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-benchs/zonotope_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:18:40,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:18:40,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:18:40,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:18:40,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:18:40,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:18:40,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:18:40,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:18:40,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:18:40,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:18:40,339 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:18:40,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:18:40,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:18:40,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:18:40,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:18:40,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:18:40,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:18:40,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:18:40,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:18:40,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:18:40,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:18:40,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:18:40,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:18:40,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:18:40,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:18:40,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:18:40,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:18:40,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:18:40,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:18:40,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:18:40,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:18:40,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:18:40,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:18:40,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:18:40,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:18:40,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:18:40,381 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 06:18:40,405 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:18:40,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:18:40,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:18:40,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:18:40,409 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:18:40,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:18:40,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:18:40,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:18:40,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:18:40,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:18:40,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:18:40,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:18:40,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:18:40,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:18:40,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:18:40,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:18:40,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:18:40,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:18:40,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:18:40,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:18:40,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:18:40,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:18:40,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:18:40,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:18:40,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:18:40,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:18:40,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:18:40,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:18:40,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:18:40,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:18:40,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:18:40,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:18:40,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:18:40,481 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:18:40,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_tight.c [2019-08-18 06:18:40,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ee10572/9972ca2555014102b62d6f96b9bad609/FLAGcf168a59d [2019-08-18 06:18:40,982 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:18:40,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_tight.c [2019-08-18 06:18:40,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ee10572/9972ca2555014102b62d6f96b9bad609/FLAGcf168a59d [2019-08-18 06:18:41,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ee10572/9972ca2555014102b62d6f96b9bad609 [2019-08-18 06:18:41,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:18:41,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:18:41,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:41,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:18:41,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:18:41,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ed9f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41, skipping insertion in model container [2019-08-18 06:18:41,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,396 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:18:41,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:18:41,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:41,611 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:18:41,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:41,643 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:18:41,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41 WrapperNode [2019-08-18 06:18:41,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:41,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:18:41,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:18:41,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:18:41,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:18:41,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:18:41,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:18:41,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:18:41,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:41" (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 06:18:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:18:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:18:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:18:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:18:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:18:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:18:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:18:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:18:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:18:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:18:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:18:41,959 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:18:41,960 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:18:41,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:41 BoogieIcfgContainer [2019-08-18 06:18:41,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:18:41,961 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:18:41,961 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:18:41,962 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:18:41,963 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:41" (1/1) ... [2019-08-18 06:18:41,980 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:18:41,987 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:18:41,997 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:18:42,006 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:18:42,009 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:18:42,054 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:18:42,068 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 06:18:42,072 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:18:42,073 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:18:42,075 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 18#(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 06:18:42,085 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:18:42,085 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:18:42,088 INFO L168 Benchmark]: Toolchain (without parser) took 706.72 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 159.5 MB in the end (delta: -71.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:18:42,089 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:18:42,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.14 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 79.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:42,092 INFO L168 Benchmark]: Boogie Preprocessor took 113.59 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 175.2 MB in the end (delta: -96.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:42,095 INFO L168 Benchmark]: RCFGBuilder took 202.67 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 164.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:42,097 INFO L168 Benchmark]: Symbolic Interpretation took 124.01 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 159.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:42,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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 18#(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 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.14 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 79.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.59 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 79.1 MB in the beginning and 175.2 MB in the end (delta: -96.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 202.67 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 164.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.01 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 159.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...