java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/recursive/regression/bpl/lockingExample-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:52,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:52,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:52,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:52,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:52,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:52,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:52,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:52,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:52,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:52,343 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:52,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:52,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:52,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:52,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:52,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:52,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:52,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:52,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:52,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:52,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:52,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:52,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:52,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:52,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:52,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:52,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:52,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:52,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:52,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:52,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:52,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:52,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:52,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:52,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:52,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:52,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:52,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:52,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:52,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:52,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:52,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:52,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:52,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:52,449 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:52,449 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:52,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/lockingExample-correct.bpl [2019-08-09 14:18:52,450 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/lockingExample-correct.bpl' [2019-08-09 14:18:52,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:52,483 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:52,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:52,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:52,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:52,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:52,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:52,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:52,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:52,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:52,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:52" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:18:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-09 14:18:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-09 14:18:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure lock [2019-08-09 14:18:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lock [2019-08-09 14:18:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure unlock [2019-08-09 14:18:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock [2019-08-09 14:18:52,653 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:18:52,684 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:18:52,690 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:18:52,763 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:52,764 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:18:52,765 INFO L202 PluginConnector]: Adding new model lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:52 BoogieIcfgContainer [2019-08-09 14:18:52,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:52,766 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:52,766 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:52,766 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:52,767 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "lockingExample-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:52" (1/1) ... [2019-08-09 14:18:53,032 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:53,042 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:53,047 INFO L168 Benchmark]: Toolchain (without parser) took 561.32 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 86.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:53,049 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 129.5 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:53,052 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:53,053 INFO L168 Benchmark]: RCFGBuilder took 240.76 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 92.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:53,056 INFO L168 Benchmark]: Symbolic Interpretation took 276.89 ms. Allocated memory is still 129.5 MB. Free memory was 92.8 MB in the beginning and 86.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:53,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 29]: procedure precondition always holds For all program executions holds that procedure precondition always holds at this location - UnprovableResult [Line: 26]: Unable to prove that procedure precondition always holds Unable to prove that procedure precondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 59#(and (not (= 0 lock)) (or (= 0 lock) (and (not (= Main_new Main_auld)) (= Main_new (+ Main_auld 1)) (= 0 lock)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 129.5 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 103.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.76 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 92.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 276.89 ms. Allocated memory is still 129.5 MB. Free memory was 92.8 MB in the beginning and 86.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...