java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:08:40,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:08:40,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:08:40,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:08:40,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:08:40,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:08:40,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:08:40,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:08:40,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:08:40,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:08:40,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:08:40,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:08:40,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:08:40,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:08:40,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:08:40,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:08:40,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:08:40,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:08:40,857 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:08:40,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:08:40,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:08:40,858 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:08:40,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:08:40,859 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:08:40,859 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:08:40,860 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:08:40,860 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:08:40,860 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:08:40,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:08:40,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:08:40,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:08:40,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:08:40,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:08:40,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:08:40,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:08:40,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:08:40,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:08:40,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:08:40,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:08:40,863 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:08:40,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:08:40,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:08:40,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:08:40,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:08:40,864 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:08:40,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:08:40,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:08:40,865 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:08:40,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:08:40,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:08:40,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:08:40,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:08:40,911 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:08:40,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-11 16:08:40,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb5e4011/76e3eacdb6a5448fbdb08ee5249c33fc/FLAGc912f1af7 [2019-09-11 16:08:41,408 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:08:41,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-11 16:08:41,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb5e4011/76e3eacdb6a5448fbdb08ee5249c33fc/FLAGc912f1af7 [2019-09-11 16:08:41,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb5e4011/76e3eacdb6a5448fbdb08ee5249c33fc [2019-09-11 16:08:41,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:08:41,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:08:41,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:41,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:08:41,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:08:41,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:41" (1/1) ... [2019-09-11 16:08:41,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fd16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:41, skipping insertion in model container [2019-09-11 16:08:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:41" (1/1) ... [2019-09-11 16:08:41,790 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:08:41,814 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:08:42,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:42,065 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:08:42,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:42,099 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:08:42,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42 WrapperNode [2019-09-11 16:08:42,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:42,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:08:42,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:08:42,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:08:42,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:08:42,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:08:42,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:08:42,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:08:42,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:42" (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 [2019-09-11 16:08:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:08:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-11 16:08:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-11 16:08:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:08:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:08:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-11 16:08:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:08:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-11 16:08:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-11 16:08:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:08:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:08:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:08:42,649 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:08:42,649 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:08:42,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:42 BoogieIcfgContainer [2019-09-11 16:08:42,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:08:42,651 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:08:42,651 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:08:42,652 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:08:42,652 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:42" (1/1) ... [2019-09-11 16:08:42,682 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:08:43,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:08:43,039 INFO L272 AbstractInterpreter]: Visited 86 different actions 298 times. Merged at 29 different actions 106 times. Widened at 2 different actions 3 times. Performed 486 root evaluator evaluations with a maximum evaluation depth of 5. Performed 486 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 54 fixpoints after 16 different actions. Largest state had 17 variables. [2019-09-11 16:08:43,040 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:08:43,042 INFO L168 Benchmark]: Toolchain (without parser) took 1268.24 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 90.7 MB in the beginning and 141.6 MB in the end (delta: -50.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,043 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.36 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 80.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,045 INFO L168 Benchmark]: Boogie Preprocessor took 132.64 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 80.3 MB in the beginning and 177.8 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,046 INFO L168 Benchmark]: RCFGBuilder took 417.76 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 158.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,047 INFO L168 Benchmark]: Abstract Interpretation took 388.61 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 141.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:43,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 325.36 ms. Allocated memory is still 142.6 MB. Free memory was 90.2 MB in the beginning and 80.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.64 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 80.3 MB in the beginning and 177.8 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 417.76 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 158.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 388.61 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 141.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L9] int ldv_mutex = 1; [L11] int open_called = 0; [L74] int ldv_s_misc_fops_file_operations = 0; [L75] CALL my_init() [L69] open_called = 0 [L70] return 0; [L75] RET my_init() [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L81] COND TRUE ldv_s_misc_fops_file_operations==0 [L82] CALL misc_open() [L57] COND TRUE __VERIFIER_nondet_int() [L59] return 1; [L82] RET misc_open() [L83] ldv_s_misc_fops_file_operations++ [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L89] COND TRUE ldv_s_misc_fops_file_operations==1 [L90] CALL misc_read() [L52] return 0; [L90] RET misc_read() [L91] ldv_s_misc_fops_file_operations++ [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L96] case 2: [L97] COND TRUE ldv_s_misc_fops_file_operations==2 [L98] CALL misc_llseek() [L48] return 0; [L98] RET misc_llseek() [L99] ldv_s_misc_fops_file_operations++ [L76] COND TRUE __VERIFIER_nondet_int() [L80] case 0: [L88] case 1: [L96] case 2: [L104] case 3: [L105] COND TRUE ldv_s_misc_fops_file_operations==3 [L106] CALL misc_release() [L34] COND FALSE !(\read(open_called)) [L41] CALL mutex_lock() [L16] (ldv_mutex == 1) ? 0 : __blast_assert() [L17] ldv_mutex = 2 [L41] RET mutex_lock() [L42] CALL mutex_lock() [L16] (ldv_mutex == 1) ? 0 : __blast_assert() [L16] CALL __blast_assert() [L4] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...