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_spec5_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:12:04,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:12:04,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:12:04,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:12:04,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:12:04,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:12:04,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:12:04,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:12:04,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:12:04,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:12:04,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:12:04,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:12:04,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:12:04,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:12:04,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:12:04,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:12:04,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:12:04,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:12:04,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:12:04,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:12:04,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:12:04,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:12:04,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:12:04,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:12:04,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:12:04,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:12:04,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:12:04,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:12:04,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:12:04,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:12:04,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:12:04,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:12:04,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:12:04,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:12:04,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:12:04,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:12:04,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:12:04,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:12:04,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:12:04,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:12:04,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:12:04,435 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 [2019-09-19 00:12:04,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:12:04,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:12:04,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:12:04,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:12:04,467 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:12:04,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:12:04,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:12:04,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:12:04,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:12:04,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:12:04,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:12:04,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:12:04,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:12:04,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:12:04,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:12:04,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:12:04,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:12:04,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:12:04,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:12:04,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:12:04,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:12:04,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:12:04,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:12:04,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:12:04,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:12:04,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:12:04,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:12:04,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:12:04,475 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 [2019-09-19 00:12:04,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:12:04,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:12:04,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:12:04,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:12:04,558 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:12:04,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c [2019-09-19 00:12:04,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a9c3a519/bf8d6e23b45643d3b7d5cc9cf7faa074/FLAG2d44a0b48 [2019-09-19 00:12:05,144 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:12:05,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product32.cil.c [2019-09-19 00:12:05,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a9c3a519/bf8d6e23b45643d3b7d5cc9cf7faa074/FLAG2d44a0b48 [2019-09-19 00:12:05,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a9c3a519/bf8d6e23b45643d3b7d5cc9cf7faa074 [2019-09-19 00:12:05,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:12:05,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:12:05,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:12:05,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:12:05,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:12:05,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:12:05" (1/1) ... [2019-09-19 00:12:05,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cca2c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:05, skipping insertion in model container [2019-09-19 00:12:05,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:12:05" (1/1) ... [2019-09-19 00:12:05,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:12:05,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:12:05,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:12:05,977 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:12:06,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:12:06,111 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:12:06,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06 WrapperNode [2019-09-19 00:12:06,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:12:06,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:12:06,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:12:06,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:12:06,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (1/1) ... [2019-09-19 00:12:06,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:12:06,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:12:06,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:12:06,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:12:06,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:12:06" (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 [2019-09-19 00:12:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:12:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:12:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 00:12:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 00:12:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 00:12:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 00:12:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:12:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 00:12:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 00:12:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:12:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 00:12:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 00:12:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 00:12:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 00:12:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 00:12:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 00:12:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 00:12:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 00:12:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 00:12:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 00:12:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 00:12:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 00:12:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 00:12:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:12:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 00:12:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:12:07,829 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:12:07,829 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 00:12:07,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:12:07 BoogieIcfgContainer [2019-09-19 00:12:07,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:12:07,832 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:12:07,832 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:12:07,832 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:12:07,834 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:12:07" (1/1) ... [2019-09-19 00:12:07,834 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 [2019-09-19 00:12:07,869 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:12:07,869 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:12:07,883 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:12:07,894 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:12:07,895 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:12:20,733 WARN L191 SmtUtils]: Spent 12.75 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:12:32,592 WARN L191 SmtUtils]: Spent 11.86 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:12:55,635 WARN L191 SmtUtils]: Spent 13.76 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:12:57,200 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 00:13:01,015 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 00:13:01,024 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 00:13:02,749 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:04,442 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:06,124 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:07,803 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:09,541 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:13:11,219 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:13:12,853 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:14,533 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:13:14,540 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 00:13:16,288 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:13:17,972 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:13:17,981 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 00:13:21,543 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 00:13:23,220 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 00:13:35,016 WARN L191 SmtUtils]: Spent 11.66 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-19 00:13:40,627 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 00:13:52,679 WARN L191 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 460 DAG size of output: 458 [2019-09-19 00:13:58,539 WARN L191 SmtUtils]: Spent 5.86 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-19 00:14:09,416 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 00:14:14,820 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 00:14:30,209 WARN L191 SmtUtils]: Spent 15.34 s on a formula simplification. DAG size of input: 477 DAG size of output: 469 [2019-09-19 00:14:37,023 WARN L191 SmtUtils]: Spent 6.81 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 00:14:51,929 WARN L191 SmtUtils]: Spent 14.90 s on a formula simplification. DAG size of input: 477 DAG size of output: 469 [2019-09-19 00:14:58,495 WARN L191 SmtUtils]: Spent 6.56 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 00:15:03,755 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 00:15:19,603 WARN L191 SmtUtils]: Spent 15.82 s on a formula simplification. DAG size of input: 472 DAG size of output: 466 [2019-09-19 00:15:26,689 WARN L191 SmtUtils]: Spent 7.08 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:15:44,703 WARN L191 SmtUtils]: Spent 17.99 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-19 00:15:44,812 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 00:16:02,041 WARN L191 SmtUtils]: Spent 16.85 s on a formula simplification. DAG size of input: 474 DAG size of output: 470 [2019-09-19 00:16:02,147 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:16:02,350 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:16:19,247 WARN L191 SmtUtils]: Spent 16.90 s on a formula simplification. DAG size of input: 474 DAG size of output: 470 [2019-09-19 00:16:19,356 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:16:19,559 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:16:19,912 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-19 00:16:20,811 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2019-09-19 00:16:21,122 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 00:16:21,716 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-09-19 00:16:22,324 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-09-19 00:16:22,641 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2019-09-19 00:16:23,140 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-09-19 00:16:23,484 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-09-19 00:16:23,608 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-19 00:16:24,184 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:16:24,338 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:16:25,383 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-19 00:16:25,541 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:16:25,693 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:16:26,253 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 00:16:26,726 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 00:16:26,953 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-19 00:16:28,428 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 00:16:28,913 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 00:16:29,174 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 00:16:29,184 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 00:16:29,208 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:16:29,208 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:16:29,211 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 631#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-19 00:16:29,223 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:16:29,223 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:16:29,225 INFO L168 Benchmark]: Toolchain (without parser) took 263768.66 ms. Allocated memory was 133.7 MB in the beginning and 167.8 MB in the end (delta: 34.1 MB). Free memory was 88.4 MB in the beginning and 109.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-19 00:16:29,225 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:16:29,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.69 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.2 MB in the beginning and 165.3 MB in the end (delta: -77.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-09-19 00:16:29,227 INFO L168 Benchmark]: Boogie Preprocessor took 88.69 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 160.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-19 00:16:29,228 INFO L168 Benchmark]: RCFGBuilder took 1630.00 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 160.9 MB in the beginning and 144.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-19 00:16:29,229 INFO L168 Benchmark]: Sifa took 261391.59 ms. Allocated memory was 226.0 MB in the beginning and 167.8 MB in the end (delta: -58.2 MB). Free memory was 144.2 MB in the beginning and 109.0 MB in the end (delta: 35.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 00:16:29,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.69 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.2 MB in the beginning and 165.3 MB in the end (delta: -77.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.69 ms. Allocated memory is still 199.8 MB. Free memory was 165.3 MB in the beginning and 160.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1630.00 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 160.9 MB in the beginning and 144.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 261391.59 ms. Allocated memory was 226.0 MB in the beginning and 167.8 MB in the end (delta: -58.2 MB). Free memory was 144.2 MB in the beginning and 109.0 MB in the end (delta: 35.2 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]: 261342, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 271, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 187, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 76, TOOLS_POST_CALL_TIME[ms]: 134, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 28508, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME[ms]: 28644, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28421, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 278, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 106, DOMAIN_JOIN_TIME[ms]: 226194, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 273, DOMAIN_ISSUBSETEQ_APPLICATIONS: 64, DOMAIN_ISSUBSETEQ_TIME[ms]: 181, DOMAIN_ISBOTTOM_APPLICATIONS: 62, DOMAIN_ISBOTTOM_TIME[ms]: 327, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 187762, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 187761, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71398, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 697, DAG_COMPRESSION_RETAINED_NODES: 268 - UnprovableResult [Line: 185]: 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 631#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...