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/systemc/mem_slave_tlm.3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 22:26:57,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 22:26:57,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 22:26:57,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 22:26:57,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 22:26:57,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 22:26:57,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 22:26:57,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 22:26:57,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 22:26:57,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 22:26:57,421 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 22:26:57,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 22:26:57,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 22:26:57,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 22:26:57,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 22:26:57,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 22:26:57,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 22:26:57,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 22:26:57,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 22:26:57,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 22:26:57,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 22:26:57,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 22:26:57,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 22:26:57,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 22:26:57,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 22:26:57,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 22:26:57,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 22:26:57,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 22:26:57,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 22:26:57,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 22:26:57,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 22:26:57,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 22:26:57,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 22:26:57,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 22:26:57,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 22:26:57,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 22:26:57,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 22:26:57,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 22:26:57,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 22:26:57,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 22:26:57,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 22:26:57,451 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 [2019-08-14 22:26:57,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 22:26:57,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 22:26:57,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 22:26:57,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 22:26:57,482 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 22:26:57,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 22:26:57,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 22:26:57,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 22:26:57,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 22:26:57,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 22:26:57,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 22:26:57,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 22:26:57,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 22:26:57,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 22:26:57,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 22:26:57,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 22:26:57,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 22:26:57,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 22:26:57,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 22:26:57,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 22:26:57,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 22:26:57,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 22:26:57,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 22:26:57,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 22:26:57,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 22:26:57,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 22:26:57,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 22:26:57,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 22:26:57,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 22:26:57,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 22:26:57,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 22:26:57,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 22:26:57,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 22:26:57,540 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 22:26:57,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/mem_slave_tlm.3.cil.c [2019-08-14 22:26:57,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5143b5a/1b495fdbfcfa4fa8912967d53851c26e/FLAG89a7078be [2019-08-14 22:26:58,128 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 22:26:58,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/mem_slave_tlm.3.cil.c [2019-08-14 22:26:58,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5143b5a/1b495fdbfcfa4fa8912967d53851c26e/FLAG89a7078be [2019-08-14 22:26:58,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5143b5a/1b495fdbfcfa4fa8912967d53851c26e [2019-08-14 22:26:58,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 22:26:58,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 22:26:58,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 22:26:58,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 22:26:58,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 22:26:58,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:26:58" (1/1) ... [2019-08-14 22:26:58,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460bbcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:58, skipping insertion in model container [2019-08-14 22:26:58,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:26:58" (1/1) ... [2019-08-14 22:26:58,425 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 22:26:58,486 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 22:26:58,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 22:26:58,781 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 22:26:58,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 22:26:59,012 INFO L192 MainTranslator]: Completed translation [2019-08-14 22:26:59,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59 WrapperNode [2019-08-14 22:26:59,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 22:26:59,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 22:26:59,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 22:26:59,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 22:26:59,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (1/1) ... [2019-08-14 22:26:59,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 22:26:59,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 22:26:59,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 22:26:59,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 22:26:59,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:26:59" (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 [2019-08-14 22:26:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 22:26:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 22:26:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-08-14 22:26:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure s_memory_read [2019-08-14 22:26:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure s_memory_write [2019-08-14 22:26:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure m_run [2019-08-14 22:26:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure s_run [2019-08-14 22:26:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-14 22:26:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-08-14 22:26:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 22:26:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 22:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 22:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-08-14 22:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure s_memory_read [2019-08-14 22:26:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure s_memory_write [2019-08-14 22:26:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure m_run [2019-08-14 22:26:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure s_run [2019-08-14 22:26:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-14 22:26:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-08-14 22:26:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 22:26:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 22:26:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 22:27:00,238 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 22:27:00,238 INFO L283 CfgBuilder]: Removed 13 assume(true) statements. [2019-08-14 22:27:00,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:27:00 BoogieIcfgContainer [2019-08-14 22:27:00,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 22:27:00,241 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 22:27:00,241 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 22:27:00,241 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 22:27:00,242 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:27:00" (1/1) ... [2019-08-14 22:29:12,662 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 22:29:12,665 INFO L168 Benchmark]: Toolchain (without parser) took 134254.03 ms. Allocated memory was 134.2 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 88.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,666 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.01 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 171.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,668 INFO L168 Benchmark]: Boogie Preprocessor took 115.16 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 167.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,669 INFO L168 Benchmark]: RCFGBuilder took 1112.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 87.9 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,670 INFO L168 Benchmark]: Symbolic Interpretation took 132421.62 ms. Allocated memory was 201.3 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 87.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. [2019-08-14 22:29:12,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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 13938244#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 602.01 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 171.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.16 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 167.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1112.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 87.9 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 132421.62 ms. Allocated memory was 201.3 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 87.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...