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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:34:45,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:34:45,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:34:45,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:34:45,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:34:45,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:34:45,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:34:45,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:34:45,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:34:45,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:34:45,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:34:45,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:34:45,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:34:45,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:34:45,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:34:45,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:34:45,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:34:45,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:34:45,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:34:45,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:34:45,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:34:45,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:34:45,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:34:45,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:34:45,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:34:45,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:34:45,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:34:45,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:34:45,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:34:45,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:34:45,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:34:45,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:34:45,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:34:45,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:34:45,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:34:45,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:34:45,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:34:45,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:34:45,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:34:45,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:34:45,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:34:45,415 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 [2019-09-18 22:34:45,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:34:45,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:34:45,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:34:45,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:34:45,433 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:34:45,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:34:45,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:34:45,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:34:45,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:34:45,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:34:45,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:34:45,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:34:45,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:34:45,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:34:45,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:34:45,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:34:45,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:34:45,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:34:45,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:34:45,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:34:45,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:34:45,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:34:45,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:34:45,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:34:45,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:34:45,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:34:45,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:34:45,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:34:45,438 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 22:34:45,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:34:45,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:34:45,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:34:45,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:34:45,487 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:34:45,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-09-18 22:34:45,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c09ca653/4cd35c32d0024a35a14dcdfce9443fcf/FLAG9a7f65d01 [2019-09-18 22:34:46,025 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:34:46,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-09-18 22:34:46,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c09ca653/4cd35c32d0024a35a14dcdfce9443fcf/FLAG9a7f65d01 [2019-09-18 22:34:46,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c09ca653/4cd35c32d0024a35a14dcdfce9443fcf [2019-09-18 22:34:46,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:34:46,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:34:46,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:34:46,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:34:46,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:34:46,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:34:46" (1/1) ... [2019-09-18 22:34:46,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:46, skipping insertion in model container [2019-09-18 22:34:46,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:34:46" (1/1) ... [2019-09-18 22:34:46,397 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:34:46,465 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:34:46,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:34:46,930 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:34:47,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:34:47,051 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:34:47,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47 WrapperNode [2019-09-18 22:34:47,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:34:47,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:34:47,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:34:47,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:34:47,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (1/1) ... [2019-09-18 22:34:47,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:34:47,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:34:47,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:34:47,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:34:47,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:34:47" (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 [2019-09-18 22:34:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:34:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:34:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:34:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:34:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:34:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:34:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:34:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:34:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:34:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:34:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:34:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:34:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:34:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:34:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:34:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:34:48,822 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:34:48,822 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:34:48,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:34:48 BoogieIcfgContainer [2019-09-18 22:34:48,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:34:48,825 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:34:48,825 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:34:48,825 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:34:48,827 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:34:48" (1/1) ... [2019-09-18 22:34:48,827 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:34:48,864 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:34:48,864 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:34:48,875 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:34:48,889 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:34:48,891 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:35:00,566 WARN L191 SmtUtils]: Spent 11.55 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:35:11,770 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:35:33,685 WARN L191 SmtUtils]: Spent 13.34 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:35:35,348 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:35:39,139 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 22:35:39,147 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 22:35:40,884 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:42,638 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:44,385 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:46,137 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:47,927 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:35:49,684 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:35:51,424 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:53,146 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:35:53,152 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 22:35:54,919 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:35:56,732 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:35:56,739 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 22:36:00,316 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-18 22:36:02,034 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-18 22:36:12,857 WARN L191 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 22:36:18,163 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 22:36:28,841 WARN L191 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 451 DAG size of output: 450 [2019-09-18 22:36:34,105 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 450 [2019-09-18 22:36:44,192 WARN L191 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-18 22:36:49,236 WARN L191 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 22:37:07,186 WARN L191 SmtUtils]: Spent 17.93 s on a formula simplification. DAG size of input: 467 DAG size of output: 464 [2019-09-18 22:37:14,852 WARN L191 SmtUtils]: Spent 7.66 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:37:15,862 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 1 [2019-09-18 22:37:29,376 WARN L191 SmtUtils]: Spent 13.44 s on a formula simplification. DAG size of input: 435 DAG size of output: 433 [2019-09-18 22:37:36,057 WARN L191 SmtUtils]: Spent 6.68 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:37:49,585 WARN L191 SmtUtils]: Spent 13.52 s on a formula simplification. DAG size of input: 438 DAG size of output: 435 [2019-09-18 22:37:56,308 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-18 22:38:09,828 WARN L191 SmtUtils]: Spent 13.51 s on a formula simplification. DAG size of input: 454 DAG size of output: 439 [2019-09-18 22:38:16,554 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-18 22:38:23,408 WARN L191 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:38:30,158 WARN L191 SmtUtils]: Spent 6.75 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:38:37,037 WARN L191 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 443 DAG size of output: 433 [2019-09-18 22:38:40,191 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-18 22:39:01,606 WARN L191 SmtUtils]: Spent 21.35 s on a formula simplification. DAG size of input: 452 DAG size of output: 440 [2019-09-18 22:39:08,356 WARN L191 SmtUtils]: Spent 6.75 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 22:39:15,295 WARN L191 SmtUtils]: Spent 6.94 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 22:39:22,422 WARN L191 SmtUtils]: Spent 7.13 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 22:39:36,381 WARN L191 SmtUtils]: Spent 13.95 s on a formula simplification. DAG size of input: 450 DAG size of output: 439 [2019-09-18 22:39:43,253 WARN L191 SmtUtils]: Spent 6.87 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-18 22:39:58,110 WARN L191 SmtUtils]: Spent 14.69 s on a formula simplification. DAG size of input: 456 DAG size of output: 445 [2019-09-18 22:40:04,593 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 22:40:19,136 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 509 DAG size of output: 473 [2019-09-18 22:40:23,301 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 473 [2019-09-18 22:40:47,816 WARN L191 SmtUtils]: Spent 24.51 s on a formula simplification. DAG size of input: 505 DAG size of output: 483 [2019-09-18 22:40:54,489 WARN L191 SmtUtils]: Spent 6.67 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 22:41:25,010 WARN L191 SmtUtils]: Spent 30.52 s on a formula simplification. DAG size of input: 537 DAG size of output: 483 [2019-09-18 22:41:31,672 WARN L191 SmtUtils]: Spent 6.66 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 22:41:49,156 WARN L191 SmtUtils]: Spent 17.46 s on a formula simplification. DAG size of input: 489 DAG size of output: 485 [2019-09-18 22:41:50,076 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-18 22:42:01,224 WARN L191 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-18 22:42:17,011 WARN L191 SmtUtils]: Spent 15.78 s on a formula simplification. DAG size of input: 467 DAG size of output: 464 [2019-09-18 22:42:23,965 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:42:31,160 WARN L191 SmtUtils]: Spent 7.14 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-18 22:42:37,632 WARN L191 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 22:42:50,292 WARN L191 SmtUtils]: Spent 12.64 s on a formula simplification. DAG size of input: 528 DAG size of output: 471 [2019-09-18 22:42:52,126 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-18 22:43:12,271 WARN L191 SmtUtils]: Spent 20.14 s on a formula simplification. DAG size of input: 498 DAG size of output: 479 [2019-09-18 22:43:17,828 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 22:43:51,333 WARN L191 SmtUtils]: Spent 33.50 s on a formula simplification. DAG size of input: 541 DAG size of output: 479 [2019-09-18 22:43:56,853 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-18 22:44:13,347 WARN L191 SmtUtils]: Spent 16.45 s on a formula simplification. DAG size of input: 488 DAG size of output: 485 [2019-09-18 22:44:13,456 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 22:44:14,500 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 22:44:15,062 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 22:44:15,384 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-18 22:44:15,387 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-18 22:44:15,432 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 22:44:15,466 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:44:15,467 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:44:15,469 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 512#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-18 22:44:15,488 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:44:15,488 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:44:15,490 INFO L168 Benchmark]: Toolchain (without parser) took 569109.26 ms. Allocated memory was 131.6 MB in the beginning and 144.2 MB in the end (delta: 12.6 MB). Free memory was 86.7 MB in the beginning and 88.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-18 22:44:15,492 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:44:15,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.11 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 164.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-18 22:44:15,501 INFO L168 Benchmark]: Boogie Preprocessor took 83.28 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-18 22:44:15,504 INFO L168 Benchmark]: RCFGBuilder took 1687.76 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.8 MB in the beginning and 151.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-18 22:44:15,505 INFO L168 Benchmark]: Sifa took 566663.44 ms. Allocated memory was 220.2 MB in the beginning and 144.2 MB in the end (delta: -76.0 MB). Free memory was 151.1 MB in the beginning and 88.7 MB in the end (delta: 62.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 22:44:15,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.11 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 164.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.28 ms. Allocated memory is still 198.7 MB. Free memory was 164.4 MB in the beginning and 159.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1687.76 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.8 MB in the beginning and 151.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * Sifa took 566663.44 ms. Allocated memory was 220.2 MB in the beginning and 144.2 MB in the end (delta: -76.0 MB). Free memory was 151.1 MB in the beginning and 88.7 MB in the end (delta: 62.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 566605, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 243, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 187, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 289, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 27596, TOOLS_QUANTIFIERELIM_APPLICATIONS: 281, TOOLS_QUANTIFIERELIM_TIME[ms]: 27935, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27366, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 253, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 479341, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 34427, DOMAIN_ISSUBSETEQ_APPLICATIONS: 80, DOMAIN_ISSUBSETEQ_TIME[ms]: 552, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 365, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 460567, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 460566, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 255407, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 380, DAG_COMPRESSION_RETAINED_NODES: 185 - UnprovableResult [Line: 510]: 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 512#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...