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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:50:44,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:50:44,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:50:44,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:50:44,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:50:44,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:50:44,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:50:44,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:50:44,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:50:44,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:50:44,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:50:44,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:50:44,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:50:44,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:50:44,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:50:44,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:50:44,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:50:44,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:50:44,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:50:44,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:50:44,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:50:44,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:50:44,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:50:44,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:50:44,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:50:44,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:50:44,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:50:44,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:50:44,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:50:44,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:50:44,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:50:44,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:50:44,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:50:44,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:50:44,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:50:44,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:50:44,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:50:44,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:50:44,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:50:44,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:50:44,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:50:44,458 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 15:50:44,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:50:44,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:50:44,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:50:44,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:50:44,474 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:50:44,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:50:44,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:50:44,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:50:44,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:50:44,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:50:44,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:50:44,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:50:44,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:50:44,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:50:44,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:50:44,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:50:44,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:50:44,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:50:44,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:50:44,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:50:44,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:50:44,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:50:44,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:50:44,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:50:44,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:50:44,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:50:44,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:50:44,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:50:44,479 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 15:50:44,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:50:44,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:50:44,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:50:44,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:50:44,526 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:50:44,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2019-09-20 15:50:44,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95827e62/a62ae7a3043a4116837ab2317dcff8d1/FLAGb5a233bf9 [2019-09-20 15:50:45,070 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:50:45,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product60.cil.c [2019-09-20 15:50:45,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95827e62/a62ae7a3043a4116837ab2317dcff8d1/FLAGb5a233bf9 [2019-09-20 15:50:45,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95827e62/a62ae7a3043a4116837ab2317dcff8d1 [2019-09-20 15:50:45,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:50:45,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:50:45,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:45,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:50:45,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:50:45,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:45" (1/1) ... [2019-09-20 15:50:45,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a380d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:45, skipping insertion in model container [2019-09-20 15:50:45,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:45" (1/1) ... [2019-09-20 15:50:45,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:50:45,480 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:50:45,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:45,950 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:50:46,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:46,087 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:50:46,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46 WrapperNode [2019-09-20 15:50:46,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:46,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:50:46,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:50:46,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:50:46,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (1/1) ... [2019-09-20 15:50:46,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:50:46,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:50:46,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:50:46,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:50:46,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:46" (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 15:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:50:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:50:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:50:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:50:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:50:47,758 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:50:47,759 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:50:47,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:47 BoogieIcfgContainer [2019-09-20 15:50:47,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:50:47,761 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:50:47,761 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:50:47,761 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:50:47,762 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:47" (1/1) ... [2019-09-20 15:50:47,763 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 15:50:47,788 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:50:47,788 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:50:47,803 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:50:47,815 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:50:47,816 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:50:57,740 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:50:59,491 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:50:59,641 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:59,788 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:59,911 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:59,941 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:50:59,999 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:51:00,015 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:51:00,585 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:51:00,959 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:51:01,304 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:01,582 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:01,840 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:02,021 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:51:02,440 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:51:02,834 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:51:03,353 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:51:03,655 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:51:03,773 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-20 15:51:04,118 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:51:04,413 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:51:04,741 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:51:05,035 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:51:05,315 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:51:05,558 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-20 15:51:05,881 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:51:06,230 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:51:06,666 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:51:07,025 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:51:07,202 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:51:07,395 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:07,556 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:07,723 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:07,924 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:51:08,244 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:51:08,528 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:51:08,955 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-09-20 15:51:10,159 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 525 [2019-09-20 15:51:10,320 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:51:10,720 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 508 [2019-09-20 15:51:10,872 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-20 15:51:11,128 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 508 [2019-09-20 15:51:11,291 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-20 15:51:11,667 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 519 [2019-09-20 15:51:11,825 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-20 15:51:12,015 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 506 [2019-09-20 15:51:12,252 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 518 [2019-09-20 15:51:12,415 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-20 15:51:12,771 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:51:13,075 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:51:13,223 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-20 15:51:13,486 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 525 [2019-09-20 15:51:13,650 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-20 15:51:14,109 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-20 15:51:14,712 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-20 15:51:14,945 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-20 15:51:15,239 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-20 15:51:15,242 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:51:15,288 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:51:15,297 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 21 for LOIs [2019-09-20 15:51:15,300 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:51:15,303 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:51:15,303 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:51:15,305 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1148#(and (not (= 0 ~methAndRunningLastTime~0)) (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~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 15:51:15,317 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:51:15,317 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:51:15,320 INFO L168 Benchmark]: Toolchain (without parser) took 29905.34 ms. Allocated memory was 137.4 MB in the beginning and 969.4 MB in the end (delta: 832.0 MB). Free memory was 84.1 MB in the beginning and 468.7 MB in the end (delta: -384.6 MB). Peak memory consumption was 447.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,320 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.59 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.9 MB in the beginning and 161.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,322 INFO L168 Benchmark]: Boogie Preprocessor took 92.91 ms. Allocated memory is still 197.7 MB. Free memory was 161.8 MB in the beginning and 157.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,323 INFO L168 Benchmark]: RCFGBuilder took 1576.83 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 157.2 MB in the beginning and 134.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,324 INFO L168 Benchmark]: Sifa took 27556.90 ms. Allocated memory was 217.1 MB in the beginning and 969.4 MB in the end (delta: 752.4 MB). Free memory was 134.2 MB in the beginning and 468.7 MB in the end (delta: -334.5 MB). Peak memory consumption was 417.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:15,331 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.59 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 83.9 MB in the beginning and 161.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.91 ms. Allocated memory is still 197.7 MB. Free memory was 161.8 MB in the beginning and 157.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1576.83 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 157.2 MB in the beginning and 134.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. * Sifa took 27556.90 ms. Allocated memory was 217.1 MB in the beginning and 969.4 MB in the end (delta: 752.4 MB). Free memory was 134.2 MB in the beginning and 468.7 MB in the end (delta: -334.5 MB). Peak memory consumption was 417.8 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]: 27517, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 519, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 366, TOOLS_POST_TIME[ms]: 11949, TOOLS_POST_CALL_APPLICATIONS: 129, TOOLS_POST_CALL_TIME[ms]: 381, TOOLS_POST_RETURN_APPLICATIONS: 120, TOOLS_POST_RETURN_TIME[ms]: 230, TOOLS_QUANTIFIERELIM_APPLICATIONS: 615, TOOLS_QUANTIFIERELIM_TIME[ms]: 12357, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11745, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 536, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 219, DOMAIN_JOIN_TIME[ms]: 13997, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 255, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 57, DOMAIN_ISBOTTOM_APPLICATIONS: 108, DOMAIN_ISBOTTOM_TIME[ms]: 422, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9433, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9433, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 120, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12239, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12237, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 1599, DAG_COMPRESSION_RETAINED_NODES: 370 - UnprovableResult [Line: 155]: 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 1148#(and (not (= 0 ~methAndRunningLastTime~0)) (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~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...