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 0.1.24-4ddfff8 [2019-08-09 14:20:45,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:45,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:46,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:46,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:46,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:46,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:46,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:46,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:46,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:46,010 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:46,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:46,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:46,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:46,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:46,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:46,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:46,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:46,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:46,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:46,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:46,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:46,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:46,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:46,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:46,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:46,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:46,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:46,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:46,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:46,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:46,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:46,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:46,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:46,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:46,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:46,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:46,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:46,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:46,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:46,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:46,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:46,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:46,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:46,080 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:46,080 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:46,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl [2019-08-09 14:20:46,081 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl' [2019-08-09 14:20:46,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:46,111 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:46,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:46,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:46,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:46,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:46,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:46,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:46,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:46,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (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 14:20:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure meth [2019-08-09 14:20:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure meth [2019-08-09 14:20:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-09 14:20:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-09 14:20:46,373 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:46,373 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:46,375 INFO L202 PluginConnector]: Adding new model UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:46 BoogieIcfgContainer [2019-08-09 14:20:46,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:46,376 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:46,376 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:46,376 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:46,377 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,503 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:46,511 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:46,516 INFO L168 Benchmark]: Toolchain (without parser) took 401.38 ms. Allocated memory is still 138.9 MB. Free memory was 110.6 MB in the beginning and 95.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,519 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,520 INFO L168 Benchmark]: Boogie Preprocessor took 49.07 ms. Allocated memory is still 138.9 MB. Free memory was 110.4 MB in the beginning and 108.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,521 INFO L168 Benchmark]: RCFGBuilder took 212.50 ms. Allocated memory is still 138.9 MB. Free memory was 108.4 MB in the beginning and 99.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,523 INFO L168 Benchmark]: Symbolic Interpretation took 135.39 ms. Allocated memory is still 138.9 MB. Free memory was 99.1 MB in the beginning and 95.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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. Predicate is 10#(and (= meth_i~1 (- 154)) (= meth_l~1 3) (= meth_j~1 0) (= meth_k~1 0)). Possible FailurePath: - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.07 ms. Allocated memory is still 138.9 MB. Free memory was 110.4 MB in the beginning and 108.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.50 ms. Allocated memory is still 138.9 MB. Free memory was 108.4 MB in the beginning and 99.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 135.39 ms. Allocated memory is still 138.9 MB. Free memory was 99.1 MB in the beginning and 95.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...