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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:56,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:56,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:56,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:56,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:56,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:56,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:56,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:56,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:56,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:56,387 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:56,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:56,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:56,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:56,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:56,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:56,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:56,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:56,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:56,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:56,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:56,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:56,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:56,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:56,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:56,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:01:56,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:01:56,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:01:56,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:01:56,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:01:56,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:01:56,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:01:56,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:01:56,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:56,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:56,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:56,415 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 10:01:56,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:56,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:56,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:56,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:56,432 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:56,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:56,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:56,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:56,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:56,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:56,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:56,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:56,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:56,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:56,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:56,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:56,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:56,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:56,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:56,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:56,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:56,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:56,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:56,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:56,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:56,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:56,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:56,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:56,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:56,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:56,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:56,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:56,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:56,484 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:56,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label28.c [2019-08-08 10:01:56,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f689dfc84/f9ea9d5b59fb41a9bd5928c54f4ff77b/FLAG46fe1f9ec [2019-08-08 10:01:57,186 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:57,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label28.c [2019-08-08 10:01:57,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f689dfc84/f9ea9d5b59fb41a9bd5928c54f4ff77b/FLAG46fe1f9ec [2019-08-08 10:01:57,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f689dfc84/f9ea9d5b59fb41a9bd5928c54f4ff77b [2019-08-08 10:01:57,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:57,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:57,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:57,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:57,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:57,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:57" (1/1) ... [2019-08-08 10:01:57,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b66542c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:57, skipping insertion in model container [2019-08-08 10:01:57,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:57" (1/1) ... [2019-08-08 10:01:57,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:57,473 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:58,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:58,209 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:58,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:58,707 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58 WrapperNode [2019-08-08 10:01:58,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:58,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:58,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:58,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:58,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (1/1) ... [2019-08-08 10:01:58,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:58,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:58,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:58,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:58,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:58" (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 10:01:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:02:03,284 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:02:03,287 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:02:03,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:03 BoogieIcfgContainer [2019-08-08 10:02:03,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:02:03,291 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:02:03,291 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:02:03,292 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:02:03,293 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:02:03" (1/1) ... [2019-08-08 10:02:03,311 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:02:03,319 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:02:03,336 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:02:03,343 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:02:03,344 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:02:03,407 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:02:06,692 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:02:07,163 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:02:07,163 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:02:07,166 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 59926#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= 0 ~a3~0) (not (= ~a12~0 1)) (not (= 1 ~a6~0)) (not (= ~a11~0 1))) [2019-08-08 10:02:07,167 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:02:07,175 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:07,178 INFO L168 Benchmark]: Toolchain (without parser) took 9814.55 ms. Allocated memory was 131.6 MB in the beginning and 454.6 MB in the end (delta: 323.0 MB). Free memory was 81.7 MB in the beginning and 129.3 MB in the end (delta: -47.6 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:07,180 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 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 10:02:07,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1342.33 ms. Allocated memory was 131.6 MB in the beginning and 219.7 MB in the end (delta: 88.1 MB). Free memory was 81.5 MB in the beginning and 166.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:07,183 INFO L168 Benchmark]: Boogie Preprocessor took 178.85 ms. Allocated memory is still 219.7 MB. Free memory was 166.3 MB in the beginning and 154.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:07,185 INFO L168 Benchmark]: RCFGBuilder took 4402.15 ms. Allocated memory was 219.7 MB in the beginning and 278.9 MB in the end (delta: 59.2 MB). Free memory was 154.9 MB in the beginning and 80.9 MB in the end (delta: 74.0 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:07,187 INFO L168 Benchmark]: Symbolic Interpretation took 3883.99 ms. Allocated memory was 278.9 MB in the beginning and 454.6 MB in the end (delta: 175.6 MB). Free memory was 80.9 MB in the beginning and 129.3 MB in the end (delta: -48.4 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:07,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1491]: 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 131.6 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 1342.33 ms. Allocated memory was 131.6 MB in the beginning and 219.7 MB in the end (delta: 88.1 MB). Free memory was 81.5 MB in the beginning and 166.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.85 ms. Allocated memory is still 219.7 MB. Free memory was 166.3 MB in the beginning and 154.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4402.15 ms. Allocated memory was 219.7 MB in the beginning and 278.9 MB in the end (delta: 59.2 MB). Free memory was 154.9 MB in the beginning and 80.9 MB in the end (delta: 74.0 MB). Peak memory consumption was 133.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3883.99 ms. Allocated memory was 278.9 MB in the beginning and 454.6 MB in the end (delta: 175.6 MB). Free memory was 80.9 MB in the beginning and 129.3 MB in the end (delta: -48.4 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...