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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:11:50,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:11:50,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:11:50,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:11:50,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:11:50,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:11:50,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:11:50,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:11:50,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:11:50,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:11:50,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:11:50,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:11:50,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:11:50,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:11:50,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:11:50,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:11:50,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:11:50,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:11:50,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:11:50,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:11:50,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:11:50,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:11:50,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:11:50,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:11:50,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:11:50,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:11:50,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:11:50,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:11:50,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:11:50,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:11:50,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:11:50,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:11:50,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:11:50,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:11:50,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:11:50,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:11:50,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:11:50,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:11:50,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:11:50,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:11:50,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:11:50,995 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 [2019-09-17 06:11:51,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:11:51,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:11:51,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:11:51,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:11:51,023 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:11:51,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:11:51,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:11:51,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:11:51,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:11:51,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:11:51,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:11:51,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:11:51,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:11:51,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:11:51,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:11:51,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:11:51,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:11:51,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:11:51,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:11:51,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:11:51,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:11:51,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:11:51,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:11:51,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:11:51,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:11:51,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:11:51,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:11:51,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:11:51,030 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 [2019-09-17 06:11:51,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:11:51,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:11:51,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:11:51,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:11:51,113 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:11:51,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-17 06:11:51,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb06a8a0/b8b6f8f6d52443f3b7f4ce7050c7cea2/FLAGc377a3920 [2019-09-17 06:11:51,691 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:11:51,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-17 06:11:51,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb06a8a0/b8b6f8f6d52443f3b7f4ce7050c7cea2/FLAGc377a3920 [2019-09-17 06:11:51,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb06a8a0/b8b6f8f6d52443f3b7f4ce7050c7cea2 [2019-09-17 06:11:52,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:11:52,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:11:52,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:11:52,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:11:52,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:11:52,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:11:51" (1/1) ... [2019-09-17 06:11:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a2888d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52, skipping insertion in model container [2019-09-17 06:11:52,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:11:51" (1/1) ... [2019-09-17 06:11:52,019 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:11:52,080 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:11:52,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:11:52,494 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:11:52,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:11:52,705 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:11:52,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52 WrapperNode [2019-09-17 06:11:52,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:11:52,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:11:52,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:11:52,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:11:52,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (1/1) ... [2019-09-17 06:11:52,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:11:52,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:11:52,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:11:52,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:11:52,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:52" (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 [2019-09-17 06:11:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:11:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:11:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:11:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:11:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:11:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:11:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:11:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:11:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:11:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:11:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:11:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:11:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:11:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:11:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:11:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:11:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:11:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:11:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:11:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:11:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:11:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:11:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:11:54,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:11:54,524 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:11:54,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:11:54 BoogieIcfgContainer [2019-09-17 06:11:54,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:11:54,526 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:11:54,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:11:54,526 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:11:54,528 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:11:54" (1/1) ... [2019-09-17 06:11:54,528 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 [2019-09-17 06:11:54,565 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:11:54,565 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:11:54,575 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:11:54,584 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:11:54,586 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:12:02,740 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:12:04,383 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:12:04,534 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:12:04,693 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:12:04,828 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:12:04,854 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 06:12:04,907 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 06:12:04,925 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 06:12:05,558 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:12:05,898 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:12:06,213 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:12:06,494 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 06:12:06,867 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:12:07,172 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:12:07,335 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-17 06:12:07,466 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-17 06:12:07,626 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:07,741 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:07,889 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:08,050 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:08,452 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:12:08,813 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:12:09,090 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 06:12:09,572 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:12:09,800 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:12:10,374 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:12:10,550 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-17 06:12:10,708 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:12:10,837 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:12:10,953 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:12:11,215 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:11,407 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-17 06:12:12,477 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:12:13,805 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-17 06:12:13,916 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-17 06:12:13,924 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 06:12:13,926 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-17 06:12:13,939 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-17 06:12:13,944 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-17 06:12:13,948 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:12:13,948 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:12:13,950 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 657#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:12:13,966 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:12:13,966 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:12:13,968 INFO L168 Benchmark]: Toolchain (without parser) took 21965.64 ms. Allocated memory was 132.1 MB in the beginning and 708.3 MB in the end (delta: 576.2 MB). Free memory was 87.4 MB in the beginning and 520.6 MB in the end (delta: -433.2 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,969 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.71 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 87.2 MB in the beginning and 161.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,971 INFO L168 Benchmark]: Boogie Preprocessor took 101.80 ms. Allocated memory is still 198.2 MB. Free memory was 161.9 MB in the beginning and 157.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,972 INFO L168 Benchmark]: RCFGBuilder took 1717.31 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 157.4 MB in the beginning and 136.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,973 INFO L168 Benchmark]: Sifa took 19440.00 ms. Allocated memory was 221.2 MB in the beginning and 708.3 MB in the end (delta: 487.1 MB). Free memory was 136.7 MB in the beginning and 520.6 MB in the end (delta: -383.9 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:13,976 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 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.71 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 87.2 MB in the beginning and 161.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.80 ms. Allocated memory is still 198.2 MB. Free memory was 161.9 MB in the beginning and 157.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1717.31 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 157.4 MB in the beginning and 136.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 19440.00 ms. Allocated memory was 221.2 MB in the beginning and 708.3 MB in the end (delta: 487.1 MB). Free memory was 136.7 MB in the beginning and 520.6 MB in the end (delta: -383.9 MB). Peak memory consumption was 103.2 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]: 19386, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 266, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 10012, TOOLS_POST_CALL_APPLICATIONS: 74, TOOLS_POST_CALL_TIME[ms]: 189, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 320, TOOLS_QUANTIFIERELIM_TIME[ms]: 10169, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9889, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 269, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 8534, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 367, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2019, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2018, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10358, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10356, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 641, DAG_COMPRESSION_RETAINED_NODES: 265 - UnprovableResult [Line: 923]: 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 657#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~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...