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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:53:48,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:53:48,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:53:48,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:53:48,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:53:48,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:53:48,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:53:48,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:53:48,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:53:48,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:53:48,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:53:48,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:53:48,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:53:48,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:53:48,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:53:48,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:53:48,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:53:48,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:53:48,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:53:48,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:53:48,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:53:48,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:53:48,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:53:48,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:53:48,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:53:48,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:53:48,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:53:48,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:53:48,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:53:48,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:53:48,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:53:48,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:53:48,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:53:48,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:53:48,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:53:48,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:53:48,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:53:48,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:53:48,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:53:48,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:53:48,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:53:48,365 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 [2019-09-25 17:53:48,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:53:48,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:53:48,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:53:48,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:53:48,382 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:53:48,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:53:48,382 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:53:48,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:53:48,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:53:48,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:53:48,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:53:48,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:53:48,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:53:48,384 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:53:48,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:53:48,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:53:48,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:53:48,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:53:48,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:53:48,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:53:48,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:53:48,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:53:48,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:53:48,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:53:48,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:53:48,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:53:48,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:53:48,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:53:48,387 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:53:48,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:53:48,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:53:48,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:53:48,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:53:48,436 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:53:48,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-25 17:53:48,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3eb1501/e32ba4f0685a4f4c8c279ce4c3d10245/FLAG778537391 [2019-09-25 17:53:49,022 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:53:49,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2019-09-25 17:53:49,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3eb1501/e32ba4f0685a4f4c8c279ce4c3d10245/FLAG778537391 [2019-09-25 17:53:49,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3eb1501/e32ba4f0685a4f4c8c279ce4c3d10245 [2019-09-25 17:53:49,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:53:49,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:53:49,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:53:49,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:53:49,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:53:49,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:53:49" (1/1) ... [2019-09-25 17:53:49,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:49, skipping insertion in model container [2019-09-25 17:53:49,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:53:49" (1/1) ... [2019-09-25 17:53:49,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:53:49,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:53:49,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:53:49,867 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:53:49,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:53:50,023 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:53:50,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50 WrapperNode [2019-09-25 17:53:50,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:53:50,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:53:50,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:53:50,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:53:50,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (1/1) ... [2019-09-25 17:53:50,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:53:50,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:53:50,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:53:50,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:53:50,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:50" (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 [2019-09-25 17:53:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:53:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:53:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:53:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:53:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:53:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:53:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:53:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:53:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:53:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:53:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:53:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:53:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:53:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 17:53:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:53:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:53:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:53:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:53:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:53:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:53:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:53:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:53:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:53:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:53:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:53:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 17:53:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:53:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:53:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:53:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:53:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:53:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:53:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:53:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:53:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:53:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:53:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:53:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:53:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:53:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:53:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:53:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:53:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:53:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:53:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:53:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:53:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:53:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:53:51,801 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:53:51,802 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:53:51,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:53:51 BoogieIcfgContainer [2019-09-25 17:53:51,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:53:51,804 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:53:51,804 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:53:51,805 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:53:51,806 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:53:51" (1/1) ... [2019-09-25 17:53:51,807 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:53:51,835 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:53:51,835 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:53:51,846 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:53:51,856 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:53:51,857 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:53:59,631 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:54:01,407 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:54:01,589 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:54:01,738 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:54:01,864 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:54:01,885 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:54:01,942 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:54:01,959 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:54:02,532 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:54:02,992 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:54:03,216 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:54:03,475 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:54:03,689 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:54:03,881 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:54:04,088 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-25 17:54:04,365 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-25 17:54:04,470 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-25 17:54:04,715 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-25 17:54:05,019 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:54:05,348 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-25 17:54:05,526 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:54:05,759 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:54:06,031 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-25 17:54:06,301 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:54:06,571 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:54:06,716 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:54:06,904 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:54:07,148 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:54:07,439 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:54:07,670 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:54:07,925 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:54:08,166 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:54:08,613 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-25 17:54:08,937 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-09-25 17:54:09,212 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-25 17:54:09,941 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:10,364 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:10,663 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:11,741 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-25 17:54:12,109 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:12,521 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:12,849 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2019-09-25 17:54:13,147 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 529 [2019-09-25 17:54:13,418 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-25 17:54:13,796 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:54:13,798 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 495 for LOIs [2019-09-25 17:54:13,949 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-25 17:54:13,997 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:54:14,003 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:54:14,016 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:54:14,016 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:54:14,019 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 784#(and (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string75.offset| 0)) [2019-09-25 17:54:14,034 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:54:14,035 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:54:14,037 INFO L168 Benchmark]: Toolchain (without parser) took 24725.58 ms. Allocated memory was 136.8 MB in the beginning and 753.4 MB in the end (delta: 616.6 MB). Free memory was 87.0 MB in the beginning and 582.1 MB in the end (delta: -495.1 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,038 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.93 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 86.8 MB in the beginning and 165.8 MB in the end (delta: -79.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,039 INFO L168 Benchmark]: Boogie Preprocessor took 100.30 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,040 INFO L168 Benchmark]: RCFGBuilder took 1678.87 ms. Allocated memory was 201.9 MB in the beginning and 228.1 MB in the end (delta: 26.2 MB). Free memory was 161.5 MB in the beginning and 138.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,041 INFO L168 Benchmark]: Sifa took 22230.53 ms. Allocated memory was 228.1 MB in the beginning and 753.4 MB in the end (delta: 525.3 MB). Free memory was 138.8 MB in the beginning and 582.1 MB in the end (delta: -443.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:14,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.93 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 86.8 MB in the beginning and 165.8 MB in the end (delta: -79.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.30 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1678.87 ms. Allocated memory was 201.9 MB in the beginning and 228.1 MB in the end (delta: 26.2 MB). Free memory was 161.5 MB in the beginning and 138.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Sifa took 22230.53 ms. Allocated memory was 228.1 MB in the beginning and 753.4 MB in the end (delta: 525.3 MB). Free memory was 138.8 MB in the beginning and 582.1 MB in the end (delta: -443.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22184, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 238, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 159, TOOLS_POST_TIME[ms]: 9830, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 223, TOOLS_POST_RETURN_APPLICATIONS: 61, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 287, TOOLS_QUANTIFIERELIM_TIME[ms]: 10040, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9675, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 240, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 98, DOMAIN_JOIN_TIME[ms]: 11371, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 444, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4243, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 61, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10108, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10107, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 641, DAG_COMPRESSION_RETAINED_NODES: 265 - UnprovableResult [Line: 923]: 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 784#(and (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (= |#t~string75.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...