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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:52:26,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:52:26,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:52:26,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:52:26,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:52:26,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:52:26,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:52:26,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:52:26,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:52:26,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:52:26,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:52:26,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:52:26,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:52:26,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:52:26,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:52:26,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:52:26,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:52:26,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:52:26,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:52:26,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:52:26,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:52:26,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:52:26,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:52:26,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:52:26,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:52:26,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:52:26,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:52:26,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:52:26,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:52:26,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:52:26,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:52:26,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:52:26,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:52:26,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:52:26,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:52:26,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:52:26,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:52:26,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:52:26,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:52:26,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:52:26,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:52:26,999 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 14:52:27,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:52:27,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:52:27,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:52:27,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:52:27,018 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:52:27,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:52:27,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:52:27,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:52:27,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:52:27,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:52:27,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:52:27,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:52:27,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:52:27,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:52:27,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:52:27,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:52:27,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:52:27,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:52:27,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:52:27,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:52:27,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:52:27,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:52:27,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:52:27,024 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 -> SingleStatement 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_DDA [2019-09-18 14:52:27,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:52:27,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:52:27,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:52:27,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:52:27,078 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:52:27,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-09-18 14:52:27,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bd1ad95/61c1d0bc51f24103a04ec9a5d626b9b0/FLAG53d8ec542 [2019-09-18 14:52:27,676 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:52:27,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-09-18 14:52:27,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bd1ad95/61c1d0bc51f24103a04ec9a5d626b9b0/FLAG53d8ec542 [2019-09-18 14:52:27,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bd1ad95/61c1d0bc51f24103a04ec9a5d626b9b0 [2019-09-18 14:52:27,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:52:27,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:52:27,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:52:27,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:52:27,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:52:27,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:52:27" (1/1) ... [2019-09-18 14:52:27,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:27, skipping insertion in model container [2019-09-18 14:52:27,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:52:27" (1/1) ... [2019-09-18 14:52:27,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:52:28,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:52:28,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:52:28,436 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:52:28,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:52:28,561 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:52:28,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28 WrapperNode [2019-09-18 14:52:28,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:52:28,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:52:28,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:52:28,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:52:28,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (1/1) ... [2019-09-18 14:52:28,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:52:28,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:52:28,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:52:28,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:52:28,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:52:28" (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 14:52:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:52:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:52:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:52:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:52:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:52:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:52:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:52:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:52:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:52:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:52:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:52:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:52:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:52:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:52:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:52:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:52:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:52:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:52:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:52:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:52:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:52:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:52:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:52:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:52:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:52:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:52:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:52:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:52:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:52:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:52:29,894 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:52:29,894 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:52:29,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:52:29 BoogieIcfgContainer [2019-09-18 14:52:29,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:52:29,897 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:52:29,897 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:52:29,897 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:52:29,898 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:52:29" (1/1) ... [2019-09-18 14:52:29,899 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 14:52:29,922 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:52:29,922 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:52:29,933 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:52:29,942 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:52:29,944 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:52:30,473 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-18 14:52:30,863 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-18 14:52:31,032 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-18 14:52:31,300 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-18 14:52:31,534 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-18 14:52:31,923 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-18 14:52:32,237 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-18 14:52:32,700 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-18 14:52:33,116 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-18 14:52:33,793 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-18 14:52:34,326 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-18 14:52:34,532 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 14:52:35,184 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-18 14:52:35,703 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-18 14:52:36,024 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 14:52:36,886 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-18 14:52:37,099 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 14:52:37,651 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-18 14:52:38,004 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-18 14:52:39,089 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-18 14:52:39,271 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 14:52:39,898 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-18 14:52:40,280 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-18 14:52:41,336 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-18 14:52:42,179 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-18 14:52:42,801 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-18 14:52:44,591 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 339 DAG size of output: 167 [2019-09-18 14:52:45,528 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 162 [2019-09-18 14:52:46,356 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-18 14:52:48,551 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 404 DAG size of output: 176 [2019-09-18 14:52:49,643 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 171 [2019-09-18 14:52:50,712 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-18 14:52:53,746 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 476 DAG size of output: 216 [2019-09-18 14:52:55,091 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 259 DAG size of output: 211 [2019-09-18 14:52:56,453 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-18 14:53:00,273 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 527 DAG size of output: 243 [2019-09-18 14:53:01,824 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 282 DAG size of output: 238 [2019-09-18 14:53:03,517 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 14:53:08,192 WARN L191 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 615 DAG size of output: 262 [2019-09-18 14:53:09,953 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 307 DAG size of output: 257 [2019-09-18 14:53:12,055 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 14:53:17,920 WARN L191 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 685 DAG size of output: 281 [2019-09-18 14:53:18,300 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:53:19,994 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 330 DAG size of output: 278 [2019-09-18 14:53:22,542 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 14:53:28,817 WARN L191 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 791 DAG size of output: 291 [2019-09-18 14:53:29,160 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:53:31,022 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 359 DAG size of output: 288 [2019-09-18 14:53:34,036 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 14:53:41,608 WARN L191 SmtUtils]: Spent 7.56 s on a formula simplification. DAG size of input: 807 DAG size of output: 309 [2019-09-18 14:53:43,907 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 375 DAG size of output: 304 [2019-09-18 14:53:47,536 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 14:53:56,434 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification. DAG size of input: 846 DAG size of output: 330 [2019-09-18 14:53:56,827 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 14:53:59,113 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 404 DAG size of output: 327 [2019-09-18 14:54:03,236 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 14:54:14,661 WARN L191 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 874 DAG size of output: 363 [2019-09-18 14:54:15,118 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 14:54:17,831 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 438 DAG size of output: 362 [2019-09-18 14:54:22,950 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 14:54:36,601 WARN L191 SmtUtils]: Spent 13.63 s on a formula simplification. DAG size of input: 979 DAG size of output: 382 [2019-09-18 14:54:37,079 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 14:54:39,969 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 451 DAG size of output: 379 [2019-09-18 14:54:45,732 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 14:55:01,773 WARN L191 SmtUtils]: Spent 16.01 s on a formula simplification. DAG size of input: 1122 DAG size of output: 404 [2019-09-18 14:55:02,331 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:55:05,783 WARN L191 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 490 DAG size of output: 405 [2019-09-18 14:55:12,331 WARN L191 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 14:55:31,135 WARN L191 SmtUtils]: Spent 18.77 s on a formula simplification. DAG size of input: 1166 DAG size of output: 422 [2019-09-18 14:55:31,695 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:55:35,190 WARN L191 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 489 DAG size of output: 419 [2019-09-18 14:55:38,478 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2019-09-18 14:55:40,103 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:55:40,115 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 14:55:40,167 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 14:55:40,184 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 14:55:50,874 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:55:56,081 WARN L191 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:56:06,677 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:56:11,909 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:56:22,428 WARN L191 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:56:27,677 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:56:45,709 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 14:56:54,401 WARN L191 SmtUtils]: Spent 8.69 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:57:25,514 WARN L191 SmtUtils]: Spent 30.99 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-18 14:57:40,964 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:58:25,709 WARN L191 SmtUtils]: Spent 44.74 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-18 14:58:29,153 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 484 DAG size of output: 43 [2019-09-18 14:58:29,407 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-18 14:58:29,797 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-18 14:58:30,105 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 14:58:30,438 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 14:58:30,652 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 14:58:30,862 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-18 14:58:31,140 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 14:58:31,327 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 14:58:31,514 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 14:58:49,035 WARN L191 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 14:58:57,703 WARN L191 SmtUtils]: Spent 8.67 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:59:28,642 WARN L191 SmtUtils]: Spent 30.87 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-18 14:59:44,105 WARN L191 SmtUtils]: Spent 15.46 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 15:00:28,803 WARN L191 SmtUtils]: Spent 44.70 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-18 15:00:31,238 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 484 DAG size of output: 43 [2019-09-18 15:00:31,501 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-18 15:00:31,894 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-18 15:00:32,112 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 15:00:32,512 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 15:00:32,615 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-18 15:00:50,007 WARN L191 SmtUtils]: Spent 17.36 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-18 15:00:58,716 WARN L191 SmtUtils]: Spent 8.71 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 15:01:29,755 WARN L191 SmtUtils]: Spent 30.94 s on a formula simplification. DAG size of input: 487 DAG size of output: 487 [2019-09-18 15:01:45,221 WARN L191 SmtUtils]: Spent 15.46 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 15:02:29,999 WARN L191 SmtUtils]: Spent 44.78 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-18 15:02:30,198 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-18 15:02:32,408 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 484 DAG size of output: 43 [2019-09-18 15:02:32,676 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-18 15:02:33,090 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-18 15:02:33,306 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 15:02:33,775 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-18 15:02:33,785 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 15:02:34,188 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 15:02:34,390 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 25 for LOIs [2019-09-18 15:02:34,393 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 33 for LOIs [2019-09-18 15:02:34,445 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 15:02:34,445 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 15:02:34,448 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 858#(and (not (= 0 ~systemActive~0)) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-18 15:02:34,458 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 15:02:34,458 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 15:02:34,459 INFO L168 Benchmark]: Toolchain (without parser) took 606492.32 ms. Allocated memory was 132.6 MB in the beginning and 147.3 MB in the end (delta: 14.7 MB). Free memory was 86.3 MB in the beginning and 61.1 MB in the end (delta: 25.1 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,459 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.47 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 162.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,460 INFO L168 Benchmark]: Boogie Preprocessor took 86.52 ms. Allocated memory is still 199.8 MB. Free memory was 162.6 MB in the beginning and 158.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,460 INFO L168 Benchmark]: RCFGBuilder took 1246.94 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.9 MB in the beginning and 166.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,461 INFO L168 Benchmark]: Sifa took 604561.19 ms. Allocated memory was 223.3 MB in the beginning and 147.3 MB in the end (delta: -76.0 MB). Free memory was 166.6 MB in the beginning and 62.2 MB in the end (delta: 104.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-09-18 15:02:34,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.47 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 162.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.52 ms. Allocated memory is still 199.8 MB. Free memory was 162.6 MB in the beginning and 158.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.94 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.9 MB in the beginning and 166.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * Sifa took 604561.19 ms. Allocated memory was 223.3 MB in the beginning and 147.3 MB in the end (delta: -76.0 MB). Free memory was 166.6 MB in the beginning and 62.2 MB in the end (delta: 104.4 MB). Peak memory consumption was 28.4 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]: 604526, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 537, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 185267, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 184, TOOLS_POST_RETURN_APPLICATIONS: 79, TOOLS_POST_RETURN_TIME[ms]: 106, TOOLS_QUANTIFIERELIM_APPLICATIONS: 602, TOOLS_QUANTIFIERELIM_TIME[ms]: 185394, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29404, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 546, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 102, DOMAIN_JOIN_TIME[ms]: 411794, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 6580, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 386, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 285602, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 285601, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 79, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 191249, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 191249, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 793, DAG_COMPRESSION_RETAINED_NODES: 457 - UnprovableResult [Line: 516]: 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 858#(and (not (= 0 ~systemActive~0)) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~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...