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/ldv-regression/mutex_lock_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:58:59,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:58:59,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:58:59,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:58:59,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:58:59,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:58:59,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:58:59,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:58:59,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:58:59,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:58:59,431 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:58:59,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:58:59,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:58:59,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:58:59,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:58:59,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:58:59,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:58:59,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:58:59,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:58:59,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:58:59,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:58:59,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:58:59,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:58:59,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:58:59,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:58:59,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:58:59,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:58:59,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:58:59,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:58:59,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:58:59,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:58:59,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:58:59,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:58:59,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:58:59,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:58:59,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:58:59,461 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 01:58:59,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:58:59,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:58:59,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:58:59,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:58:59,482 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:58:59,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:58:59,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:58:59,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:58:59,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:58:59,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:58:59,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:58:59,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:58:59,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:58:59,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:58:59,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:58:59,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:58:59,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:58:59,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:58:59,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:58:59,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:58:59,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:58:59,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:58:59,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:58:59,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:58:59,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:58:59,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:58:59,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:58:59,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:58:59,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:58:59,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:58:59,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:58:59,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:58:59,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:58:59,555 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:58:59,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-10 01:58:59,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826241f4/ebe8ffb1d20c49fea9aa0b564d821918/FLAGb17e5b82d [2019-08-10 01:59:00,030 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:59:00,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-10 01:59:00,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826241f4/ebe8ffb1d20c49fea9aa0b564d821918/FLAGb17e5b82d [2019-08-10 01:59:00,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826241f4/ebe8ffb1d20c49fea9aa0b564d821918 [2019-08-10 01:59:00,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:59:00,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:59:00,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:59:00,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:59:00,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:59:00,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f06b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00, skipping insertion in model container [2019-08-10 01:59:00,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:59:00,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:59:00,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:59:00,662 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:59:00,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:59:00,689 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:59:00,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00 WrapperNode [2019-08-10 01:59:00,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:59:00,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:59:00,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:59:00,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:59:00,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (1/1) ... [2019-08-10 01:59:00,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:59:00,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:59:00,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:59:00,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:59:00,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:59:00" (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 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-10 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-10 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-10 01:59:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:59:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:59:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-10 01:59:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:59:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:59:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:59:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:59:01,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:59:01,096 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 01:59:01,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:59:01 BoogieIcfgContainer [2019-08-10 01:59:01,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:59:01,099 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:59:01,099 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:59:01,108 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:59:01,109 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:59:01" (1/1) ... [2019-08-10 01:59:01,682 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:59:01,692 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:59:01,696 INFO L168 Benchmark]: Toolchain (without parser) took 1241.58 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 124.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,698 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.91 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 78.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,703 INFO L168 Benchmark]: Boogie Preprocessor took 114.82 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 176.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,704 INFO L168 Benchmark]: RCFGBuilder took 292.80 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 162.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,705 INFO L168 Benchmark]: Symbolic Interpretation took 593.40 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 124.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:59:01,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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#(exists ((v_prenex_1 Int) (v_mutex_lock_~a.base_BEFORE_CALL_1 Int)) (or (and (= (select (select |#memory_int| v_prenex_1) 0) 0) (= 1 (select |#valid| v_prenex_1)) (= 0 |#NULL.base|) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (= (select (select |#memory_int| v_prenex_1) 0) 1) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (< v_mutex_lock_~a.base_BEFORE_CALL_1 |#StackHeapBarrier|) (= (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_1) 0) 1) (= (select |#length| v_mutex_lock_~a.base_BEFORE_CALL_1) 4) (= 0 |#NULL.base|) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_1)) (= |#NULL.offset| 0)))). 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 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.91 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 78.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.82 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.7 MB in the beginning and 176.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.80 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 162.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 593.40 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 124.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...