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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:38:56,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:38:56,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:38:56,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:38:56,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:38:56,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:38:56,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:38:56,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:38:56,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:38:56,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:38:56,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:38:56,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:38:56,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:38:56,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:38:56,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:38:56,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:38:56,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:38:56,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:38:56,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:38:56,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:38:56,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:38:57,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:38:57,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:38:57,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:38:57,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:38:57,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:38:57,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:38:57,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:38:57,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:38:57,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:38:57,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:38:57,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:38:57,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:38:57,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:38:57,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:38:57,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:38:57,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:38:57,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:38:57,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:38:57,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:38:57,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:38:57,020 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 22:38:57,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:38:57,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:38:57,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:38:57,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:38:57,059 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:38:57,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:38:57,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:38:57,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:38:57,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:38:57,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:38:57,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:38:57,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:38:57,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:38:57,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:38:57,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:38:57,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:38:57,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:38:57,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:38:57,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:38:57,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:38:57,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:38:57,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:38:57,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:38:57,066 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 22:38:57,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:38:57,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:38:57,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:38:57,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:38:57,150 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:38:57,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-09-20 22:38:57,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d3d231/ba3644c40cf349569f5701a9f3adf973/FLAG25b8f09fe [2019-09-20 22:38:57,801 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:38:57,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-09-20 22:38:57,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d3d231/ba3644c40cf349569f5701a9f3adf973/FLAG25b8f09fe [2019-09-20 22:38:58,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d3d231/ba3644c40cf349569f5701a9f3adf973 [2019-09-20 22:38:58,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:38:58,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:38:58,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:38:58,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:38:58,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:38:58,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247428a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58, skipping insertion in model container [2019-09-20 22:38:58,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:38:58,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:38:58,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:38:58,610 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:38:58,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:38:58,737 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:38:58,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58 WrapperNode [2019-09-20 22:38:58,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:38:58,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:38:58,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:38:58,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:38:58,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (1/1) ... [2019-09-20 22:38:58,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:38:58,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:38:58,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:38:58,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:38:58,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:38:58" (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 22:38:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:38:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:38:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:38:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:38:58,941 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:38:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:38:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:38:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:38:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:38:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:38:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:38:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:38:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:38:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 22:38:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:38:58,944 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:38:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:38:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:38:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:38:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:38:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:38:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:38:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:38:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 22:38:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:38:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:38:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:38:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:38:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:38:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:38:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:38:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:38:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:38:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:38:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:38:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:38:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:38:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:38:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:38:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:38:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:38:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:38:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:38:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:38:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:38:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:38:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:38:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:38:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:38:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:38:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 22:38:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:38:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:38:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:38:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:38:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:38:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:38:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:38:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 22:38:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 22:38:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:38:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:38:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:38:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:38:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:38:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:38:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:38:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:38:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:38:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:38:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:38:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:38:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:38:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:38:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:38:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:38:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:38:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:38:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:38:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:38:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:39:00,703 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:39:00,703 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:39:00,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:00 BoogieIcfgContainer [2019-09-20 22:39:00,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:39:00,706 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:39:00,706 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:39:00,706 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:39:00,707 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:00" (1/1) ... [2019-09-20 22:39:00,708 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 22:39:00,732 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:39:00,732 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:39:00,741 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:39:00,750 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:39:00,752 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:39:22,131 WARN L191 SmtUtils]: Spent 12.61 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:39:24,039 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:39:28,081 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:39:29,946 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:39:31,747 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:39:31,782 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:39:31,814 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:39:31,823 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:39:32,435 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:39:32,513 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:39:32,534 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 22:39:32,542 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-20 22:39:32,547 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:39:32,547 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:39:32,549 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 602#(= ~switchedOnBeforeTS~0 0) [2019-09-20 22:39:32,559 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:39:32,559 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:39:32,561 INFO L168 Benchmark]: Toolchain (without parser) took 34526.48 ms. Allocated memory was 132.6 MB in the beginning and 422.6 MB in the end (delta: 289.9 MB). Free memory was 87.2 MB in the beginning and 83.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 293.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:32,562 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:39:32,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.92 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 163.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:32,564 INFO L168 Benchmark]: Boogie Preprocessor took 114.48 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 157.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:32,565 INFO L168 Benchmark]: RCFGBuilder took 1851.82 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.5 MB in the beginning and 136.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:32,566 INFO L168 Benchmark]: Sifa took 31854.00 ms. Allocated memory was 223.3 MB in the beginning and 422.6 MB in the end (delta: 199.2 MB). Free memory was 136.3 MB in the beginning and 83.4 MB in the end (delta: 52.9 MB). Peak memory consumption was 252.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:32,569 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 is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.92 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 163.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.48 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 157.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1851.82 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 157.5 MB in the beginning and 136.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Sifa took 31854.00 ms. Allocated memory was 223.3 MB in the beginning and 422.6 MB in the end (delta: 199.2 MB). Free memory was 136.3 MB in the beginning and 83.4 MB in the end (delta: 52.9 MB). Peak memory consumption was 252.1 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]: 31818, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME[ms]: 27283, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 49, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 35, TOOLS_QUANTIFIERELIM_APPLICATIONS: 248, TOOLS_QUANTIFIERELIM_TIME[ms]: 27318, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27256, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 205, DOMAIN_JOIN_APPLICATIONS: 66, DOMAIN_JOIN_TIME[ms]: 4081, DOMAIN_ALPHA_APPLICATIONS: 205, DOMAIN_ALPHA_TIME[ms]: 227, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 475, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 475, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31349, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31348, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 409, DAG_COMPRESSION_RETAINED_NODES: 222 - UnprovableResult [Line: 44]: 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 602#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...