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-b03553c [2019-08-05 18:15:36,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:36,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:36,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:36,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:36,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:36,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:36,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:36,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:36,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:36,105 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:36,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:36,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:36,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:36,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:36,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:36,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:36,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:36,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:36,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:36,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:36,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:36,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:36,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:36,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:36,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:36,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:36,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:36,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:36,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:36,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:36,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:36,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:36,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:36,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:36,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:36,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:36,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:36,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:36,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:36,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:36,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:36,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:36,179 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:36,180 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:36,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl [2019-08-05 18:15:36,181 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugLiveVariables01-Safe.bpl' [2019-08-05 18:15:36,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:36,214 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:36,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:36,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:36,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:36,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:36,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:36,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:36,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:36,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:36" (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 18:15:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 18:15:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 18:15:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:36,589 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:36,589 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:36,590 INFO L202 PluginConnector]: Adding new model BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:36 BoogieIcfgContainer [2019-08-05 18:15:36,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:36,591 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:36,591 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:36,592 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:36,592 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugLiveVariables01-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:36" (1/1) ... [2019-08-05 18:15:36,604 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:36,607 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:36,614 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:15:36,622 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:36,623 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:15:36,694 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:36,695 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:36,698 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(not (= y x)) [2019-08-05 18:15:36,699 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:36,704 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:36,707 INFO L168 Benchmark]: Toolchain (without parser) took 492.30 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 93.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:36,708 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:15:36,709 INFO L168 Benchmark]: Boogie Preprocessor took 41.99 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:36,711 INFO L168 Benchmark]: RCFGBuilder took 333.37 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:36,712 INFO L168 Benchmark]: Symbolic Interpretation took 113.53 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 93.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:36,716 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 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.99 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.37 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 113.53 ms. Allocated memory is still 132.1 MB. Free memory was 97.5 MB in the beginning and 93.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...