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_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 23:19:34,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 23:19:34,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 23:19:34,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 23:19:34,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 23:19:34,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 23:19:34,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 23:19:34,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 23:19:34,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 23:19:34,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 23:19:34,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 23:19:34,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 23:19:34,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 23:19:34,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 23:19:34,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 23:19:34,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 23:19:34,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 23:19:34,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 23:19:34,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 23:19:34,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 23:19:34,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 23:19:34,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 23:19:34,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 23:19:34,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 23:19:34,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 23:19:34,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 23:19:34,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 23:19:34,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 23:19:34,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 23:19:34,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 23:19:34,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 23:19:34,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 23:19:34,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 23:19:34,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 23:19:34,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 23:19:34,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 23:19:34,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 23:19:34,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 23:19:34,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 23:19:34,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 23:19:34,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 23:19:34,880 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 23:19:34,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 23:19:34,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 23:19:34,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 23:19:34,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 23:19:34,896 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 23:19:34,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 23:19:34,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 23:19:34,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 23:19:34,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 23:19:34,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 23:19:34,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 23:19:34,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 23:19:34,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 23:19:34,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 23:19:34,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 23:19:34,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 23:19:34,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 23:19:34,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 23:19:34,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 23:19:34,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 23:19:34,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 23:19:34,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 23:19:34,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 23:19:34,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 23:19:34,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 23:19:34,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 23:19:34,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 23:19:34,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 23:19:34,901 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 23:19:34,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 23:19:34,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 23:19:34,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 23:19:34,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 23:19:34,961 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 23:19:34,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 23:19:35,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e342c791/86b52e0dcbd448dba1c811e299e7f866/FLAG5363580ab [2019-09-18 23:19:35,476 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 23:19:35,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 23:19:35,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e342c791/86b52e0dcbd448dba1c811e299e7f866/FLAG5363580ab [2019-09-18 23:19:35,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e342c791/86b52e0dcbd448dba1c811e299e7f866 [2019-09-18 23:19:35,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 23:19:35,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 23:19:35,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 23:19:35,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 23:19:35,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 23:19:35,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:35" (1/1) ... [2019-09-18 23:19:35,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371a009c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:35, skipping insertion in model container [2019-09-18 23:19:35,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:35" (1/1) ... [2019-09-18 23:19:35,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 23:19:35,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 23:19:36,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:19:36,385 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 23:19:36,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 23:19:36,522 INFO L192 MainTranslator]: Completed translation [2019-09-18 23:19:36,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36 WrapperNode [2019-09-18 23:19:36,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 23:19:36,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 23:19:36,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 23:19:36,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 23:19:36,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (1/1) ... [2019-09-18 23:19:36,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 23:19:36,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 23:19:36,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 23:19:36,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 23:19:36,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:36" (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 23:19:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 23:19:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 23:19:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 23:19:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 23:19:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 23:19:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 23:19:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 23:19:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 23:19:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 23:19:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 23:19:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 23:19:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 23:19:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 23:19:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 23:19:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 23:19:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 23:19:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:19:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 23:19:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 23:19:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 23:19:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 23:19:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 23:19:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 23:19:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 23:19:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 23:19:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 23:19:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 23:19:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 23:19:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 23:19:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 23:19:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 23:19:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 23:19:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 23:19:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 23:19:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 23:19:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 23:19:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 23:19:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 23:19:38,259 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 23:19:38,259 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 23:19:38,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:38 BoogieIcfgContainer [2019-09-18 23:19:38,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 23:19:38,262 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 23:19:38,262 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 23:19:38,263 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 23:19:38,264 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:38" (1/1) ... [2019-09-18 23:19:38,264 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 23:19:38,305 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 23:19:38,305 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 23:19:38,320 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 23:19:38,335 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 23:19:38,337 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 23:19:49,858 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:20:01,063 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-18 23:20:20,422 WARN L191 SmtUtils]: Spent 11.96 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 23:20:22,031 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 23:20:25,850 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 23:20:25,858 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-18 23:20:27,612 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:29,384 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:31,121 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:32,850 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:34,610 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:20:36,342 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:20:38,100 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:39,819 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 23:20:39,826 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-18 23:20:39,831 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-18 23:20:43,392 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 429 DAG size of output: 424 [2019-09-18 23:20:45,145 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 23:20:55,975 WARN L191 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 446 DAG size of output: 442 [2019-09-18 23:21:01,243 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 23:21:02,678 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 437 DAG size of output: 1 [2019-09-18 23:21:12,842 WARN L191 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 428 DAG size of output: 426 [2019-09-18 23:21:17,838 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 23:21:28,080 WARN L191 SmtUtils]: Spent 10.24 s on a formula simplification. DAG size of input: 436 DAG size of output: 428 [2019-09-18 23:21:33,184 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:21:38,299 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:21:43,454 WARN L191 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:21:44,713 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-18 23:21:54,829 WARN L191 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 435 DAG size of output: 428 [2019-09-18 23:21:59,882 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:22:09,950 WARN L191 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 432 DAG size of output: 428 [2019-09-18 23:22:14,999 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:22:22,436 WARN L191 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 459 DAG size of output: 455 [2019-09-18 23:22:24,334 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 23:22:34,580 WARN L191 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 458 DAG size of output: 456 [2019-09-18 23:22:39,686 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 23:22:44,861 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:22:49,926 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:23:08,192 WARN L191 SmtUtils]: Spent 18.25 s on a formula simplification. DAG size of input: 469 DAG size of output: 462 [2019-09-18 23:23:16,713 WARN L191 SmtUtils]: Spent 8.52 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 23:23:21,820 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:23:39,612 WARN L191 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 466 DAG size of output: 455 [2019-09-18 23:23:44,848 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 23:23:55,331 WARN L191 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 466 DAG size of output: 456 [2019-09-18 23:24:00,498 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 23:24:05,664 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 23:24:23,160 WARN L191 SmtUtils]: Spent 17.48 s on a formula simplification. DAG size of input: 466 DAG size of output: 462 [2019-09-18 23:24:31,951 WARN L191 SmtUtils]: Spent 8.79 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 23:24:37,046 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:25:00,163 WARN L191 SmtUtils]: Spent 23.10 s on a formula simplification. DAG size of input: 476 DAG size of output: 457 [2019-09-18 23:25:05,598 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 23:25:15,916 WARN L191 SmtUtils]: Spent 10.27 s on a formula simplification. DAG size of input: 435 DAG size of output: 429 [2019-09-18 23:25:20,978 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 429 [2019-09-18 23:25:31,412 WARN L191 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 438 DAG size of output: 435 [2019-09-18 23:25:36,545 WARN L191 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:25:56,187 WARN L191 SmtUtils]: Spent 19.63 s on a formula simplification. DAG size of input: 476 DAG size of output: 471 [2019-09-18 23:26:04,494 WARN L191 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 23:26:14,836 WARN L191 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 430 DAG size of output: 428 [2019-09-18 23:26:19,875 WARN L191 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 23:26:30,315 WARN L191 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 439 DAG size of output: 430 [2019-09-18 23:26:35,725 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:26:41,137 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-18 23:26:46,447 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 432 [2019-09-18 23:26:57,098 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2019-09-18 23:27:02,380 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:27:12,993 WARN L191 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-18 23:27:18,229 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:27:23,635 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:27:40,884 WARN L191 SmtUtils]: Spent 17.23 s on a formula simplification. DAG size of input: 487 DAG size of output: 456 [2019-09-18 23:27:46,182 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 23:27:51,274 WARN L191 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:28:01,853 WARN L191 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 454 DAG size of output: 453 [2019-09-18 23:28:07,121 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 23:28:24,067 WARN L191 SmtUtils]: Spent 16.92 s on a formula simplification. DAG size of input: 484 DAG size of output: 458 [2019-09-18 23:28:29,298 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 23:28:34,535 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:28:44,979 WARN L191 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 464 DAG size of output: 454 [2019-09-18 23:28:50,256 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 23:28:55,344 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:29:06,709 WARN L191 SmtUtils]: Spent 11.36 s on a formula simplification. DAG size of input: 460 DAG size of output: 454 [2019-09-18 23:29:11,949 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 23:29:22,443 WARN L191 SmtUtils]: Spent 10.48 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-18 23:29:27,688 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 23:29:45,125 WARN L191 SmtUtils]: Spent 17.42 s on a formula simplification. DAG size of input: 471 DAG size of output: 470 [2019-09-18 23:29:53,725 WARN L191 SmtUtils]: Spent 8.60 s on a formula simplification that was a NOOP. DAG size: 470 [2019-09-18 23:30:02,131 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 23:30:10,596 WARN L191 SmtUtils]: Spent 8.46 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 23:30:15,808 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:30:47,001 WARN L191 SmtUtils]: Spent 31.17 s on a formula simplification. DAG size of input: 526 DAG size of output: 476 [2019-09-18 23:30:55,490 WARN L191 SmtUtils]: Spent 8.49 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-18 23:31:00,664 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:31:05,899 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:31:27,266 WARN L191 SmtUtils]: Spent 21.35 s on a formula simplification. DAG size of input: 489 DAG size of output: 460 [2019-09-18 23:31:32,604 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 23:31:37,711 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 23:31:48,283 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 465 DAG size of output: 460 [2019-09-18 23:31:53,548 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 23:32:16,392 WARN L191 SmtUtils]: Spent 22.82 s on a formula simplification. DAG size of input: 491 DAG size of output: 459 [2019-09-18 23:32:21,659 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 23:32:26,817 WARN L191 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 23:32:37,515 WARN L191 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 466 DAG size of output: 455 [2019-09-18 23:32:42,816 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 23:32:47,948 WARN L191 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 430