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/loop-acceleration/simple_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:24:15,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:24:15,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:24:15,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:24:15,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:24:15,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:24:15,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:24:15,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:24:15,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:24:15,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:24:15,905 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:24:15,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:24:15,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:24:15,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:24:15,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:24:15,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:24:15,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:24:15,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:24:15,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:24:15,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:24:15,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:24:15,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:24:15,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:24:15,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:24:15,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:24:15,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:24:15,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:24:15,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:24:15,942 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 [2019-08-10 02:24:15,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:24:15,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:24:15,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:24:15,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:24:15,976 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:24:15,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:24:15,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:24:15,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:24:15,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:24:15,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:24:15,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:24:15,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:24:15,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:24:15,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:24:15,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:24:15,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:24:15,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:24:15,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:24:15,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:24:15,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:24:15,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:24:15,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:24:15,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:24:15,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:24:15,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:24:15,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:24:15,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:24:15,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:24:15,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:24:16,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:24:16,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:24:16,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:24:16,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:24:16,051 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:24:16,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_1-1.c [2019-08-10 02:24:16,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751ca20ec/656df98bdcfd4003819c056857679da9/FLAG363329d3a [2019-08-10 02:24:16,562 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:24:16,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_1-1.c [2019-08-10 02:24:16,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751ca20ec/656df98bdcfd4003819c056857679da9/FLAG363329d3a [2019-08-10 02:24:16,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751ca20ec/656df98bdcfd4003819c056857679da9 [2019-08-10 02:24:16,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:24:16,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:24:16,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:16,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:24:16,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:24:16,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5ba858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16, skipping insertion in model container [2019-08-10 02:24:16,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:24:17,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:24:17,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:17,214 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:24:17,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:17,253 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:24:17,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17 WrapperNode [2019-08-10 02:24:17,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:17,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:24:17,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:24:17,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:24:17,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:24:17,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:24:17,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:24:17,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:24:17,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:17" (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 [2019-08-10 02:24:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:24:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:24:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:24:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:24:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:24:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:24:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:24:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:24:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:24:17,599 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:24:17,600 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:24:17,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:17 BoogieIcfgContainer [2019-08-10 02:24:17,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:24:17,602 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:24:17,602 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:24:17,602 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:24:17,603 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:17" (1/1) ... [2019-08-10 02:24:17,764 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:24:17,771 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:24:17,774 INFO L168 Benchmark]: Toolchain (without parser) took 791.48 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 160.0 MB in the end (delta: -73.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:17,775 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.13 ms. Allocated memory is still 140.0 MB. Free memory was 86.4 MB in the beginning and 77.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,778 INFO L168 Benchmark]: Boogie Preprocessor took 125.66 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.3 MB in the beginning and 177.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,779 INFO L168 Benchmark]: RCFGBuilder took 219.87 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 167.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,780 INFO L168 Benchmark]: Symbolic Interpretation took 169.22 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 160.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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. Predicate is 34#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int)) (or (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= |__VERIFIER_assert_#in~cond| (+ (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) (- 4294967296))) (not (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (and (= |__VERIFIER_assert_#in~cond| (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)))) (= 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 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.13 ms. Allocated memory is still 140.0 MB. Free memory was 86.4 MB in the beginning and 77.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.66 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.3 MB in the beginning and 177.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 219.87 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 167.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 169.22 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 160.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...