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/UnreachableAssert.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:41,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:41,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:41,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:41,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:41,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:41,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:41,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:41,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:41,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:41,435 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:41,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:41,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:41,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:41,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:41,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:41,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:41,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:41,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:41,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:41,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:41,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:41,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:41,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:41,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:41,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:41,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:41,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:41,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:41,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:41,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:41,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:41,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:41,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:41,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:41,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:41,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:41,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:41,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:41,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:41,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:41,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:41,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:41,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:41,515 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:41,516 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:41,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl [2019-08-06 16:59:41,517 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl' [2019-08-06 16:59:41,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:41,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:41,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:41,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:41,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:41,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:41,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:41,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:41,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:41,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnreachableAssert.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 16:59:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure meth [2019-08-06 16:59:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure meth [2019-08-06 16:59:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-06 16:59:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-06 16:59:41,859 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:41,859 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:41,861 INFO L202 PluginConnector]: Adding new model UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:41 BoogieIcfgContainer [2019-08-06 16:59:41,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:41,862 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:41,862 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:41,862 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:41,863 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:41" (1/1) ... [2019-08-06 16:59:41,873 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:41,876 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:41,883 INFO L160 IcfgInterpreter]: Initial procedures are [meth] [2019-08-06 16:59:41,891 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:41,892 INFO L185 IcfgInterpreter]: Interpreting procedure meth with input of size 1 [2019-08-06 16:59:41,935 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:41,935 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:41,938 INFO L179 IcfgInterpreter]: Location methErr1ASSERT_VIOLATIONASSERT has predicate 7#false [2019-08-06 16:59:41,938 INFO L179 IcfgInterpreter]: Location methErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= meth_i~1 (- 154)) (= meth_l~1 3) (= meth_j~1 0) (= meth_k~1 0)) [2019-08-06 16:59:41,939 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:41,946 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:41,949 INFO L168 Benchmark]: Toolchain (without parser) took 391.41 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 92.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,951 INFO L168 Benchmark]: Boogie Preprocessor took 46.56 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,953 INFO L168 Benchmark]: RCFGBuilder took 257.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.8 MB in the beginning and 96.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,954 INFO L168 Benchmark]: Symbolic Interpretation took 84.27 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:41,959 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 24]: 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 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.56 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.33 ms. Allocated memory is still 139.5 MB. Free memory was 105.8 MB in the beginning and 96.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 84.27 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...