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/float-newlib/float_req_bl_0480.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:42:43,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:42:43,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:42:43,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:42:43,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:42:43,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:42:43,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:42:43,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:42:43,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:42:43,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:42:43,923 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:42:43,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:42:43,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:42:43,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:42:43,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:42:43,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:42:43,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:42:43,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:42:43,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:42:43,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:42:43,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:42:43,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:42:43,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:42:43,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:42:43,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:42:43,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:42:43,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:42:43,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:42:43,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:42:43,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:42:43,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:42:43,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:42:43,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:42:43,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:42:43,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:42:43,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:42:43,979 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 11:42:44,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:42:44,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:42:44,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:42:44,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:42:44,009 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:42:44,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:42:44,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:42:44,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:42:44,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:42:44,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:42:44,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:42:44,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:42:44,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:42:44,013 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:42:44,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:42:44,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:42:44,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:42:44,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:42:44,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:42:44,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:42:44,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:42:44,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:42:44,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:42:44,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:42:44,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:42:44,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:42:44,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:42:44,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:42:44,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:42:44,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:42:44,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:42:44,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:42:44,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:42:44,094 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:42:44,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2019-08-08 11:42:44,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a1c0d8a/a27e63b800834b5da8a86e011fda148d/FLAG279d3b44f [2019-08-08 11:42:44,631 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:42:44,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2019-08-08 11:42:44,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a1c0d8a/a27e63b800834b5da8a86e011fda148d/FLAG279d3b44f [2019-08-08 11:42:44,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a1c0d8a/a27e63b800834b5da8a86e011fda148d [2019-08-08 11:42:44,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:42:44,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:42:44,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:42:44,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:42:44,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:42:44,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:42:44" (1/1) ... [2019-08-08 11:42:44,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b37ff5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:44, skipping insertion in model container [2019-08-08 11:42:44,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:42:44" (1/1) ... [2019-08-08 11:42:44,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:42:45,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:42:45,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:42:45,245 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:42:45,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:42:45,403 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:42:45,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45 WrapperNode [2019-08-08 11:42:45,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:42:45,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:42:45,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:42:45,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:42:45,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (1/1) ... [2019-08-08 11:42:45,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:42:45,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:42:45,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:42:45,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:42:45,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:42:45" (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 11:42:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:42:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:42:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-08-08 11:42:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2019-08-08 11:42:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-08 11:42:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:42:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:42:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:42:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-08-08 11:42:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 11:42:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-08 11:42:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 11:42:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 11:42:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 11:42:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-08 11:42:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2019-08-08 11:42:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-08 11:42:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:42:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:42:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:42:46,258 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:42:46,258 INFO L283 CfgBuilder]: Removed 14 assume(true) statements. [2019-08-08 11:42:46,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:42:46 BoogieIcfgContainer [2019-08-08 11:42:46,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:42:46,260 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:42:46,261 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:42:46,261 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:42:46,262 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:42:46" (1/1) ... [2019-08-08 11:42:46,272 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:42:46,274 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:42:46,286 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:42:46,293 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:42:46,295 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:42:46,341 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 57 [2019-08-08 11:42:46,480 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:42:46,480 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:42:46,482 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 244#false [2019-08-08 11:42:46,483 INFO L84 terpretationObserver]: All locations of interest are guaranteed to be unreachable. [2019-08-08 11:42:46,485 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:42:46,488 INFO L168 Benchmark]: Toolchain (without parser) took 1524.52 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 85.0 MB in the beginning and 130.0 MB in the end (delta: -45.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:42:46,489 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:42:46,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.44 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 171.8 MB in the end (delta: -87.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:42:46,492 INFO L168 Benchmark]: Boogie Preprocessor took 59.27 ms. Allocated memory is still 197.1 MB. Free memory was 171.8 MB in the beginning and 168.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:42:46,493 INFO L168 Benchmark]: RCFGBuilder took 795.56 ms. Allocated memory is still 197.1 MB. Free memory was 168.9 MB in the beginning and 139.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:42:46,494 INFO L168 Benchmark]: Symbolic Interpretation took 224.86 ms. Allocated memory is still 197.1 MB. Free memory was 139.6 MB in the beginning and 130.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-08 11:42:46,498 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 441.44 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 171.8 MB in the end (delta: -87.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.27 ms. Allocated memory is still 197.1 MB. Free memory was 171.8 MB in the beginning and 168.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.56 ms. Allocated memory is still 197.1 MB. Free memory was 168.9 MB in the beginning and 139.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 224.86 ms. Allocated memory is still 197.1 MB. Free memory was 139.6 MB in the beginning and 130.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...