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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:15:02,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:15:02,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:15:03,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:15:03,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:15:03,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:15:03,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:15:03,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:15:03,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:15:03,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:15:03,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:15:03,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:15:03,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:15:03,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:15:03,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:15:03,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:15:03,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:15:03,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:15:03,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:15:03,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:15:03,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:15:03,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:15:03,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:15:03,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:15:03,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:15:03,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:15:03,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:15:03,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:15:03,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:15:03,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:15:03,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:15:03,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:15:03,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:15:03,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:15:03,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:15:03,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:15:03,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:15:03,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:15:03,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:15:03,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:15:03,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:15:03,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 10:15:03,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:15:03,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:15:03,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:15:03,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:15:03,069 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:15:03,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:15:03,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:15:03,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:15:03,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:15:03,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:15:03,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:15:03,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:15:03,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:15:03,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:15:03,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:15:03,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:15:03,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:15:03,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:15:03,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:15:03,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:15:03,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:15:03,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:15:03,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:15:03,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:15:03,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:15:03,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:15:03,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:15:03,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:15:03,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 10:15:03,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:15:03,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:15:03,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:15:03,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:15:03,132 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:15:03,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-09-17 10:15:03,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09304eda7/c70d2981c16944b78ef2eaebc0b916b3/FLAGb5bfa5c6c [2019-09-17 10:15:03,715 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:15:03,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-09-17 10:15:03,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09304eda7/c70d2981c16944b78ef2eaebc0b916b3/FLAGb5bfa5c6c [2019-09-17 10:15:04,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09304eda7/c70d2981c16944b78ef2eaebc0b916b3 [2019-09-17 10:15:04,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:15:04,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:15:04,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:15:04,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:15:04,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:15:04,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04, skipping insertion in model container [2019-09-17 10:15:04,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,053 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:15:04,113 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:15:04,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:15:04,608 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:15:04,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:15:04,760 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:15:04,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04 WrapperNode [2019-09-17 10:15:04,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:15:04,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:15:04,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:15:04,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:15:04,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... [2019-09-17 10:15:04,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:15:04,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:15:04,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:15:04,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:15:04,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:15:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:15:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:15:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:15:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:15:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:15:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:15:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:15:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:15:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:15:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:15:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:15:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:15:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:15:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:15:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:15:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:15:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:15:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:15:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:15:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:15:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:15:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:15:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:15:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:15:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:15:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:15:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:15:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:15:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:15:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:15:06,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:15:06,484 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:15:06,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:15:06 BoogieIcfgContainer [2019-09-17 10:15:06,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:15:06,486 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:15:06,486 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:15:06,487 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:15:06,488 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:15:06" (1/1) ... [2019-09-17 10:15:06,489 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 10:15:06,520 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:15:06,520 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:15:06,533 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:15:06,545 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:15:06,546 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:15:29,908 WARN L191 SmtUtils]: Spent 14.38 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:15:31,697 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:15:35,578 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:15:35,845 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:15:35,856 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:15:35,904 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:15:35,908 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:15:36,246 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:15:37,314 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:15:37,958 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:38,294 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:15:39,220 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2019-09-17 10:15:39,582 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:39,906 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:15:40,873 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:15:41,200 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:42,128 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2019-09-17 10:15:42,455 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:42,786 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:43,088 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:15:44,043 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:15:44,362 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:45,279 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2019-09-17 10:15:45,596 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:45,913 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:46,235 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:15:46,522 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:15:46,817 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:15:47,767 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:15:48,097 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:49,067 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2019-09-17 10:15:49,374 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:50,196 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2019-09-17 10:15:50,513 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:15:51,435 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:15:51,794 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:52,709 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2019-09-17 10:15:53,021 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:15:53,831 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2019-09-17 10:15:54,762 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:15:55,658 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:15:56,568 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:15:56,575 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:15:56,576 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-17 10:15:57,218 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-17 10:15:57,425 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:15:57,426 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 99 for LOIs [2019-09-17 10:15:57,431 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-17 10:15:57,653 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:15:57,653 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:15:57,653 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:15:57,655 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 445#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-09-17 10:15:57,667 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:15:57,667 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:15:57,669 INFO L168 Benchmark]: Toolchain (without parser) took 53629.72 ms. Allocated memory was 139.5 MB in the beginning and 575.1 MB in the end (delta: 435.7 MB). Free memory was 84.7 MB in the beginning and 535.5 MB in the end (delta: -450.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:15:57,670 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:15:57,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.86 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 164.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:15:57,671 INFO L168 Benchmark]: Boogie Preprocessor took 81.51 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:15:57,672 INFO L168 Benchmark]: RCFGBuilder took 1641.51 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.3 MB in the beginning and 143.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:15:57,673 INFO L168 Benchmark]: Sifa took 51180.86 ms. Allocated memory was 223.3 MB in the beginning and 575.1 MB in the end (delta: 351.8 MB). Free memory was 141.8 MB in the beginning and 535.5 MB in the end (delta: -393.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:15:57,677 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 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.86 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 164.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.51 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1641.51 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.3 MB in the beginning and 143.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 51180.86 ms. Allocated memory was 223.3 MB in the beginning and 575.1 MB in the end (delta: 351.8 MB). Free memory was 141.8 MB in the beginning and 535.5 MB in the end (delta: -393.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 51136, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 292, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 197, TOOLS_POST_TIME[ms]: 29013, TOOLS_POST_CALL_APPLICATIONS: 82, TOOLS_POST_CALL_TIME[ms]: 153, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 67, TOOLS_QUANTIFIERELIM_APPLICATIONS: 353, TOOLS_QUANTIFIERELIM_TIME[ms]: 29126, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28932, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 300, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 87, DOMAIN_JOIN_TIME[ms]: 21554, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 154, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13184, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13183, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29610, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29609, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 424, DAG_COMPRESSION_RETAINED_NODES: 238 - 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 445#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...