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 [2019-09-20 15:50:12,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:50:12,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:50:12,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:50:12,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:50:12,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:50:12,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:50:12,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:50:12,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:50:12,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:50:12,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:50:12,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:50:12,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:50:12,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:50:12,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:50:12,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:50:12,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:50:12,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:50:12,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:50:12,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:50:12,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:50:12,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:50:12,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:50:12,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:50:12,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:50:12,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:50:12,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:50:12,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:50:12,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:50:12,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:50:12,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:50:12,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:50:12,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:50:12,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:50:12,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:50:12,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:50:12,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:50:12,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:50:12,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:50:12,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:50:12,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:50:12,459 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 [2019-09-20 15:50:12,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:50:12,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:50:12,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:50:12,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:50:12,475 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:50:12,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:50:12,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:50:12,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:50:12,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:50:12,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:50:12,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:50:12,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:50:12,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:50:12,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:50:12,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:50:12,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:50:12,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:50:12,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:50:12,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:50:12,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:50:12,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:50:12,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:50:12,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:50:12,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:50:12,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:50:12,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:50:12,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:50:12,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:50:12,481 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 [2019-09-20 15:50:12,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:50:12,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:50:12,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:50:12,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:50:12,554 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:50:12,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-09-20 15:50:12,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89510b154/3dbe675b25f4452f904ca222505127fd/FLAGf41412656 [2019-09-20 15:50:13,168 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:50:13,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-09-20 15:50:13,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89510b154/3dbe675b25f4452f904ca222505127fd/FLAGf41412656 [2019-09-20 15:50:13,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89510b154/3dbe675b25f4452f904ca222505127fd [2019-09-20 15:50:13,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:50:13,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:50:13,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:13,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:50:13,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:50:13,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:13" (1/1) ... [2019-09-20 15:50:13,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:13, skipping insertion in model container [2019-09-20 15:50:13,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:13" (1/1) ... [2019-09-20 15:50:13,481 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:50:13,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:50:13,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:14,015 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:50:14,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:14,148 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:50:14,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14 WrapperNode [2019-09-20 15:50:14,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:14,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:50:14,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:50:14,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:50:14,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (1/1) ... [2019-09-20 15:50:14,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:50:14,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:50:14,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:50:14,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:50:14,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:14" (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 [2019-09-20 15:50:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:50:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:50:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:50:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:50:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:50:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:50:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:50:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:50:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:50:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:50:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:50:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-20 15:50:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:50:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:50:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:50:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:50:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:50:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:50:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:50:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:50:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:50:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:50:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:50:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:50:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:50:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:50:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:50:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:50:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:50:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:50:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:50:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:50:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:50:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:50:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:50:15,735 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:50:15,735 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:50:15,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:15 BoogieIcfgContainer [2019-09-20 15:50:15,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:50:15,738 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:50:15,738 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:50:15,738 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:50:15,739 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:15" (1/1) ... [2019-09-20 15:50:15,740 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 [2019-09-20 15:50:15,773 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:50:15,774 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:50:15,787 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:50:15,797 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:50:15,798 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:50:26,122 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:50:27,762 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:50:27,927 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:28,055 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:28,183 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:28,202 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:50:28,249 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:50:28,265 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:50:28,776 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:50:29,087 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:50:29,377 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:50:29,626 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:50:29,983 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:50:30,268 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:50:30,586 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:50:30,910 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:50:31,225 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:50:31,607 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-20 15:50:31,954 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:50:32,103 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:50:32,478 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:32,747 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:33,003 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:33,187 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:33,470 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:50:33,756 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:50:34,040 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:50:34,271 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:50:34,610 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:50:34,893 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:50:35,170 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-20 15:50:35,375 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-20 15:50:35,639 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:35,808 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:35,975 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:36,151 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:36,311 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:36,499 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:36,663 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:36,853 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:37,015 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:37,176 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:37,337 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:37,496 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:50:37,771 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:37,993 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:38,268 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:38,499 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:38,824 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:39,046 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:39,317 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:50:39,550 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-20 15:50:39,902 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:40,193 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:40,477 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:40,671 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:50:40,842 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:50:41,041 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2019-09-20 15:50:41,209 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:50:41,385 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:50:41,522 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 526 [2019-09-20 15:50:41,757 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:50:41,798 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:50:41,822 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:50:41,830 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-20 15:50:41,833 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:50:41,835 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:50:41,835 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:50:41,837 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))) [2019-09-20 15:50:41,849 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:50:41,849 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:50:41,851 INFO L168 Benchmark]: Toolchain (without parser) took 28386.90 ms. Allocated memory was 131.6 MB in the beginning and 940.6 MB in the end (delta: 809.0 MB). Free memory was 85.5 MB in the beginning and 724.5 MB in the end (delta: -638.9 MB). Peak memory consumption was 170.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,852 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.67 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 161.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,853 INFO L168 Benchmark]: Boogie Preprocessor took 85.32 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,860 INFO L168 Benchmark]: RCFGBuilder took 1502.46 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 157.0 MB in the beginning and 138.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,862 INFO L168 Benchmark]: Sifa took 26111.30 ms. Allocated memory was 220.7 MB in the beginning and 940.6 MB in the end (delta: 719.8 MB). Free memory was 138.7 MB in the beginning and 724.5 MB in the end (delta: -585.8 MB). Peak memory consumption was 134.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:41,872 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 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.67 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 161.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.32 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 157.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1502.46 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 157.0 MB in the beginning and 138.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 26111.30 ms. Allocated memory was 220.7 MB in the beginning and 940.6 MB in the end (delta: 719.8 MB). Free memory was 138.7 MB in the beginning and 724.5 MB in the end (delta: -585.8 MB). Peak memory consumption was 134.1 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]: 26064, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 262, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 176, TOOLS_POST_TIME[ms]: 12213, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 247, TOOLS_POST_RETURN_APPLICATIONS: 68, TOOLS_POST_RETURN_TIME[ms]: 138, TOOLS_QUANTIFIERELIM_APPLICATIONS: 321, TOOLS_QUANTIFIERELIM_TIME[ms]: 12473, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12062, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 267, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 95, DOMAIN_JOIN_TIME[ms]: 12698, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 295, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 299, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6626, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6625, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 68, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12534, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12533, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, 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...