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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:57:59,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:57:59,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:57:59,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:57:59,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:57:59,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:57:59,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:57:59,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:57:59,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:57:59,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:57:59,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:57:59,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:57:59,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:57:59,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:57:59,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:57:59,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:57:59,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:57:59,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:57:59,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:57:59,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:57:59,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:57:59,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:57:59,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:57:59,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:57:59,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:57:59,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:57:59,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:57:59,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:57:59,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:57:59,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:57:59,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:57:59,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:57:59,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:57:59,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:57:59,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:57:59,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:57:59,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:57:59,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:57:59,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:57:59,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:57:59,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:57:59,409 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 [2019-09-18 03:57:59,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:57:59,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:57:59,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:57:59,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:57:59,436 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:57:59,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:57:59,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:57:59,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:57:59,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:57:59,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:57:59,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:57:59,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:57:59,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:57:59,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:57:59,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:57:59,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:57:59,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:57:59,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:57:59,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:57:59,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:57:59,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:57:59,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:57:59,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:57:59,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:57:59,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:57:59,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:57:59,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:57:59,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:57:59,441 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 03:57:59,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:57:59,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:57:59,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:57:59,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:57:59,500 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:57:59,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-18 03:57:59,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86fde384b/bc8e3778efd44183995353880ab626ef/FLAG6b95f8659 [2019-09-18 03:58:00,065 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:58:00,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-18 03:58:00,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86fde384b/bc8e3778efd44183995353880ab626ef/FLAG6b95f8659 [2019-09-18 03:58:00,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86fde384b/bc8e3778efd44183995353880ab626ef [2019-09-18 03:58:00,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:58:00,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:58:00,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:58:00,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:58:00,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:58:00,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:58:00" (1/1) ... [2019-09-18 03:58:00,398 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 18.09 03:58:00, skipping insertion in model container [2019-09-18 03:58:00,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:58:00" (1/1) ... [2019-09-18 03:58:00,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:58:00,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:58:01,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:58:01,059 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:58:01,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:58:01,217 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:58:01,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01 WrapperNode [2019-09-18 03:58:01,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:58:01,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:58:01,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:58:01,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:58:01,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (1/1) ... [2019-09-18 03:58:01,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:58:01,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:58:01,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:58:01,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:58:01,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:58:01" (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 [2019-09-18 03:58:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:58:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:58:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:58:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:58:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:58:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:58:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:58:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:58:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:58:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:58:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:58:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:58:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 03:58:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:58:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:58:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:58:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:58:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:58:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:58:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:58:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:58:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 03:58:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:58:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:58:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:58:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 03:58:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:58:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:58:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:58:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:58:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:58:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 03:58:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:58:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:58:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:58:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:58:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:58:02,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:58:02,409 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:58:02,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:58:02 BoogieIcfgContainer [2019-09-18 03:58:02,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:58:02,411 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:58:02,411 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:58:02,411 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:58:02,413 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:58:02" (1/1) ... [2019-09-18 03:58:02,414 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:58:02,438 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:58:02,439 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:58:02,451 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:58:02,462 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:58:02,463 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:58:25,461 WARN L191 SmtUtils]: Spent 14.02 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 03:58:27,236 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:58:30,979 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 03:58:32,759 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:58:34,487 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 03:58:34,502 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 03:58:34,569 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 03:58:34,587 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 03:58:46,068 WARN L191 SmtUtils]: Spent 11.26 s on a formula simplification. DAG size of input: 449 DAG size of output: 448 [2019-09-18 03:58:51,722 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 03:59:06,717 WARN L191 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2019-09-18 03:59:14,134 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 03:59:29,118 WARN L191 SmtUtils]: Spent 14.95 s on a formula simplification. DAG size of input: 466 DAG size of output: 462 [2019-09-18 03:59:36,566 WARN L191 SmtUtils]: Spent 7.45 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 03:59:51,494 WARN L191 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 466 DAG size of output: 462 [2019-09-18 03:59:58,961 WARN L191 SmtUtils]: Spent 7.47 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 04:00:26,733 WARN L191 SmtUtils]: Spent 27.74 s on a formula simplification. DAG size of input: 462 DAG size of output: 459 [2019-09-18 04:00:45,414 WARN L191 SmtUtils]: Spent 18.46 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-18 04:00:45,725 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 04:01:04,321 WARN L191 SmtUtils]: Spent 18.59 s on a formula simplification. DAG size of input: 467 DAG size of output: 461 [2019-09-18 04:01:04,633 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 04:01:04,858 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-09-18 04:01:04,970 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 04:01:05,273 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-18 04:01:06,417 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 04:01:06,524 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 04:01:06,833 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 90 [2019-09-18 04:01:06,968 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 04:01:07,251 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-18 04:01:07,370 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 04:01:07,635 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-18 04:01:07,801 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-18 04:01:08,100 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-09-18 04:01:08,249 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-09-18 04:01:08,462 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-18 04:01:08,871 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-09-18 04:01:09,250 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 04:01:09,820 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2019-09-18 04:01:09,988 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 04:01:10,317 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-18 04:01:10,468 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 04:01:10,758 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-18 04:01:10,928 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-18 04:01:11,101 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-09-18 04:01:11,248 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-09-18 04:01:11,406 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-09-18 04:01:11,611 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-18 04:01:11,971 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-18 04:01:12,212 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-18 04:01:13,266 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-18 04:01:13,413 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 04:01:13,727 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-18 04:01:13,872 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 04:01:14,190 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-18 04:01:14,338 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 04:01:14,500 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 04:01:14,646 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 04:01:14,795 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 04:01:14,834 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 04:01:14,981 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 04:01:15,123 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 15 for LOIs [2019-09-18 04:01:15,127 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-18 04:01:15,194 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 04:01:15,195 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 04:01:15,196 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 600#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2019-09-18 04:01:15,207 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 04:01:15,208 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 04:01:15,209 INFO L168 Benchmark]: Toolchain (without parser) took 194819.56 ms. Allocated memory was 138.9 MB in the beginning and 181.9 MB in the end (delta: 43.0 MB). Free memory was 86.0 MB in the beginning and 150.2 MB in the end (delta: -64.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 04:01:15,210 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 04:01:15,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.62 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.8 MB in the beginning and 164.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-18 04:01:15,212 INFO L168 Benchmark]: Boogie Preprocessor took 81.91 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 04:01:15,213 INFO L168 Benchmark]: RCFGBuilder took 1109.86 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 159.7 MB in the beginning and 190.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-18 04:01:15,213 INFO L168 Benchmark]: Sifa took 192796.78 ms. Allocated memory was 222.8 MB in the beginning and 181.9 MB in the end (delta: -40.9 MB). Free memory was 190.6 MB in the beginning and 150.2 MB in the end (delta: 40.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 04:01:15,217 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.62 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.8 MB in the beginning and 164.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.91 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.86 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 159.7 MB in the beginning and 190.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * Sifa took 192796.78 ms. Allocated memory was 222.8 MB in the beginning and 181.9 MB in the end (delta: -40.9 MB). Free memory was 190.6 MB in the beginning and 150.2 MB in the end (delta: 40.4 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]: 192758, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 297, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 215, TOOLS_POST_TIME[ms]: 28541, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 145, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 335, TOOLS_QUANTIFIERELIM_TIME[ms]: 28630, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28435, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 303, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 162296, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1156, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME[ms]: 374, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 157769, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 157768, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33080, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33079, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 661, DAG_COMPRESSION_RETAINED_NODES: 272 - UnprovableResult [Line: 650]: 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 600#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...