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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:57,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:57,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:57,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:57,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:57,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:57,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:57,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:57,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:57,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:57,917 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:57,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:57,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:57,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:57,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:57,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:57,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:57,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:57,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:57,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:57,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:57,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:57,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:57,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:57,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:57,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:01:57,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:01:57,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:01:57,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:01:57,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:01:57,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:01:57,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:01:57,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:01:57,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:57,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:57,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:57,945 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 [2019-08-08 10:01:57,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:57,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:57,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:57,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:57,962 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:57,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:57,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:57,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:57,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:57,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:57,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:57,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:57,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:57,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:57,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:57,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:57,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:57,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:57,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:57,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:57,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:57,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:57,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:57,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:57,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:57,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:57,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:57,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:57,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:57,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:58,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:58,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:58,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:58,012 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:58,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label29.c [2019-08-08 10:01:58,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305ba1187/9228b7662d0749cead2d68bc78edbd8c/FLAGec51cc29f [2019-08-08 10:01:58,692 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:58,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label29.c [2019-08-08 10:01:58,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305ba1187/9228b7662d0749cead2d68bc78edbd8c/FLAGec51cc29f [2019-08-08 10:01:58,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305ba1187/9228b7662d0749cead2d68bc78edbd8c [2019-08-08 10:01:58,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:58,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:58,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:58,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:58,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:58,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3cdf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58, skipping insertion in model container [2019-08-08 10:01:58,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,916 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:58,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:59,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:59,800 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:02:00,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:02:00,193 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:02:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00 WrapperNode [2019-08-08 10:02:00,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:02:00,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:02:00,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:02:00,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:02:00,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (1/1) ... [2019-08-08 10:02:00,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:02:00,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:02:00,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:02:00,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:02:00,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:02:00" (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 [2019-08-08 10:02:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:02:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:02:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:02:00,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:02:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:02:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:02:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:02:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:02:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:02:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:02:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:02:05,359 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:02:05,359 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:02:05,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:05 BoogieIcfgContainer [2019-08-08 10:02:05,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:02:05,362 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:02:05,362 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:02:05,362 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:02:05,363 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:05" (1/1) ... [2019-08-08 10:02:05,376 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:02:05,378 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:02:05,430 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:02:05,439 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:02:05,440 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:02:05,526 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:02:08,788 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:02:09,345 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:02:09,347 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:02:09,350 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 69547#(and (= ~a18~0 1) (= 1 ~a5~0) (not (= ~a27~0 1)) (= 0 ~a3~0) (not (= ~a12~0 1)) (not (= ~a11~0 1)) (not (= 1 ~a6~0)) (= ~a26~0 1)) [2019-08-08 10:02:09,351 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:02:09,359 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:09,363 INFO L168 Benchmark]: Toolchain (without parser) took 10461.00 ms. Allocated memory was 132.6 MB in the beginning and 444.1 MB in the end (delta: 311.4 MB). Free memory was 82.4 MB in the beginning and 231.9 MB in the end (delta: -149.5 MB). Peak memory consumption was 341.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,364 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.55 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 82.2 MB in the beginning and 169.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,367 INFO L168 Benchmark]: Boogie Preprocessor took 167.83 ms. Allocated memory is still 222.8 MB. Free memory was 169.3 MB in the beginning and 157.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,369 INFO L168 Benchmark]: RCFGBuilder took 4998.34 ms. Allocated memory was 222.8 MB in the beginning and 275.8 MB in the end (delta: 53.0 MB). Free memory was 157.3 MB in the beginning and 77.0 MB in the end (delta: 80.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,370 INFO L168 Benchmark]: Symbolic Interpretation took 3997.51 ms. Allocated memory was 275.8 MB in the beginning and 444.1 MB in the end (delta: 168.3 MB). Free memory was 77.0 MB in the beginning and 231.9 MB in the end (delta: -154.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:09,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1569]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1293.55 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 82.2 MB in the beginning and 169.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 39.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.83 ms. Allocated memory is still 222.8 MB. Free memory was 169.3 MB in the beginning and 157.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4998.34 ms. Allocated memory was 222.8 MB in the beginning and 275.8 MB in the end (delta: 53.0 MB). Free memory was 157.3 MB in the beginning and 77.0 MB in the end (delta: 80.3 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3997.51 ms. Allocated memory was 275.8 MB in the beginning and 444.1 MB in the end (delta: 168.3 MB). Free memory was 77.0 MB in the beginning and 231.9 MB in the end (delta: -154.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...