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/BugLiveVariables01-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:25,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:25,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:26,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:26,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:26,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:26,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:26,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:26,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:26,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:26,018 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:26,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:26,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:26,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:26,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:26,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:26,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:26,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:26,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:26,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:26,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:26,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:26,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:26,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:26,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:26,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:26,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:26,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:26,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:26,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:26,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:26,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:26,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:26,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:26,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:26,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:26,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:26,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:26,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:26,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:26,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:26,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:26,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:26,090 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:26,090 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:26,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl [2019-08-06 16:58:26,091 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl' [2019-08-06 16:58:26,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:26,123 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:26,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:26,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:26,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:26,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:26,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:26,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:26,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:26,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:26" (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 16:58:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:26,432 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:26,432 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:26,434 INFO L202 PluginConnector]: Adding new model BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:26 BoogieIcfgContainer [2019-08-06 16:58:26,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:26,434 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:26,434 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:26,435 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:26,435 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:26" (1/1) ... [2019-08-06 16:58:26,447 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:26,450 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:26,457 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:26,465 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:26,466 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:26,522 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:26,523 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:26,525 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(not (= y x)) [2019-08-06 16:58:26,526 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:26,532 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:26,534 INFO L168 Benchmark]: Toolchain (without parser) took 410.80 ms. Allocated memory is still 131.6 MB. Free memory was 106.7 MB in the beginning and 91.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:26,536 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:26,537 INFO L168 Benchmark]: Boogie Preprocessor took 36.98 ms. Allocated memory is still 131.6 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:26,538 INFO L168 Benchmark]: RCFGBuilder took 273.15 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 96.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:26,540 INFO L168 Benchmark]: Symbolic Interpretation took 97.56 ms. Allocated memory is still 131.6 MB. Free memory was 95.8 MB in the beginning and 91.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:26,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.98 ms. Allocated memory is still 131.6 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.15 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 96.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.56 ms. Allocated memory is still 131.6 MB. Free memory was 95.8 MB in the beginning and 91.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...