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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:18,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:18,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:18,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:18,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:18,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:18,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:18,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:18,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:18,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:18,165 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:18,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:18,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:18,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:18,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:18,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:18,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:18,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:18,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:18,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:18,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:18,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:18,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:18,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:18,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:18,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:01:18,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:01:18,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:01:18,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:01:18,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:01:18,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:01:18,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:01:18,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:01:18,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:18,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:18,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:18,190 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 10:01:18,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:18,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:18,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:18,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:18,206 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:18,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:18,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:18,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:18,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:18,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:18,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:18,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:18,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:18,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:18,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:18,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:18,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:18,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:18,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:18,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:18,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:18,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:18,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:18,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:18,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:18,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:18,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:18,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:18,254 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:18,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label05.c [2019-08-08 10:01:18,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6989a110f/d6fa9fb940ef4348bbf0478c8a6ee85f/FLAGb6916d485 [2019-08-08 10:01:18,945 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:18,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label05.c [2019-08-08 10:01:18,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6989a110f/d6fa9fb940ef4348bbf0478c8a6ee85f/FLAGb6916d485 [2019-08-08 10:01:19,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6989a110f/d6fa9fb940ef4348bbf0478c8a6ee85f [2019-08-08 10:01:19,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:19,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:19,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:19,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:19,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:19,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:19" (1/1) ... [2019-08-08 10:01:19,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a426b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:19, skipping insertion in model container [2019-08-08 10:01:19,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:19" (1/1) ... [2019-08-08 10:01:19,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:19,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:19,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:20,061 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:20,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:20,396 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:20,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20 WrapperNode [2019-08-08 10:01:20,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:20,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:20,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:20,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:20,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (1/1) ... [2019-08-08 10:01:20,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:20,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:20,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:20,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:20,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:20" (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 10:01:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:01:25,135 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:01:25,135 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:01:25,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:25 BoogieIcfgContainer [2019-08-08 10:01:25,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:01:25,142 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:01:25,142 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:01:25,143 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:01:25,144 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:25" (1/1) ... [2019-08-08 10:01:25,161 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:01:25,172 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:01:25,191 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:01:25,199 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:01:25,201 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:01:25,299 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:01:28,074 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:01:28,509 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:01:28,510 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:01:28,512 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 60363#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (= 0 ~a3~0) (= ~a11~0 1) (= ~a26~0 1)) [2019-08-08 10:01:28,513 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:01:28,521 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:01:28,524 INFO L168 Benchmark]: Toolchain (without parser) took 9370.98 ms. Allocated memory was 136.3 MB in the beginning and 413.7 MB in the end (delta: 277.3 MB). Free memory was 84.2 MB in the beginning and 342.7 MB in the end (delta: -258.5 MB). Peak memory consumption was 283.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,525 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1244.90 ms. Allocated memory was 136.3 MB in the beginning and 226.5 MB in the end (delta: 90.2 MB). Free memory was 83.9 MB in the beginning and 174.3 MB in the end (delta: -90.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,527 INFO L168 Benchmark]: Boogie Preprocessor took 173.60 ms. Allocated memory is still 226.5 MB. Free memory was 174.3 MB in the beginning and 162.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,528 INFO L168 Benchmark]: RCFGBuilder took 4568.79 ms. Allocated memory was 226.5 MB in the beginning and 273.2 MB in the end (delta: 46.7 MB). Free memory was 162.7 MB in the beginning and 236.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,529 INFO L168 Benchmark]: Symbolic Interpretation took 3379.40 ms. Allocated memory was 273.2 MB in the beginning and 413.7 MB in the end (delta: 140.5 MB). Free memory was 236.5 MB in the beginning and 342.7 MB in the end (delta: -106.2 MB). Peak memory consumption was 299.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:28,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1509]: 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 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1244.90 ms. Allocated memory was 136.3 MB in the beginning and 226.5 MB in the end (delta: 90.2 MB). Free memory was 83.9 MB in the beginning and 174.3 MB in the end (delta: -90.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.60 ms. Allocated memory is still 226.5 MB. Free memory was 174.3 MB in the beginning and 162.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4568.79 ms. Allocated memory was 226.5 MB in the beginning and 273.2 MB in the end (delta: 46.7 MB). Free memory was 162.7 MB in the beginning and 236.5 MB in the end (delta: -73.8 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3379.40 ms. Allocated memory was 273.2 MB in the beginning and 413.7 MB in the end (delta: 140.5 MB). Free memory was 236.5 MB in the beginning and 342.7 MB in the end (delta: -106.2 MB). Peak memory consumption was 299.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...