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-b8c145f [2019-08-05 12:07:29,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:07:29,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:07:29,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:07:29,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:07:29,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:07:29,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:07:29,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:07:29,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:07:29,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:07:29,223 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:07:29,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:07:29,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:07:29,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:07:29,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:07:29,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:07:29,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:07:29,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:07:29,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:07:29,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:07:29,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:07:29,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:07:29,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:07:29,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:07:29,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:07:29,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:07:29,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:07:29,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:07:29,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:07:29,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:07:29,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:07:29,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:07:29,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:07:29,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:07:29,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:07:29,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:07:29,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:07:29,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:07:29,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:07:29,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:07:29,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:07:29,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:07:29,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:07:29,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:07:29,315 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:07:29,316 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:07:29,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl [2019-08-05 12:07:29,317 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/UnreachableAssert.bpl' [2019-08-05 12:07:29,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:07:29,346 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:07:29,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:07:29,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:07:29,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:07:29,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:07:29,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:07:29,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:07:29,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:07:29,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:07:29" (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 [2019-08-05 12:07:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure meth [2019-08-05 12:07:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure meth [2019-08-05 12:07:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-05 12:07:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-05 12:07:29,732 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:07:29,732 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:07:29,734 INFO L202 PluginConnector]: Adding new model UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:29 BoogieIcfgContainer [2019-08-05 12:07:29,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:07:29,734 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:07:29,734 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:07:29,735 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:07:29,737 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnreachableAssert.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:07:29" (1/1) ... [2019-08-05 12:07:29,748 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 12:07:29,750 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:07:29,757 INFO L160 IcfgInterpreter]: Initial procedures are [meth] [2019-08-05 12:07:29,766 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:07:29,767 INFO L184 IcfgInterpreter]: Interpreting procedure meth with input of size 1 [2019-08-05 12:07:29,902 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:07:29,903 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:07:29,910 INFO L178 IcfgInterpreter]: Location methErr1ASSERT_VIOLATIONASSERT has predicate 7#false [2019-08-05 12:07:29,913 INFO L178 IcfgInterpreter]: Location methErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= meth_i~1 (- 154)) (= meth_l~1 3) (= meth_j~1 0) (= meth_k~1 0)) [2019-08-05 12:07:29,927 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:07:29,931 INFO L168 Benchmark]: Toolchain (without parser) took 582.30 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 94.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:29,939 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:07:29,941 INFO L168 Benchmark]: Boogie Preprocessor took 40.34 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:29,942 INFO L168 Benchmark]: RCFGBuilder took 346.07 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 99.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:29,944 INFO L168 Benchmark]: Symbolic Interpretation took 192.68 ms. Allocated memory is still 133.2 MB. Free memory was 99.5 MB in the beginning and 94.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:07:29,955 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 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.34 ms. Allocated memory is still 133.2 MB. Free memory was 110.6 MB in the beginning and 108.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.07 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 99.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 192.68 ms. Allocated memory is still 133.2 MB. Free memory was 99.5 MB in the beginning and 94.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...