa took 331608.22 ms. Allocated memory was 225.4 MB in the beginning and 146.8 MB in the end (delta: -78.6 MB). Free memory was 144.5 MB in the beginning and 93.5 MB in the end (delta: 51.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 331561, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 204, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 122, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 149, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 30355, TOOLS_QUANTIFIERELIM_APPLICATIONS: 243, TOOLS_QUANTIFIERELIM_TIME[ms]: 30515, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30210, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 209, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 294790, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 296, DOMAIN_ISSUBSETEQ_APPLICATIONS: 42, DOMAIN_ISSUBSETEQ_TIME[ms]: 139, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 195, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 262025, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 262023, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125553, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 344, DAG_COMPRESSION_RETAINED_NODES: 192 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 425#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...