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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:57:34,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:57:34,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:57:35,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:57:35,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:57:35,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:57:35,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:57:35,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:57:35,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:57:35,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:57:35,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:57:35,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:57:35,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:57:35,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:57:35,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:57:35,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:57:35,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:57:35,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:57:35,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:57:35,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:57:35,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:57:35,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:57:35,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:57:35,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:57:35,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:57:35,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:57:35,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:57:35,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:57:35,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:57:35,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:57:35,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:57:35,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:57:35,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:57:35,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:57:35,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:57:35,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:57:35,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:57:35,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:57:35,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:57:35,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:57:35,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:57:35,040 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 [2019-09-19 22:57:35,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:57:35,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:57:35,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:57:35,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:57:35,066 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:57:35,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:57:35,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:57:35,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:57:35,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:57:35,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:57:35,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:57:35,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:57:35,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:57:35,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:57:35,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:57:35,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:57:35,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:57:35,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:57:35,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:57:35,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:57:35,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:57:35,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:57:35,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:57:35,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:57:35,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:57:35,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:57:35,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:57:35,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:57:35,073 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:57:35,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:57:35,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:57:35,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:57:35,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:57:35,153 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:57:35,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-09-19 22:57:35,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57511e7d3/4af1fa5d34d140f49d7ace7a14810bf6/FLAGf68698070 [2019-09-19 22:57:35,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:57:35,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2019-09-19 22:57:35,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57511e7d3/4af1fa5d34d140f49d7ace7a14810bf6/FLAGf68698070 [2019-09-19 22:57:36,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57511e7d3/4af1fa5d34d140f49d7ace7a14810bf6 [2019-09-19 22:57:36,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:57:36,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:57:36,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:57:36,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:57:36,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:57:36,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72966280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36, skipping insertion in model container [2019-09-19 22:57:36,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:57:36,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:57:36,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:57:36,557 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:57:36,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:57:36,752 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:57:36,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36 WrapperNode [2019-09-19 22:57:36,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:57:36,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:57:36,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:57:36,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:57:36,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (1/1) ... [2019-09-19 22:57:36,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:57:36,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:57:36,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:57:36,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:57:36,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:36" (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 [2019-09-19 22:57:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:57:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:57:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:57:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:57:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:57:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:57:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:57:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:57:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:57:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:57:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:57:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:57:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:57:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:57:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:57:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:57:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:57:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:57:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:57:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:57:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:57:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:57:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:57:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:57:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:57:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:57:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:57:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:57:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 22:57:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:57:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 22:57:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:57:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:57:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:57:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:57:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:57:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:57:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:57:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:57:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:57:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:57:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:57:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:57:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:57:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:57:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:57:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:57:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:57:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:57:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:57:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:57:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:57:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:57:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:57:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:57:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:57:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:57:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:57:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:57:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:57:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:57:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:57:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:57:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:57:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:57:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:57:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:57:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 22:57:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:57:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:57:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:57:38,502 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:57:38,502 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:57:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:57:38 BoogieIcfgContainer [2019-09-19 22:57:38,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:57:38,504 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:57:38,505 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:57:38,505 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:57:38,506 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:57:38" (1/1) ... [2019-09-19 22:57:38,507 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:57:38,532 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:57:38,532 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:57:38,543 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:57:38,554 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:57:38,556 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:58:04,458 WARN L191 SmtUtils]: Spent 14.46 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 22:58:06,184 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:58:10,046 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 22:58:11,961 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:58:13,864 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:58:13,879 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 22:58:13,950 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 22:58:13,966 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 22:58:25,518 WARN L191 SmtUtils]: Spent 11.37 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:58:31,111 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:58:42,215 WARN L191 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:58:47,746 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:58:58,866 WARN L191 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:59:04,388 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:59:15,435 WARN L191 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:59:20,983 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:59:32,040 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:59:37,631 WARN L191 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:59:48,716 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:59:54,410 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:00:06,120 WARN L191 SmtUtils]: Spent 11.71 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:00:11,860 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:00:23,343 WARN L191 SmtUtils]: Spent 11.48 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:00:28,996 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:00:47,443 WARN L191 SmtUtils]: Spent 18.40 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:00:56,643 WARN L191 SmtUtils]: Spent 9.20 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:01:29,464 WARN L191 SmtUtils]: Spent 32.74 s on a formula simplification. DAG size of input: 483 DAG size of output: 480 [2019-09-19 23:01:45,738 WARN L191 SmtUtils]: Spent 16.27 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-19 23:02:04,638 WARN L191 SmtUtils]: Spent 18.26 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-19 23:02:13,716 WARN L191 SmtUtils]: Spent 9.08 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:02:19,470 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:02:24,955 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:02:36,079 WARN L191 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:02:41,606 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:02:52,654 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:02:58,142 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:03:11,004 WARN L191 SmtUtils]: Spent 12.83 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-19 23:03:11,497 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:03:11,653 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:03:11,992 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:03:12,244 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 23:03:12,529 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:03:12,896 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:03:13,170 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:03:13,593 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-19 23:03:13,903 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:03:14,052 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:03:32,625 WARN L191 SmtUtils]: Spent 18.39 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:03:41,818 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:04:15,341 WARN L191 SmtUtils]: Spent 33.48 s on a formula simplification. DAG size of input: 483 DAG size of output: 480 [2019-09-19 23:04:31,709 WARN L191 SmtUtils]: Spent 16.37 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-19 23:04:49,875 WARN L191 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-19 23:04:58,900 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:05:04,416 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:05:09,980 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:05:21,011 WARN L191 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:05:26,543 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:05:37,532 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:05:43,006 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:05:55,673 WARN L191 SmtUtils]: Spent 12.65 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-19 23:05:55,983 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:05:56,135 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:05:56,396 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-19 23:05:56,652 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 23:05:56,930 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:05:57,284 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:05:57,550 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:05:57,981 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-19 23:05:58,286 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:05:58,435 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:06:17,052 WARN L191 SmtUtils]: Spent 18.43 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:06:26,210 WARN L191 SmtUtils]: Spent 9.16 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:06:59,087 WARN L191 SmtUtils]: Spent 32.83 s on a formula simplification. DAG size of input: 483 DAG size of output: 480 [2019-09-19 23:07:15,492 WARN L191 SmtUtils]: Spent 16.40 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-19 23:07:33,792 WARN L191 SmtUtils]: Spent 18.20 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-19 23:07:42,799 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:07:48,340 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:07:53,838 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:08:04,827 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:08:10,332 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:08:21,381 WARN L191 SmtUtils]: Spent 11.05 s on a formula simplification. DAG size of input: 468 DAG size of output: 454 [2019-09-19 23:08:26,900 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-19 23:08:39,642 WARN L191 SmtUtils]: Spent 12.73 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-19 23:08:39,950 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:08:40,102 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:08:40,575 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-19 23:08:40,857 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:08:41,230 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:08:41,503 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 23:08:41,960 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-19 23:08:42,262 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:08:42,424 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-19 23:09:00,918 WARN L191 SmtUtils]: Spent 18.31 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 23:09:10,154 WARN L191 SmtUtils]: Spent 9.24 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 23:09:42,967 WARN L191 SmtUtils]: Spent 32.77 s on a formula simplification. DAG size of input: 483 DAG size of output: 480 [2019-09-19 23:09:59,314 WARN L191 SmtUtils]: Spent 16.35 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-19 23:10:17,713 WARN L191 SmtUtils]: Spent 18.30 s on a formula simplification. DAG size of input: 466 DAG size of output: 461 [2019-09-19 23:10:26,828 WARN L191 SmtUtils]: Spent 9.11 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:10:32,441 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:10:37,975 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 23:10:48,907 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 468 DAG size of output: 454