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/regression/bpl/interprocedural/BugEmptyImplementation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:25,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:25,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:25,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:25,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:25,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:25,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:25,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:25,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:25,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:25,458 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:25,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:25,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:25,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:25,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:25,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:25,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:25,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:25,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:25,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:25,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:25,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:25,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:25,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:25,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:25,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:25,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:25,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:25,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:25,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:25,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:25,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:25,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:25,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:25,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:25,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:25,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:25,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:25,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:25,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:25,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:25,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:25,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:25,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:25,564 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:25,564 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:25,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugEmptyImplementation.bpl [2019-08-05 18:15:25,566 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugEmptyImplementation.bpl' [2019-08-05 18:15:25,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:25,597 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:25,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:25,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:25,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:25,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:25,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:25,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:25,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:25,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:25" (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 18:15:25,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure caller given in one single declaration [2019-08-05 18:15:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure caller [2019-08-05 18:15:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure caller [2019-08-05 18:15:25,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure callee given in one single declaration [2019-08-05 18:15:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-05 18:15:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure callee [2019-08-05 18:15:25,808 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:25,809 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:25,810 INFO L202 PluginConnector]: Adding new model BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:25 BoogieIcfgContainer [2019-08-05 18:15:25,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:25,810 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:25,810 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:25,811 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:25,812 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugEmptyImplementation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:25" (1/1) ... [2019-08-05 18:15:25,823 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:25,826 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:25,833 INFO L160 IcfgInterpreter]: Initial procedures are [caller] [2019-08-05 18:15:25,841 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:25,842 INFO L185 IcfgInterpreter]: Interpreting procedure caller with input of size 1 [2019-08-05 18:15:25,890 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:25,891 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:25,894 INFO L179 IcfgInterpreter]: Location callerErr0ASSERT_VIOLATIONASSERT has predicate 9#true [2019-08-05 18:15:25,895 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:25,905 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:25,909 INFO L168 Benchmark]: Toolchain (without parser) took 310.08 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 93.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:25,911 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:25,913 INFO L168 Benchmark]: Boogie Preprocessor took 33.75 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:25,914 INFO L168 Benchmark]: RCFGBuilder took 178.35 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 97.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:25,916 INFO L168 Benchmark]: Symbolic Interpretation took 95.34 ms. Allocated memory is still 131.1 MB. Free memory was 97.4 MB in the beginning and 93.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:25,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 12]: 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 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.75 ms. Allocated memory is still 131.1 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 178.35 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 97.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 95.34 ms. Allocated memory is still 131.1 MB. Free memory was 97.4 MB in the beginning and 93.4 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...