java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:33:16,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:33:16,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:33:16,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:33:16,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:33:16,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:33:16,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:33:16,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:33:16,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:33:16,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:33:16,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:33:16,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:33:16,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:33:16,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:33:16,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:33:16,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:33:16,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:33:16,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:33:16,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:33:16,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:33:16,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:33:16,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:33:16,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:33:16,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:33:16,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:33:16,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:33:16,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:33:16,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:33:16,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:33:16,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:33:16,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:33:16,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:33:16,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:33:16,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:33:16,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:33:16,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:33:16,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:33:16,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:33:16,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:33:16,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:33:16,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:33:16,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:33:16,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:33:16,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:33:16,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:33:16,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:33:16,152 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:33:16,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:33:16,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:33:16,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:33:16,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:33:16,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:33:16,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:33:16,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:33:16,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:33:16,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:33:16,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:33:16,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:33:16,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:33:16,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:33:16,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:33:16,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:33:16,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:33:16,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:33:16,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:33:16,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:33:16,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:33:16,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:33:16,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:33:16,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:33:16,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:33:16,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:33:16,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:33:16,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:33:16,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:33:16,245 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:33:16,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-09-21 08:33:16,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b50d9773/3a2b0ec20ec8438a88a7fc8f4aa3130b/FLAG557007945 [2019-09-21 08:33:16,855 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:33:16,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-09-21 08:33:16,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b50d9773/3a2b0ec20ec8438a88a7fc8f4aa3130b/FLAG557007945 [2019-09-21 08:33:17,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b50d9773/3a2b0ec20ec8438a88a7fc8f4aa3130b [2019-09-21 08:33:17,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:33:17,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:33:17,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:33:17,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:33:17,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:33:17,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:17,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17, skipping insertion in model container [2019-09-21 08:33:17,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:17,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:33:17,242 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:33:17,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:33:17,778 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:33:17,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:33:17,942 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:33:17,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17 WrapperNode [2019-09-21 08:33:17,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:33:17,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:33:17,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:33:17,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:33:17,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:17,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:17,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:17,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:18,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:18,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:18,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... [2019-09-21 08:33:18,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:33:18,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:33:18,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:33:18,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:33:18,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:33:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:33:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:33:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:33:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:33:18,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:33:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:33:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:33:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:33:18,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:33:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:33:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:33:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:33:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:33:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:33:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:33:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:33:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:33:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:33:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:33:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:33:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:33:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:33:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:33:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:33:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:33:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:33:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:33:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:33:18,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:33:18,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:33:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:33:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:33:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:33:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:33:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:33:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:33:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:33:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:33:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:33:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-21 08:33:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:33:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:33:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:33:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:33:19,700 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:33:19,701 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:33:19,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:19 BoogieIcfgContainer [2019-09-21 08:33:19,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:33:19,704 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:33:19,704 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:33:19,704 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:33:19,705 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:19" (1/1) ... [2019-09-21 08:33:19,706 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:33:19,728 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:33:19,728 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:33:19,738 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:33:19,747 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:33:19,749 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:33:30,695 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:33:32,251 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:33:32,413 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:32,541 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:32,705 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:32,720 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:33:32,772 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:33:32,789 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:33:33,517 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:33:33,890 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:33:34,156 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:33:34,497 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:33:35,104 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:33:35,556 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:33:35,925 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:33:36,187 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:33:36,538 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:33:36,902 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:33:37,222 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:33:37,347 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:33:37,703 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:37,927 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:38,135 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:38,315 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:38,625 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:33:38,960 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:33:39,282 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:33:39,533 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:33:39,875 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:33:40,170 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:33:40,491 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-21 08:33:40,601 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:33:40,765 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-21 08:33:41,040 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:41,208 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:41,381 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:41,569 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:41,741 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:41,905 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:42,079 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:42,281 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:42,501 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:42,671 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:42,861 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:43,031 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:43,320 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:43,558 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:43,817 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:44,048 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:44,706 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:45,304 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-21 08:33:45,798 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:33:46,028 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:33:46,337 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:46,632 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:46,916 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:33:47,100 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:33:47,295 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:33:47,481 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2019-09-21 08:33:47,649 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:33:47,828 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-21 08:33:48,088 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2019-09-21 08:33:48,701 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:33:48,768 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:33:48,812 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:33:48,825 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-21 08:33:48,830 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:33:48,832 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:33:48,832 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:33:48,834 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 570#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-21 08:33:48,848 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:33:48,848 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:33:48,855 INFO L168 Benchmark]: Toolchain (without parser) took 31697.08 ms. Allocated memory was 139.5 MB in the beginning and 934.3 MB in the end (delta: 794.8 MB). Free memory was 84.4 MB in the beginning and 141.1 MB in the end (delta: -56.7 MB). Peak memory consumption was 738.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,856 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.56 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 84.2 MB in the beginning and 163.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,864 INFO L168 Benchmark]: Boogie Preprocessor took 110.64 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,867 INFO L168 Benchmark]: RCFGBuilder took 1647.95 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 159.5 MB in the beginning and 140.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,868 INFO L168 Benchmark]: Sifa took 29144.59 ms. Allocated memory was 222.8 MB in the beginning and 934.3 MB in the end (delta: 711.5 MB). Free memory was 140.1 MB in the beginning and 141.1 MB in the end (delta: -998.7 kB). Peak memory consumption was 710.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:48,875 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.56 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 84.2 MB in the beginning and 163.8 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.64 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1647.95 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 159.5 MB in the beginning and 140.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Sifa took 29144.59 ms. Allocated memory was 222.8 MB in the beginning and 934.3 MB in the end (delta: 711.5 MB). Free memory was 140.1 MB in the beginning and 141.1 MB in the end (delta: -998.7 kB). Peak memory consumption was 710.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 29106, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 262, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 176, TOOLS_POST_TIME[ms]: 12769, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 68, TOOLS_POST_RETURN_TIME[ms]: 147, TOOLS_QUANTIFIERELIM_APPLICATIONS: 321, TOOLS_QUANTIFIERELIM_TIME[ms]: 13049, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12598, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 267, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 95, DOMAIN_JOIN_TIME[ms]: 15160, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 274, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 289, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7390, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7390, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 68, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13094, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13093, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 755, DAG_COMPRESSION_RETAINED_NODES: 259 - UnprovableResult [Line: 858]: 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 570#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...