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/TestOldVar-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:30,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:30,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:30,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:30,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:30,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:30,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:30,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:30,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:30,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:30,434 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:30,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:30,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:30,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:30,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:30,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:30,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:30,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:30,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:30,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:30,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:30,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:30,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:30,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:30,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:30,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:30,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:30,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:30,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:30,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:30,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:30,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:30,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:30,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:30,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:30,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:30,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:30,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:30,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:30,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:30,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:30,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:30,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:30,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:30,506 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:30,507 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:30,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestOldVar-unsafe.bpl [2019-08-06 16:58:30,508 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestOldVar-unsafe.bpl' [2019-08-06 16:58:30,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:30,539 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:30,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:30,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:30,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:30,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:30,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:30,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:30,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:30,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:30" (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 16:58:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:30,835 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:30,835 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:30,836 INFO L202 PluginConnector]: Adding new model TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:30 BoogieIcfgContainer [2019-08-06 16:58:30,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:30,837 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:30,837 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:30,838 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:30,839 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestOldVar-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:30" (1/1) ... [2019-08-06 16:58:30,851 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:30,853 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:30,863 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:30,873 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:30,875 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:30,923 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:30,923 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:30,926 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(not (= |old(g)| g)) [2019-08-06 16:58:30,927 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:30,935 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:30,938 INFO L168 Benchmark]: Toolchain (without parser) took 397.37 ms. Allocated memory is still 133.2 MB. Free memory was 109.8 MB in the beginning and 94.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:30,940 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.9 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:30,941 INFO L168 Benchmark]: Boogie Preprocessor took 34.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:30,942 INFO L168 Benchmark]: RCFGBuilder took 261.65 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 99.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:30,944 INFO L168 Benchmark]: Symbolic Interpretation took 98.03 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:30,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.9 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 261.65 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 99.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 98.03 ms. Allocated memory is still 133.2 MB. Free memory was 99.1 MB in the beginning and 94.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...