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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:50:24,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:50:24,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:50:24,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:50:24,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:50:24,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:50:24,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:50:24,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:50:24,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:50:24,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:50:24,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:50:24,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:50:24,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:50:24,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:50:24,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:50:24,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:50:24,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:50:24,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:50:24,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:50:24,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:50:24,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:50:24,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:50:24,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:50:24,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:50:24,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:50:24,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:50:24,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:50:24,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:50:24,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:50:24,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:50:24,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:50:24,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:50:24,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:50:24,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:50:24,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:50:24,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:50:24,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:50:24,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:50:24,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:50:24,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:50:24,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:50:24,895 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 [2019-10-14 02:50:24,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:50:24,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:50:24,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:50:24,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:50:24,918 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:50:24,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:50:24,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:50:24,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:50:24,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:50:24,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:50:24,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:50:24,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:50:24,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:50:24,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:50:24,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:50:24,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:50:24,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:50:24,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:50:24,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:50:24,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:50:24,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:50:24,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:50:24,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:50:24,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:50:24,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:50:24,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:50:24,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:50:24,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:50:24,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:50:25,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:50:25,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:50:25,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:50:25,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:50:25,300 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:50:25,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-14 02:50:25,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e9b4a4/4b206dc140c449dabe0a5fee866e704c/FLAG529e87d3b [2019-10-14 02:50:25,898 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:50:25,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-14 02:50:25,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e9b4a4/4b206dc140c449dabe0a5fee866e704c/FLAG529e87d3b [2019-10-14 02:50:26,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e9b4a4/4b206dc140c449dabe0a5fee866e704c [2019-10-14 02:50:26,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:50:26,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:50:26,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:50:26,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:50:26,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:50:26,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c736b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26, skipping insertion in model container [2019-10-14 02:50:26,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:50:26,191 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:50:26,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:50:26,658 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:50:26,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:50:26,803 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:50:26,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26 WrapperNode [2019-10-14 02:50:26,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:50:26,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:50:26,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:50:26,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:50:26,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (1/1) ... [2019-10-14 02:50:26,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:50:26,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:50:26,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:50:26,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:50:26,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:50:26" (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 [2019-10-14 02:50:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:50:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:50:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:50:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:50:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:50:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:50:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:50:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:50:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:50:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:50:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:50:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:50:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:50:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 02:50:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 02:50:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 02:50:26,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 02:50:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 02:50:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:50:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:50:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:50:27,000 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:50:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:50:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:50:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:50:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:50:27,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:50:27,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:50:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:50:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:50:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:50:27,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:50:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:50:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:50:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:50:27,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:50:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:50:27,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:50:27,005 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:50:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:50:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:50:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:50:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 02:50:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 02:50:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:50:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:50:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:50:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:50:27,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 02:50:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:50:27,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:50:27,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:50:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 02:50:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:50:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:50:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:50:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:50:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:50:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:50:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:50:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:50:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:50:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:50:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:50:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:50:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:50:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:50:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:50:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:50:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:50:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:50:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:50:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:50:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:50:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:50:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:50:28,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:50:28,612 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:50:28,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:50:28 BoogieIcfgContainer [2019-10-14 02:50:28,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:50:28,615 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:50:28,615 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:50:28,615 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:50:28,616 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:50:28" (1/1) ... [2019-10-14 02:50:28,617 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:50:28,648 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:50:28,649 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:50:28,663 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:50:28,674 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:50:28,675 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:50:38,860 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-14 02:50:40,632 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:50:40,770 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:50:40,896 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:50:41,036 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:50:41,298 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:50:41,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-14 02:50:41,391 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-14 02:50:41,412 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-14 02:50:42,188 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-10-14 02:50:42,761 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2019-10-14 02:50:43,189 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2019-10-14 02:50:43,532 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-14 02:50:43,927 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-14 02:50:44,277 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-14 02:50:44,536 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-10-14 02:50:44,805 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-14 02:50:45,029 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-14 02:50:45,247 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 02:50:45,535 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2019-10-14 02:50:46,292 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:50:46,519 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:50:46,765 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2019-10-14 02:50:47,239 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2019-10-14 02:50:47,775 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2019-10-14 02:50:48,167 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2019-10-14 02:50:48,415 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-14 02:50:48,650 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-10-14 02:50:48,820 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-10-14 02:50:48,967 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-10-14 02:50:49,153 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 589 [2019-10-14 02:50:49,346 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-14 02:50:49,538 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-14 02:50:49,992 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-14 02:50:50,132 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-14 02:50:50,461 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:50:50,818 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:50:51,315 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:50:51,317 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-10-14 02:50:51,496 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-10-14 02:50:51,505 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-10-14 02:50:51,609 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:50:51,609 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:50:51,612 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 769#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (<= |#t~string14.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string16.offset|) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 0 |#t~string71.offset|) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= |#t~string16.offset| 0) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string22.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)) [2019-10-14 02:50:51,631 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:50:51,632 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:50:51,634 INFO L168 Benchmark]: Toolchain (without parser) took 25505.98 ms. Allocated memory was 137.9 MB in the beginning and 711.5 MB in the end (delta: 573.6 MB). Free memory was 101.1 MB in the beginning and 599.0 MB in the end (delta: -497.9 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:50:51,635 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 02:50:51,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.12 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 168.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:50:51,638 INFO L168 Benchmark]: Boogie Preprocessor took 101.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:50:51,639 INFO L168 Benchmark]: RCFGBuilder took 1702.90 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.8 MB in the beginning and 145.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:50:51,640 INFO L168 Benchmark]: Sifa took 23017.22 ms. Allocated memory was 233.3 MB in the beginning and 711.5 MB in the end (delta: 478.2 MB). Free memory was 145.8 MB in the beginning and 599.0 MB in the end (delta: -453.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:50:51,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.12 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 168.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.55 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1702.90 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.8 MB in the beginning and 145.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Sifa took 23017.22 ms. Allocated memory was 233.3 MB in the beginning and 711.5 MB in the end (delta: 478.2 MB). Free memory was 145.8 MB in the beginning and 599.0 MB in the end (delta: -453.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22964, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 213, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 145, TOOLS_POST_TIME[ms]: 12162, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 202, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 253, TOOLS_QUANTIFIERELIM_TIME[ms]: 12326, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12006, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 9070, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 220, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 697, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 325, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8408, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8407, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12814, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12813, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 424, DAG_COMPRESSION_RETAINED_NODES: 211 - UnprovableResult [Line: 617]: 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 769#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (<= |#t~string14.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string16.offset|) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 0 |#t~string71.offset|) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= |#t~string16.offset| 0) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string22.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...