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/TestOldVar-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:46,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:46,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:46,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:46,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:46,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:46,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:46,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:46,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:46,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:46,127 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:46,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:46,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:46,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:46,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:46,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:46,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:46,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:46,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:46,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:46,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:46,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:46,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:46,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:46,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:46,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:46,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:46,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:46,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:46,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:46,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:46,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:46,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:46,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:46,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:46,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:46,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:46,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:46,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:46,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:46,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:46,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:46,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:46,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:46,250 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:46,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:46,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/TestOldVar-safe.bpl [2019-08-09 14:20:46,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/openBugs/TestOldVar-safe.bpl' [2019-08-09 14:20:46,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:46,283 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:46,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:46,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:46,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:46,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:46,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:46,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:46,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:46,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:46" (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 [2019-08-09 14:20:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:20:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:20:46,523 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:46,523 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:46,525 INFO L202 PluginConnector]: Adding new model TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:46 BoogieIcfgContainer [2019-08-09 14:20:46,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:46,526 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:46,526 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:46,527 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:46,528 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestOldVar-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:46" (1/1) ... [2019-08-09 14:20:46,666 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:46,674 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:46,679 INFO L168 Benchmark]: Toolchain (without parser) took 393.01 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 92.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,682 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,684 INFO L168 Benchmark]: Boogie Preprocessor took 40.48 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,685 INFO L168 Benchmark]: RCFGBuilder took 200.48 ms. Allocated memory is still 131.6 MB. Free memory was 104.8 MB in the beginning and 96.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,687 INFO L168 Benchmark]: Symbolic Interpretation took 148.80 ms. Allocated memory is still 131.6 MB. Free memory was 96.3 MB in the beginning and 92.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:46,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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. Predicate is 6#(not (= (+ |old(g)| 1) g)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.48 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 104.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 200.48 ms. Allocated memory is still 131.6 MB. Free memory was 104.8 MB in the beginning and 96.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 148.80 ms. Allocated memory is still 131.6 MB. Free memory was 96.3 MB in the beginning and 92.2 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...