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_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:49:00,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:49:00,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:49:00,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:49:00,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:49:00,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:49:00,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:49:00,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:49:00,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:49:00,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:49:00,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:49:00,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:49:00,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:49:00,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:49:00,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:49:00,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:49:00,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:49:00,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:49:00,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:49:00,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:49:00,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:49:00,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:49:00,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:49:00,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:49:00,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:49:00,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:49:00,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:49:00,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:49:00,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:49:00,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:49:00,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:49:00,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:49:00,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:49:00,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:49:00,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:49:00,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:49:00,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:49:00,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:49:00,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:49:00,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:49:00,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:49:00,109 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 [2019-10-04 12:49:00,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:49:00,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:49:00,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:49:00,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:49:00,140 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:49:00,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:49:00,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:49:00,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:49:00,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:49:00,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:49:00,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:49:00,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:49:00,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:49:00,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:49:00,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:49:00,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:49:00,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:49:00,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:49:00,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:49:00,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:49:00,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:49:00,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:49:00,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:49:00,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:49:00,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:49:00,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:49:00,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:49:00,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:49:00,145 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 [2019-10-04 12:49:00,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:49:00,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:49:00,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:49:00,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:49:00,218 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:49:00,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-04 12:49:00,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d575885c4/4ed1e9e864c641709641662e59722301/FLAG033db9419 [2019-10-04 12:49:00,808 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:49:00,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-04 12:49:00,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d575885c4/4ed1e9e864c641709641662e59722301/FLAG033db9419 [2019-10-04 12:49:01,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d575885c4/4ed1e9e864c641709641662e59722301 [2019-10-04 12:49:01,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:49:01,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:49:01,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:49:01,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:49:01,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:49:01,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f0203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01, skipping insertion in model container [2019-10-04 12:49:01,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,077 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:49:01,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:49:01,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:49:01,576 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:49:01,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:49:01,774 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:49:01,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01 WrapperNode [2019-10-04 12:49:01,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:49:01,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:49:01,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:49:01,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:49:01,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (1/1) ... [2019-10-04 12:49:01,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:49:01,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:49:01,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:49:01,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:49:01,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:49:01" (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 [2019-10-04 12:49:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:49:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:49:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:49:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:49:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:49:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:49:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:49:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:49:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:49:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:49:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:49:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:49:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:49:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:49:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:49:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:49:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:49:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:49:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:49:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:49:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:49:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:49:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:49:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:49:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:49:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:49:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-04 12:49:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-04 12:49:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:49:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:49:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:49:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:49:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:49:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:49:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:49:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:49:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:49:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:49:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:49:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:49:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:49:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:49:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:49:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:49:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:49:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:49:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:49:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-04 12:49:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:49:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:49:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:49:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-04 12:49:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:49:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:49:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:49:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-04 12:49:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:49:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-04 12:49:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:49:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:49:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:49:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:49:03,692 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:49:03,692 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:49:03,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:49:03 BoogieIcfgContainer [2019-10-04 12:49:03,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:49:03,695 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:49:03,695 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:49:03,695 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:49:03,696 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:49:03" (1/1) ... [2019-10-04 12:49:03,697 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 [2019-10-04 12:49:03,728 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:49:03,731 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:49:03,748 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:49:03,762 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:49:03,764 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:49:14,613 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:49:16,504 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:49:16,648 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:49:16,805 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:49:16,935 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:49:17,220 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:49:17,255 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:49:17,328 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:49:17,336 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:49:17,608 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:49:17,770 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:49:18,317 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:49:18,836 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:49:19,232 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:49:19,614 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:49:19,942 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:49:20,527 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2019-10-04 12:49:21,257 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-04 12:49:22,863 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-04 12:49:26,416 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-04 12:49:26,660 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 174 [2019-10-04 12:49:43,159 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:49:43,161 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-04 12:49:43,375 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-04 12:49:43,379 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-04 12:49:43,439 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:49:43,439 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:49:43,445 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2252#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)) [2019-10-04 12:49:43,458 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:49:43,458 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:49:43,460 INFO L168 Benchmark]: Toolchain (without parser) took 42399.36 ms. Allocated memory was 131.6 MB in the beginning and 1.1 GB in the end (delta: 988.8 MB). Free memory was 87.1 MB in the beginning and 271.5 MB in the end (delta: -184.4 MB). Peak memory consumption was 804.4 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:43,461 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:49:43,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.19 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 162.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:43,463 INFO L168 Benchmark]: Boogie Preprocessor took 87.84 ms. Allocated memory is still 198.7 MB. Free memory was 162.7 MB in the beginning and 158.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:43,464 INFO L168 Benchmark]: RCFGBuilder took 1830.32 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.9 MB in the beginning and 141.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:43,465 INFO L168 Benchmark]: Sifa took 39764.01 ms. Allocated memory was 220.2 MB in the beginning and 1.1 GB in the end (delta: 900.2 MB). Free memory was 141.9 MB in the beginning and 271.5 MB in the end (delta: -129.6 MB). Peak memory consumption was 770.6 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:43,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.19 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 162.7 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.84 ms. Allocated memory is still 198.7 MB. Free memory was 162.7 MB in the beginning and 158.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1830.32 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.9 MB in the beginning and 141.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Sifa took 39764.01 ms. Allocated memory was 220.2 MB in the beginning and 1.1 GB in the end (delta: 900.2 MB). Free memory was 141.9 MB in the beginning and 271.5 MB in the end (delta: -129.6 MB). Peak memory consumption was 770.6 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]: 39717, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 660, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 459, TOOLS_POST_TIME[ms]: 13057, TOOLS_POST_CALL_APPLICATIONS: 156, TOOLS_POST_CALL_TIME[ms]: 405, TOOLS_POST_RETURN_APPLICATIONS: 149, TOOLS_POST_RETURN_TIME[ms]: 231, TOOLS_QUANTIFIERELIM_APPLICATIONS: 763, TOOLS_QUANTIFIERELIM_TIME[ms]: 13434, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12797, FLUID_QUERY_TIME[ms]: 29, FLUID_QUERIES: 689, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 207, DOMAIN_JOIN_TIME[ms]: 22952, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 2327, DOMAIN_ISSUBSETEQ_APPLICATIONS: 29, DOMAIN_ISSUBSETEQ_TIME[ms]: 73, DOMAIN_ISBOTTOM_APPLICATIONS: 125, DOMAIN_ISBOTTOM_TIME[ms]: 417, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 20291, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 20290, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 29, CALL_SUMMARIZER_APPLICATIONS: 149, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13622, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13620, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 597, DAG_COMPRESSION_RETAINED_NODES: 309 - UnprovableResult [Line: 952]: 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 2252#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= |#t~string34.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|) (<= 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...