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/BoogiePL/schaetzc/backtranslation/DirectReturn.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:47:03,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:47:03,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:47:03,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:47:03,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:47:03,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:47:03,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:47:03,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:47:03,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:47:03,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:47:03,632 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:47:03,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:47:03,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:47:03,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:47:03,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:47:03,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:47:03,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:47:03,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:47:03,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:47:03,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:47:03,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:47:03,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:47:03,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:47:03,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:47:03,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:47:03,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:47:03,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:47:03,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:47:03,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:47:03,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:47:03,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:47:03,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:47:03,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:47:03,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:47:03,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:47:03,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:47:03,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:47:03,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:47:03,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:47:03,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:47:03,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:47:03,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:47:03,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:47:03,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:47:03,709 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:47:03,710 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:47:03,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/DirectReturn.bpl [2019-08-06 16:47:03,711 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/DirectReturn.bpl' [2019-08-06 16:47:03,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:47:03,740 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:47:03,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:47:03,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:47:03,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:47:03,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:47:03,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:47:03,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (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 16:47:03,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure a given in one single declaration [2019-08-06 16:47:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure a [2019-08-06 16:47:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2019-08-06 16:47:03,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bb given in one single declaration [2019-08-06 16:47:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure bb [2019-08-06 16:47:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bb [2019-08-06 16:47:03,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure b given in one single declaration [2019-08-06 16:47:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure b [2019-08-06 16:47:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure b [2019-08-06 16:47:04,038 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:47:04,038 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:47:04,040 INFO L202 PluginConnector]: Adding new model DirectReturn.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:04 BoogieIcfgContainer [2019-08-06 16:47:04,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:47:04,040 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:47:04,040 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:47:04,041 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:47:04,042 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DirectReturn.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,053 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:47:04,056 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:47:04,063 INFO L160 IcfgInterpreter]: Initial procedures are [a, bb, b] [2019-08-06 16:47:04,071 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:47:04,073 INFO L185 IcfgInterpreter]: Interpreting procedure a with input of size 1 [2019-08-06 16:47:04,134 INFO L185 IcfgInterpreter]: Interpreting procedure bb with input of size 1 [2019-08-06 16:47:04,135 INFO L185 IcfgInterpreter]: Interpreting procedure b with input of size 1 [2019-08-06 16:47:04,136 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:47:04,136 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:47:04,139 INFO L179 IcfgInterpreter]: Location aErr0ASSERT_VIOLATIONASSERT has predicate 14#true [2019-08-06 16:47:04,140 INFO L179 IcfgInterpreter]: Location bErr0ASSERT_VIOLATIONASSERT has predicate 26#false [2019-08-06 16:47:04,142 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:47:04,150 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:47:04,153 INFO L168 Benchmark]: Toolchain (without parser) took 411.18 ms. Allocated memory is still 134.2 MB. Free memory was 110.8 MB in the beginning and 95.3 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,155 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,157 INFO L168 Benchmark]: Boogie Preprocessor took 32.45 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,158 INFO L168 Benchmark]: RCFGBuilder took 265.94 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 100.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,160 INFO L168 Benchmark]: Symbolic Interpretation took 109.53 ms. Allocated memory is still 134.2 MB. Free memory was 99.8 MB in the beginning and 95.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:04,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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: - PositiveResult [Line: 19]: 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 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.45 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 265.94 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 100.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 109.53 ms. Allocated memory is still 134.2 MB. Free memory was 99.8 MB in the beginning and 95.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...