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/loops/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:20:15,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:20:15,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:20:15,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:20:15,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:20:15,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:20:15,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:20:15,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:20:15,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:20:15,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:20:15,463 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:20:15,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:20:15,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:20:15,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:20:15,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:20:15,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:20:15,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:20:15,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:20:15,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:20:15,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:20:15,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:20:15,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:20:15,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:20:15,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:20:15,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:20:15,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:20:15,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:20:15,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:20:15,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:20:15,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:20:15,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:20:15,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:20:15,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:20:15,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:20:15,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:20:15,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:20:15,490 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 [2019-08-18 07:20:15,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:20:15,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:20:15,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:20:15,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:20:15,506 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:20:15,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:20:15,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:20:15,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:20:15,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:20:15,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:20:15,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:20:15,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:20:15,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:20:15,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:20:15,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:20:15,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:20:15,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:20:15,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:20:15,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:20:15,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:20:15,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:20:15,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:20:15,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:20:15,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:20:15,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:20:15,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:20:15,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:20:15,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:20:15,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:20:15,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:20:15,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:20:15,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:20:15,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:20:15,561 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:20:15,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-08-18 07:20:15,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13563c92/6595d427181c4955a8925d99030930ea/FLAG3a23e383f [2019-08-18 07:20:16,054 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:20:16,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-08-18 07:20:16,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13563c92/6595d427181c4955a8925d99030930ea/FLAG3a23e383f [2019-08-18 07:20:16,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d13563c92/6595d427181c4955a8925d99030930ea [2019-08-18 07:20:16,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:20:16,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:20:16,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:16,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:20:16,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:20:16,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aee69db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16, skipping insertion in model container [2019-08-18 07:20:16,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,456 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:20:16,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:20:16,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:16,657 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:20:16,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:16,687 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:20:16,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16 WrapperNode [2019-08-18 07:20:16,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:16,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:20:16,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:20:16,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:20:16,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (1/1) ... [2019-08-18 07:20:16,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:20:16,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:20:16,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:20:16,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:20:16,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:16" (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 [2019-08-18 07:20:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:20:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:20:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:20:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:20:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:20:17,032 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:20:17,033 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 07:20:17,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:17 BoogieIcfgContainer [2019-08-18 07:20:17,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:20:17,035 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:20:17,035 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:20:17,035 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:20:17,036 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:17" (1/1) ... [2019-08-18 07:20:17,048 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:20:17,050 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:20:17,056 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:20:17,065 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:20:17,066 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:20:17,104 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 07:20:17,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:20:17,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:20:17,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:20:17,199 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 07:20:17,203 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:20:17,203 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:20:17,206 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 30#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:20:17,219 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:20:17,219 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:20:17,222 INFO L168 Benchmark]: Toolchain (without parser) took 785.38 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 87.7 MB in the beginning and 158.9 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:20:17,223 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:20:17,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.85 ms. Allocated memory is still 140.0 MB. Free memory was 87.7 MB in the beginning and 78.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:17,226 INFO L168 Benchmark]: Boogie Preprocessor took 120.86 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 78.6 MB in the beginning and 178.1 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:17,228 INFO L168 Benchmark]: RCFGBuilder took 224.32 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 166.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:17,229 INFO L168 Benchmark]: Symbolic Interpretation took 184.21 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 158.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:17,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 30#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 140.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.85 ms. Allocated memory is still 140.0 MB. Free memory was 87.7 MB in the beginning and 78.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.86 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 78.6 MB in the beginning and 178.1 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.32 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 166.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 184.21 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 158.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...