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_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:51:19,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:51:19,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:51:19,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:51:19,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:51:19,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:51:19,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:51:19,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:51:19,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:51:19,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:51:19,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:51:19,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:51:19,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:51:19,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:51:19,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:51:19,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:51:19,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:51:19,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:51:19,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:51:19,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:51:19,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:51:19,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:51:19,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:51:19,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:51:19,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:51:19,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:51:19,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:51:19,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:51:19,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:51:19,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:51:19,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:51:19,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:51:19,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:51:19,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:51:19,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:51:19,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:51:19,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:51:19,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:51:19,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:51:19,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:51:19,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:51:19,868 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 02:51:19,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:51:19,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:51:19,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:51:19,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:51:19,884 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:51:19,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:51:19,884 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:51:19,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:51:19,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:51:19,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:51:19,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:51:19,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:51:19,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:51:19,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:51:19,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:51:19,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:51:19,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:51:19,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:51:19,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:51:19,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:51:19,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:51:19,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:51:19,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:51:19,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:51:19,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:51:19,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:51:19,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:51:19,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:51:19,889 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 02:51:20,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:51:20,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:51:20,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:51:20,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:51:20,192 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:51:20,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-10-14 02:51:20,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12cedf73/1bad44ebc44348edbcff2455e9e5be24/FLAG88d305c61 [2019-10-14 02:51:20,775 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:51:20,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-10-14 02:51:20,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12cedf73/1bad44ebc44348edbcff2455e9e5be24/FLAG88d305c61 [2019-10-14 02:51:21,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b12cedf73/1bad44ebc44348edbcff2455e9e5be24 [2019-10-14 02:51:21,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:51:21,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:51:21,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:21,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:51:21,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:51:21,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21, skipping insertion in model container [2019-10-14 02:51:21,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:51:21,191 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:51:21,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:21,639 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:51:21,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:21,784 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:51:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21 WrapperNode [2019-10-14 02:51:21,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:21,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:51:21,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:51:21,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:51:21,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (1/1) ... [2019-10-14 02:51:21,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:51:21,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:51:21,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:51:21,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:51:21,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:21" (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 02:51:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:51:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:51:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:51:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:51:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:51:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:51:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:51:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 02:51:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:51:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:51:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 02:51:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:51:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 02:51:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 02:51:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:51:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:51:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:51:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:51:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:51:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:51:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:51:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:51:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:51:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:51:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:51:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:51:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:51:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:51:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:51:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:51:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:51:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 02:51:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:51:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:51:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:51:23,692 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:51:23,693 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:51:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:23 BoogieIcfgContainer [2019-10-14 02:51:23,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:51:23,697 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:51:23,697 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:51:23,698 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:51:23,700 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:23" (1/1) ... [2019-10-14 02:51:23,701 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 02:51:23,737 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:51:23,742 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:51:23,763 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:51:23,776 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:51:23,778 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:51:34,019 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:51:35,778 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:51:35,917 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:36,049 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:36,183 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:36,459 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:51:36,485 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:51:36,542 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:51:36,548 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:51:36,801 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:51:36,998 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:51:37,578 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:51:38,079 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:51:38,469 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:51:39,004 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 176 [2019-10-14 02:51:39,631 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 02:51:43,360 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-14 02:51:43,937 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-14 02:51:44,166 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-10-14 02:51:44,310 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2019-10-14 02:51:45,846 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:51:45,849 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-10-14 02:51:46,086 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 130 for LOIs [2019-10-14 02:51:46,097 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 141 for LOIs [2019-10-14 02:51:46,170 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:51:46,171 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:51:46,173 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 887#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= |#t~string22.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 2 ~waterLevel~0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= |#t~string43.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)) [2019-10-14 02:51:46,189 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:51:46,189 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:51:46,191 INFO L168 Benchmark]: Toolchain (without parser) took 25066.87 ms. Allocated memory was 136.8 MB in the beginning and 749.7 MB in the end (delta: 612.9 MB). Free memory was 100.3 MB in the beginning and 150.6 MB in the end (delta: -50.4 MB). Peak memory consumption was 562.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,193 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.40 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 165.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,201 INFO L168 Benchmark]: Boogie Preprocessor took 95.75 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,203 INFO L168 Benchmark]: RCFGBuilder took 1815.56 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.7 MB in the beginning and 142.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,204 INFO L168 Benchmark]: Sifa took 22492.28 ms. Allocated memory was 230.2 MB in the beginning and 749.7 MB in the end (delta: 519.6 MB). Free memory was 142.8 MB in the beginning and 150.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 511.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:46,216 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 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.40 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 165.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.75 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1815.56 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.7 MB in the beginning and 142.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Sifa took 22492.28 ms. Allocated memory was 230.2 MB in the beginning and 749.7 MB in the end (delta: 519.6 MB). Free memory was 142.8 MB in the beginning and 150.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 511.7 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]: 22437, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 277, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 183, TOOLS_POST_TIME[ms]: 12142, TOOLS_POST_CALL_APPLICATIONS: 79, TOOLS_POST_CALL_TIME[ms]: 224, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 333, TOOLS_QUANTIFIERELIM_TIME[ms]: 12355, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12035, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 283, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 9000, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 573, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME[ms]: 169, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6209, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6208, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12798, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12797, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 458, DAG_COMPRESSION_RETAINED_NODES: 233 - UnprovableResult [Line: 957]: 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 887#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= |#t~string22.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string47.offset|) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= |#t~string47.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 2 ~waterLevel~0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= |#t~string43.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...