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_spec5_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:53:49,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:53:49,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:53:49,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:53:49,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:53:49,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:53:49,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:53:50,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:53:50,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:53:50,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:53:50,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:53:50,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:53:50,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:53:50,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:53:50,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:53:50,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:53:50,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:53:50,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:53:50,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:53:50,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:53:50,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:53:50,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:53:50,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:53:50,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:53:50,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:53:50,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:53:50,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:53:50,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:53:50,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:53:50,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:53:50,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:53:50,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:53:50,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:53:50,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:53:50,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:53:50,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:53:50,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:53:50,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:53:50,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:53:50,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:53:50,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:53:50,033 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 15:53:50,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:53:50,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:53:50,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:53:50,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:53:50,061 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:53:50,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:53:50,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:53:50,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:53:50,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:53:50,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:53:50,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:53:50,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:53:50,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:53:50,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:53:50,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:53:50,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:53:50,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:53:50,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:53:50,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:53:50,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:53:50,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:53:50,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:53:50,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:53:50,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:53:50,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:53:50,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:53:50,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:53:50,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:53:50,068 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 15:53:50,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:53:50,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:53:50,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:53:50,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:53:50,128 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:53:50,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2019-09-20 15:53:50,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a735b76/d9f52ea7cd784990b8d13734a01618f1/FLAG01b99daa1 [2019-09-20 15:53:50,713 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:50,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2019-09-20 15:53:50,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a735b76/d9f52ea7cd784990b8d13734a01618f1/FLAG01b99daa1 [2019-09-20 15:53:50,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a735b76/d9f52ea7cd784990b8d13734a01618f1 [2019-09-20 15:53:51,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:51,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:51,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:51,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:51,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:51,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acf3c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51, skipping insertion in model container [2019-09-20 15:53:51,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:51,087 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:51,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:51,585 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:51,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:51,732 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:51,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51 WrapperNode [2019-09-20 15:53:51,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:51,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:51,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:51,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:51,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (1/1) ... [2019-09-20 15:53:51,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:51,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:51,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:51,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:51,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:51" (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 15:53:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:53,450 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:53,450 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:53 BoogieIcfgContainer [2019-09-20 15:53:53,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:53,453 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:53,453 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:53,453 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:53,454 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:53" (1/1) ... [2019-09-20 15:53:53,455 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 15:53:53,491 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:53,491 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:53,503 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:53,515 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:53,517 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:54:04,647 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:54:06,433 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:54:06,568 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:06,727 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:06,854 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:54:06,870 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:54:06,926 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:54:06,944 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:54:07,109 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:07,315 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:54:07,812 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:08,126 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:08,395 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:08,670 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:08,853 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:09,034 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:54:09,589 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:09,946 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:10,667 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:11,282 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:12,267 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2019-09-20 15:54:12,782 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:54:13,085 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:13,305 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:13,770 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:14,210 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:14,658 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:15,107 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:15,874 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:54:16,079 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:54:16,990 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:17,472 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:18,893 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:19,654 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:20,046 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2019-09-20 15:54:20,358 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:54:20,617 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:20,791 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:21,245 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:21,694 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:22,136 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:22,569 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:23,269 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:54:23,640 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:23,945 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:54:24,540 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:25,092 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:54:25,500 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2019-09-20 15:54:25,818 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:54:26,047 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:26,227 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:54:26,651 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:27,070 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:27,496 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:27,926 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:54:28,611 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:54:28,648 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:54:28,692 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:54:28,707 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:54:28,710 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:54:28,711 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:54:28,711 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:54:28,713 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 537#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:54:28,734 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:54:28,734 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:54:28,736 INFO L168 Benchmark]: Toolchain (without parser) took 37724.34 ms. Allocated memory was 131.6 MB in the beginning and 919.6 MB in the end (delta: 788.0 MB). Free memory was 87.1 MB in the beginning and 120.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 754.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,737 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.62 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 162.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,739 INFO L168 Benchmark]: Boogie Preprocessor took 105.14 ms. Allocated memory is still 199.8 MB. Free memory was 162.0 MB in the beginning and 158.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,740 INFO L168 Benchmark]: RCFGBuilder took 1613.06 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 158.1 MB in the beginning and 142.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,741 INFO L168 Benchmark]: Sifa took 35281.87 ms. Allocated memory was 220.7 MB in the beginning and 919.6 MB in the end (delta: 698.9 MB). Free memory was 142.8 MB in the beginning and 120.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 721.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:54:28,749 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 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.62 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 162.0 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.14 ms. Allocated memory is still 199.8 MB. Free memory was 162.0 MB in the beginning and 158.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1613.06 ms. Allocated memory was 199.8 MB in the beginning and 220.7 MB in the end (delta: 21.0 MB). Free memory was 158.1 MB in the beginning and 142.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Sifa took 35281.87 ms. Allocated memory was 220.7 MB in the beginning and 919.6 MB in the end (delta: 698.9 MB). Free memory was 142.8 MB in the beginning and 120.4 MB in the end (delta: 22.4 MB). Peak memory consumption was 721.3 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]: 35223, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 265, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 175, TOOLS_POST_TIME[ms]: 13149, TOOLS_POST_CALL_APPLICATIONS: 78, TOOLS_POST_CALL_TIME[ms]: 361, TOOLS_POST_RETURN_APPLICATIONS: 69, TOOLS_POST_RETURN_TIME[ms]: 194, TOOLS_QUANTIFIERELIM_APPLICATIONS: 322, TOOLS_QUANTIFIERELIM_TIME[ms]: 13553, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12961, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 274, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 18917, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2116, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 52, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 257, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16556, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16555, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 69, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13426, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13425, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 212 - UnprovableResult [Line: 916]: 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 537#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...