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/toy/showcase/LockingExample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:05,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:05,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:05,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:05,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:05,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:05,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:05,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:05,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:05,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:05,499 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:05,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:05,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:05,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:05,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:05,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:05,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:05,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:05,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:05,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:05,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:05,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:05,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:05,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:05,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:05,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:05,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:05,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:05,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:05,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:05,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:05,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:05,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:05,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:05,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:05,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:05,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:05,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:05,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:05,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:05,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:05,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:05,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:05,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:05,578 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:05,578 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:05,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/showcase/LockingExample.bpl [2019-08-06 16:54:05,580 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/showcase/LockingExample.bpl' [2019-08-06 16:54:05,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:05,613 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:05,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:05,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:05,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:05,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (1/1) ... [2019-08-06 16:54:05,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:05,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:05,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:05,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:05,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:05" (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 [2019-08-06 16:54:05,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure lockingEx given in one single declaration [2019-08-06 16:54:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure lockingEx [2019-08-06 16:54:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lockingEx [2019-08-06 16:54:06,031 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:06,031 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:54:06,033 INFO L202 PluginConnector]: Adding new model LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:06 BoogieIcfgContainer [2019-08-06 16:54:06,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:06,033 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:06,033 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:06,034 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:06,034 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:06" (1/1) ... [2019-08-06 16:54:06,045 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:06,048 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:06,055 INFO L160 IcfgInterpreter]: Initial procedures are [lockingEx] [2019-08-06 16:54:06,063 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:06,065 INFO L185 IcfgInterpreter]: Interpreting procedure lockingEx with input of size 1 [2019-08-06 16:54:06,121 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:06,121 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:06,126 INFO L179 IcfgInterpreter]: Location lockingExErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (or (and (= (+ lockingEx_auld 1) lockingEx_new) (= lockingEx_L 0)) (and (= lockingEx_L 1) (= lockingEx_auld lockingEx_new))) (not (= lockingEx_auld lockingEx_new)) (= lockingEx_L 1)) [2019-08-06 16:54:06,128 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:06,139 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:06,142 INFO L168 Benchmark]: Toolchain (without parser) took 527.66 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 90.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:06,144 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:06,145 INFO L168 Benchmark]: Boogie Preprocessor took 39.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:06,148 INFO L168 Benchmark]: RCFGBuilder took 378.55 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:06,149 INFO L168 Benchmark]: Symbolic Interpretation took 105.61 ms. Allocated memory is still 139.5 MB. Free memory was 95.2 MB in the beginning and 90.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:06,154 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion always holds 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: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.98 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 378.55 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 105.61 ms. Allocated memory is still 139.5 MB. Free memory was 95.2 MB in the beginning and 90.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...