java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:10:32,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:10:32,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:10:32,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:10:32,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:10:32,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:10:32,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:10:32,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:10:32,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:10:32,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:10:32,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:10:32,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:10:32,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:10:32,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:10:32,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:10:32,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:10:32,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:10:32,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:10:32,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:10:32,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:10:32,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:10:32,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:10:32,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:10:32,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:10:32,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:10:32,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:10:32,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:10:32,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:10:32,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:10:32,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:10:32,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:10:32,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:10:32,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:10:32,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:10:32,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:10:32,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:10:32,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:10:32,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:10:32,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:10:32,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:10:32,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:10:32,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 06:10:32,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:10:32,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:10:32,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:10:32,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:10:32,941 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:10:32,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:10:32,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:10:32,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:10:32,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:10:32,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:10:32,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:10:32,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:10:32,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:10:32,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:10:32,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:10:32,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:10:32,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:10:32,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:10:32,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:10:32,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:10:32,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:10:32,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:10:32,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:10:32,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:10:32,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:10:32,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:10:32,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:10:32,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:10:32,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:10:33,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:10:33,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:10:33,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:10:33,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:10:33,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:10:33,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-09-17 06:10:33,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e3ffbfe/6ef912bfacd34885b4533ad0b4fae712/FLAG3940f7276 [2019-09-17 06:10:33,618 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:10:33,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-09-17 06:10:33,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e3ffbfe/6ef912bfacd34885b4533ad0b4fae712/FLAG3940f7276 [2019-09-17 06:10:33,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e3ffbfe/6ef912bfacd34885b4533ad0b4fae712 [2019-09-17 06:10:33,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:10:33,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:10:33,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:10:33,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:10:33,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:10:33,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:10:33" (1/1) ... [2019-09-17 06:10:33,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e757327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:33, skipping insertion in model container [2019-09-17 06:10:33,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:10:33" (1/1) ... [2019-09-17 06:10:33,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:10:34,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:10:34,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:10:34,514 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:10:34,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:10:34,660 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:10:34,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34 WrapperNode [2019-09-17 06:10:34,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:10:34,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:10:34,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:10:34,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:10:34,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... [2019-09-17 06:10:34,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:10:34,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:10:34,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:10:34,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:10:34,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:10:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:10:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:10:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:10:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:10:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:10:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:10:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:10:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:10:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:10:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:10:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:10:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:10:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:10:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:10:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:10:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:10:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:10:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:10:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:10:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:10:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:10:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:10:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:10:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:10:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:10:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:10:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:10:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:10:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:10:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:10:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:10:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:10:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:10:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:10:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:10:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:10:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:10:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:10:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:10:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:10:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:10:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:10:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:10:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:10:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:10:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:10:34,842 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:10:34,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:10:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:10:36,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:10:36,465 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:10:36,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:10:36 BoogieIcfgContainer [2019-09-17 06:10:36,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:10:36,468 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:10:36,468 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:10:36,469 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:10:36,470 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:10:36" (1/1) ... [2019-09-17 06:10:36,470 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:10:36,497 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:10:36,497 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:10:36,507 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:10:36,516 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:10:36,518 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:10:45,673 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:10:47,555 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:10:47,709 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:47,842 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:47,976 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:47,995 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 06:10:48,046 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 06:10:48,063 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 06:10:48,224 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 06:10:48,386 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 06:10:48,859 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:49,190 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:49,476 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:49,853 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:50,105 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:50,315 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:50,742 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:51,079 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:51,918 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:10:52,529 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:10:53,356 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 551 [2019-09-17 06:10:53,826 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:10:54,327 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:10:54,564 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:10:55,083 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:55,578 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:56,048 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:56,486 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:57,252 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-09-17 06:10:57,519 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:10:57,638 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:10:57,768 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:10:57,885 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:10:58,240 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:58,522 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:59,974 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:00,769 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:01,542 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 551 [2019-09-17 06:11:01,878 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:11:02,098 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:11:02,271 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:11:02,695 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:03,111 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:03,545 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:03,958 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:04,637 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-09-17 06:11:05,027 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:11:05,313 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:11:05,924 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:06,464 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:06,855 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 551 [2019-09-17 06:11:07,151 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:11:07,371 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:11:07,554 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-17 06:11:07,989 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:08,411 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:08,837 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:09,258 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:09,955 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-09-17 06:11:10,016 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 39 for LOIs [2019-09-17 06:11:10,109 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-17 06:11:10,119 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-17 06:11:10,123 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-17 06:11:10,127 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:11:10,130 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:11:10,132 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 552#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:11:10,144 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:11:10,144 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:11:10,146 INFO L168 Benchmark]: Toolchain (without parser) took 36195.64 ms. Allocated memory was 132.1 MB in the beginning and 1.0 GB in the end (delta: 888.1 MB). Free memory was 86.8 MB in the beginning and 786.6 MB in the end (delta: -699.8 MB). Peak memory consumption was 188.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,147 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.13 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 163.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,148 INFO L168 Benchmark]: Boogie Preprocessor took 84.70 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,149 INFO L168 Benchmark]: RCFGBuilder took 1720.98 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.8 MB in the beginning and 141.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,150 INFO L168 Benchmark]: Sifa took 33676.00 ms. Allocated memory was 221.8 MB in the beginning and 1.0 GB in the end (delta: 798.5 MB). Free memory was 141.6 MB in the beginning and 786.6 MB in the end (delta: -645.0 MB). Peak memory consumption was 153.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,154 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 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.13 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 163.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.70 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1720.98 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.8 MB in the beginning and 141.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Sifa took 33676.00 ms. Allocated memory was 221.8 MB in the beginning and 1.0 GB in the end (delta: 798.5 MB). Free memory was 141.6 MB in the beginning and 786.6 MB in the end (delta: -645.0 MB). Peak memory consumption was 153.5 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]: 33635, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 278, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 11284, TOOLS_POST_CALL_APPLICATIONS: 83, TOOLS_POST_CALL_TIME[ms]: 372, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 226, TOOLS_QUANTIFIERELIM_APPLICATIONS: 337, TOOLS_QUANTIFIERELIM_TIME[ms]: 11728, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11104, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 19103, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2114, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME[ms]: 314, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17239, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17238, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11560, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11559, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 434, DAG_COMPRESSION_RETAINED_NODES: 234 - 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 552#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...