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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:37:54,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:37:54,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:37:54,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:37:54,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:37:54,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:37:54,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:37:54,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:37:55,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:37:55,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:37:55,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:37:55,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:37:55,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:37:55,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:37:55,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:37:55,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:37:55,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:37:55,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:37:55,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:37:55,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:37:55,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:37:55,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:37:55,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:37:55,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:37:55,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:37:55,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:37:55,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:37:55,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:37:55,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:37:55,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:37:55,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:37:55,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:37:55,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:37:55,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:37:55,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:37:55,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:37:55,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:37:55,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:37:55,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:37:55,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:37:55,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:37:55,040 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 [2019-09-20 22:37:55,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:37:55,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:37:55,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:37:55,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:37:55,060 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:37:55,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:37:55,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:37:55,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:37:55,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:37:55,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:37:55,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:37:55,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:37:55,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:37:55,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:37:55,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:37:55,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:37:55,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:37:55,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:37:55,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:37:55,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:37:55,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:37:55,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:37:55,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:37:55,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:37:55,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:37:55,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:37:55,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:37:55,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:37:55,065 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:37:55,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:37:55,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:37:55,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:37:55,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:37:55,112 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:37:55,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c [2019-09-20 22:37:55,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77f5fd81/dbcb369a7455485a8d3b7fe826c45be9/FLAG52d38857c [2019-09-20 22:37:55,740 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:37:55,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c [2019-09-20 22:37:55,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77f5fd81/dbcb369a7455485a8d3b7fe826c45be9/FLAG52d38857c [2019-09-20 22:37:56,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77f5fd81/dbcb369a7455485a8d3b7fe826c45be9 [2019-09-20 22:37:56,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:37:56,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:37:56,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:56,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:37:56,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:37:56,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bb4438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56, skipping insertion in model container [2019-09-20 22:37:56,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:37:56,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:37:56,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:56,674 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:37:56,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:37:56,798 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:37:56,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56 WrapperNode [2019-09-20 22:37:56,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:37:56,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:37:56,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:37:56,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:37:56,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... [2019-09-20 22:37:56,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:37:56,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:37:56,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:37:56,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:37:56,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:37:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:37:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:37:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:37:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:37:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:37:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:37:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:37:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:37:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:37:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 22:37:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:37:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:37:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:37:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:37:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:37:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:37:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:37:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:37:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:37:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:37:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:37:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:37:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:37:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:37:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:37:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:37:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:37:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:37:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:37:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:37:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:37:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:37:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:37:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:37:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:37:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:37:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:37:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:37:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:37:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:37:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:37:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:37:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 22:37:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:37:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:37:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:37:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:37:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:37:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:37:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:37:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:37:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:37:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:37:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:37:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:37:58,530 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:37:58,531 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:37:58,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:58 BoogieIcfgContainer [2019-09-20 22:37:58,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:37:58,533 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:37:58,533 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:37:58,533 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:37:58,534 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:58" (1/1) ... [2019-09-20 22:37:58,535 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:37:58,557 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:37:58,558 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:37:58,567 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:37:58,576 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:37:58,578 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:38:22,062 WARN L191 SmtUtils]: Spent 14.37 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:38:23,725 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:38:27,803 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:38:29,581 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:31,400 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:38:31,422 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:38:31,485 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:38:31,495 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:38:32,341 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:38:32,399 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:38:32,429 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:38:32,437 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:38:32,443 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:38:32,443 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:38:32,445 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 678#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:38:32,459 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:38:32,460 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:38:32,462 INFO L168 Benchmark]: Toolchain (without parser) took 36346.95 ms. Allocated memory was 132.6 MB in the beginning and 433.6 MB in the end (delta: 300.9 MB). Free memory was 88.1 MB in the beginning and 85.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 303.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,463 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.00 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 162.7 MB in the end (delta: -74.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,465 INFO L168 Benchmark]: Boogie Preprocessor took 90.53 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 158.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,466 INFO L168 Benchmark]: RCFGBuilder took 1642.26 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.9 MB in the beginning and 139.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,467 INFO L168 Benchmark]: Sifa took 33927.14 ms. Allocated memory was 222.8 MB in the beginning and 433.6 MB in the end (delta: 210.8 MB). Free memory was 139.6 MB in the beginning and 85.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 265.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:38:32,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.00 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 162.7 MB in the end (delta: -74.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.53 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 158.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1642.26 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.9 MB in the beginning and 139.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 33927.14 ms. Allocated memory was 222.8 MB in the beginning and 433.6 MB in the end (delta: 210.8 MB). Free memory was 139.6 MB in the beginning and 85.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 265.0 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]: 33888, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 220, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 29190, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 53, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_APPLICATIONS: 272, TOOLS_QUANTIFIERELIM_TIME[ms]: 29222, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29154, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 222, FLUID_YES_ANSWERS: 222, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 4121, DOMAIN_ALPHA_APPLICATIONS: 222, DOMAIN_ALPHA_TIME[ms]: 294, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 58, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 541, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 540, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33121, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33120, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 697, DAG_COMPRESSION_RETAINED_NODES: 268 - UnprovableResult [Line: 185]: 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 678#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...