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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:07:56,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:07:56,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:07:56,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:07:56,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:07:56,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:07:56,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:07:56,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:07:56,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:07:56,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:07:56,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:07:56,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:07:56,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:07:56,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:07:56,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:07:56,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:07:56,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:07:56,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:07:56,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:07:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:07:56,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:07:56,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:07:56,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:07:56,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:07:56,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:07:56,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:07:56,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:07:56,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:07:56,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:07:56,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:07:56,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:07:56,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:07:56,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:07:56,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:07:56,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:07:56,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:07:56,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:07:56,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:07:56,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:07:56,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:07:56,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:07:56,466 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 00:07:56,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:07:56,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:07:56,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:07:56,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:07:56,482 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:07:56,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:07:56,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:07:56,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:07:56,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:07:56,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:07:56,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:07:56,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:07:56,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:07:56,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:07:56,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:07:56,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:07:56,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:07:56,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:07:56,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:07:56,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:07:56,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:07:56,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:07:56,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:07:56,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:07:56,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:07:56,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:07:56,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:07:56,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:07:56,486 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 00:07:56,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:07:56,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:07:56,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:07:56,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:07:56,555 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:07:56,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-19 00:07:56,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6125490/abd32b90ac244fbb8b05abd30a70bf7a/FLAG8e14c2b83 [2019-09-19 00:07:57,197 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:07:57,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-19 00:07:57,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6125490/abd32b90ac244fbb8b05abd30a70bf7a/FLAG8e14c2b83 [2019-09-19 00:07:57,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6125490/abd32b90ac244fbb8b05abd30a70bf7a [2019-09-19 00:07:57,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:07:57,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:07:57,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:07:57,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:07:57,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:07:57,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:07:57" (1/1) ... [2019-09-19 00:07:57,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:57, skipping insertion in model container [2019-09-19 00:07:57,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:07:57" (1/1) ... [2019-09-19 00:07:57,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:07:57,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:07:57,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:07:57,960 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:07:58,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:07:58,106 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:07:58,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58 WrapperNode [2019-09-19 00:07:58,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:07:58,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:07:58,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:07:58,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:07:58,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (1/1) ... [2019-09-19 00:07:58,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:07:58,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:07:58,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:07:58,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:07:58,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:07:58" (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 00:07:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:07:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:07:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 00:07:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 00:07:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 00:07:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 00:07:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 00:07:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 00:07:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 00:07:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 00:07:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 00:07:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 00:07:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 00:07:58,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 00:07:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 00:07:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 00:07:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:07:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 00:07:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 00:07:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 00:07:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 00:07:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 00:07:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:07:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:07:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:07:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:07:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:07:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 00:07:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 00:07:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 00:07:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 00:07:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 00:07:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 00:07:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 00:07:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 00:07:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 00:07:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 00:07:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 00:07:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 00:07:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 00:07:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 00:07:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 00:07:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 00:07:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 00:07:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 00:07:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 00:07:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 00:07:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 00:07:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 00:07:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 00:07:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 00:07:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 00:07:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 00:07:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:07:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 00:07:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 00:07:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 00:07:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 00:07:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 00:07:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 00:07:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:07:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 00:07:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:07:59,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:07:59,789 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 00:07:59,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:07:59 BoogieIcfgContainer [2019-09-19 00:07:59,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:07:59,792 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:07:59,792 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:07:59,792 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:07:59,794 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:07:59" (1/1) ... [2019-09-19 00:07:59,794 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 00:07:59,827 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:07:59,828 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:07:59,843 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:07:59,854 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:07:59,856 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:08:13,387 WARN L191 SmtUtils]: Spent 13.41 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:08:25,435 WARN L191 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 00:08:46,122 WARN L191 SmtUtils]: Spent 12.34 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 00:08:47,708 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 00:08:51,445 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 00:08:51,454 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 00:08:53,155 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:08:54,895 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:08:56,609 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:08:58,334 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:09:00,068 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:09:01,805 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 00:09:03,515 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:09:05,216 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 00:09:05,224 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 00:09:06,908 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:09:08,647 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 00:09:08,655 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 00:09:12,195 WARN L191 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 00:09:13,875 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 00:09:25,176 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 458 DAG size of output: 456 [2019-09-19 00:09:30,621 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-19 00:09:40,800 WARN L191 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 00:09:45,887 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 00:10:00,086 WARN L191 SmtUtils]: Spent 14.16 s on a formula simplification. DAG size of input: 472 DAG size of output: 465 [2019-09-19 00:10:06,093 WARN L191 SmtUtils]: Spent 6.01 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 00:10:19,865 WARN L191 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 477 DAG size of output: 468 [2019-09-19 00:10:25,464 WARN L191 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 00:10:39,177 WARN L191 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 477 DAG size of output: 468 [2019-09-19 00:10:44,755 WARN L191 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 468 [2019-09-19 00:11:00,609 WARN L191 SmtUtils]: Spent 15.83 s on a formula simplification. DAG size of input: 469 DAG size of output: 468 [2019-09-19 00:11:00,726 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:11:15,807 WARN L191 SmtUtils]: Spent 15.07 s on a formula simplification. DAG size of input: 474 DAG size of output: 470 [2019-09-19 00:11:15,918 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 00:11:16,027 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:11:31,028 WARN L191 SmtUtils]: Spent 14.99 s on a formula simplification. DAG size of input: 474 DAG size of output: 470 [2019-09-19 00:11:31,133 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 00:11:31,239 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 00:11:31,902 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-19 00:11:32,277 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2019-09-19 00:11:32,597 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-19 00:11:32,903 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2019-09-19 00:11:33,013 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-19 00:11:33,641 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2019-09-19 00:11:33,795 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:11:33,949 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-19 00:11:34,124 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-09-19 00:11:34,849 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-19 00:11:35,030 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:11:35,183 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:11:35,335 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-19 00:11:35,492 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-19 00:11:35,626 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-19 00:11:35,760 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-19 00:11:36,162 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:11:36,423 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:11:36,671 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-09-19 00:11:36,712 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 00:11:36,893 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 00:11:37,155 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 00:11:37,169 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 00:11:37,207 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:11:37,207 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:11:37,209 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 568#(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 00:11:37,219 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:11:37,220 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:11:37,221 INFO L168 Benchmark]: Toolchain (without parser) took 219763.46 ms. Allocated memory was 140.5 MB in the beginning and 173.5 MB in the end (delta: 33.0 MB). Free memory was 87.6 MB in the beginning and 72.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,222 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.32 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 163.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,224 INFO L168 Benchmark]: Boogie Preprocessor took 105.81 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 159.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,225 INFO L168 Benchmark]: RCFGBuilder took 1574.32 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 143.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,226 INFO L168 Benchmark]: Sifa took 217428.11 ms. Allocated memory was 226.5 MB in the beginning and 173.5 MB in the end (delta: -53.0 MB). Free memory was 143.2 MB in the beginning and 72.4 MB in the end (delta: 70.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-19 00:11:37,230 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.32 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 163.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.81 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 159.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1574.32 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 143.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Sifa took 217428.11 ms. Allocated memory was 226.5 MB in the beginning and 173.5 MB in the end (delta: -53.0 MB). Free memory was 143.2 MB in the beginning and 72.4 MB in the end (delta: 70.8 MB). Peak memory consumption was 17.8 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]: 217382, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 240, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 169, TOOLS_POST_TIME[ms]: 116, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 26068, TOOLS_QUANTIFIERELIM_APPLICATIONS: 288, TOOLS_QUANTIFIERELIM_TIME[ms]: 26204, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26007, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 245, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 99, DOMAIN_JOIN_TIME[ms]: 190157, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 130, DOMAIN_ISSUBSETEQ_APPLICATIONS: 41, DOMAIN_ISSUBSETEQ_TIME[ms]: 93, DOMAIN_ISBOTTOM_APPLICATIONS: 58, DOMAIN_ISBOTTOM_TIME[ms]: 345, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 146290, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 146290, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 65199, 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: 726, DAG_COMPRESSION_RETAINED_NODES: 260 - UnprovableResult [Line: 410]: 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 568#(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...