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/openBugs/TestOldVar-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:41,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:41,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:41,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:41,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:41,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:41,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:41,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:41,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:41,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:41,318 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:41,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:41,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:41,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:41,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:41,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:41,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:41,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:41,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:41,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:41,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:41,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:41,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:41,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:41,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:41,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:41,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:41,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:41,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:41,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:41,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:41,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:41,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:41,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:41,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:41,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:41,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:41,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:41,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:41,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:41,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:41,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:41,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:41,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:41,397 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:41,398 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:41,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/TestOldVar-safe.bpl [2019-08-06 16:59:41,399 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/TestOldVar-safe.bpl' [2019-08-06 16:59:41,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:41,434 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:41,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:41,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:41,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:41,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:41,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:41,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:41,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:41,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (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 16:59:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:59:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:59:41,658 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:41,659 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:41,660 INFO L202 PluginConnector]: Adding new model TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:41 BoogieIcfgContainer [2019-08-06 16:59:41,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:41,661 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:41,661 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:41,661 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:41,662 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,673 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:41,675 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:41,682 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:59:41,690 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:41,691 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:59:41,770 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:41,771 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:41,774 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(not (= (+ |old(g)| 1) g)) [2019-08-06 16:59:41,775 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:41,782 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:41,785 INFO L168 Benchmark]: Toolchain (without parser) took 350.57 ms. Allocated memory is still 133.2 MB. Free memory was 109.8 MB in the beginning and 94.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,788 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,789 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,790 INFO L168 Benchmark]: RCFGBuilder took 186.91 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 99.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,791 INFO L168 Benchmark]: Symbolic Interpretation took 121.66 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.76 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 186.91 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 99.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 121.66 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...