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/floats-cdfpl/newton_1_8.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:16:39,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:16:39,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:16:39,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:16:39,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:16:39,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:16:39,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:16:39,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:16:39,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:16:39,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:16:39,999 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:16:40,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:16:40,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:16:40,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:16:40,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:16:40,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:16:40,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:16:40,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:16:40,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:16:40,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:16:40,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:16:40,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:16:40,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:16:40,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:16:40,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:16:40,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:16:40,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:16:40,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:16:40,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:16:40,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:16:40,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:16:40,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:16:40,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:16:40,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:16:40,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:16:40,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:16:40,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:16:40,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:16:40,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:16:40,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:16:40,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:16:40,029 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 06:16:40,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:16:40,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:16:40,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:16:40,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:16:40,046 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:16:40,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:16:40,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:16:40,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:16:40,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:16:40,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:16:40,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:16:40,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:16:40,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:16:40,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:16:40,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:16:40,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:16:40,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:16:40,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:16:40,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:16:40,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:16:40,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:16:40,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:16:40,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:16:40,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:16:40,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:16:40,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:16:40,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:16:40,099 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:16:40,099 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:16:40,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2019-08-18 06:16:40,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d8b3499/5ac12d6d83a441ddb1ca3418efef505d/FLAG24812b47b [2019-08-18 06:16:40,660 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:16:40,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2019-08-18 06:16:40,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d8b3499/5ac12d6d83a441ddb1ca3418efef505d/FLAG24812b47b [2019-08-18 06:16:41,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d8b3499/5ac12d6d83a441ddb1ca3418efef505d [2019-08-18 06:16:41,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:16:41,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:16:41,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:41,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:16:41,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:16:41,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29096e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41, skipping insertion in model container [2019-08-18 06:16:41,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,061 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:16:41,078 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:16:41,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:41,253 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:16:41,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:41,285 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:16:41,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41 WrapperNode [2019-08-18 06:16:41,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:41,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:16:41,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:16:41,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:16:41,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:16:41,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:16:41,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:16:41,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:16:41,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (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 06:16:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:16:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:16:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-18 06:16:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-18 06:16:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:16:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:16:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:16:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:16:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-18 06:16:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-18 06:16:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:16:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:16:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:16:41,618 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:16:41,618 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:16:41,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:41 BoogieIcfgContainer [2019-08-18 06:16:41,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:16:41,621 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:16:41,621 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:16:41,621 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:16:41,622 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,651 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:16:41,653 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:16:41,660 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:16:41,668 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:16:41,670 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:16:41,719 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:16:41,748 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:16:41,749 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:16:41,751 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 23#true [2019-08-18 06:16:41,762 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:16:41,763 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:16:41,766 INFO L168 Benchmark]: Toolchain (without parser) took 723.48 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.4 MB in the beginning and 161.0 MB in the end (delta: -74.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:16:41,767 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.50 ms. Allocated memory is still 140.0 MB. Free memory was 86.2 MB in the beginning and 76.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,769 INFO L168 Benchmark]: Boogie Preprocessor took 122.07 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 177.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,770 INFO L168 Benchmark]: RCFGBuilder took 210.75 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 167.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,771 INFO L168 Benchmark]: Symbolic Interpretation took 142.14 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 161.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: 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 23#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.50 ms. Allocated memory is still 140.0 MB. Free memory was 86.2 MB in the beginning and 76.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.07 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 177.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 210.75 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 167.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 142.14 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 161.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...