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/BugCNF02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:17,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:17,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:17,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:17,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:17,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:17,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:17,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:17,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:17,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:17,877 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:17,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:17,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:17,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:17,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:17,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:17,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:17,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:17,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:17,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:17,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:17,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:17,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:17,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:17,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:17,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:17,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:17,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:17,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:17,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:17,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:17,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:17,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:17,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:17,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:17,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:17,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:17,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:17,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:17,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:17,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:17,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:17,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:17,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:17,966 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:17,966 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:17,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl [2019-08-05 18:15:17,968 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl' [2019-08-05 18:15:18,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:18,002 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:18,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:18,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:18,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:18,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (1/1) ... [2019-08-05 18:15:18,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:18,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:18,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:18,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:18,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:17" (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 18:15:18,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-05 18:15:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-05 18:15:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-05 18:15:18,352 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:18,352 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 18:15:18,354 INFO L202 PluginConnector]: Adding new model BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:18 BoogieIcfgContainer [2019-08-05 18:15:18,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:18,355 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:18,355 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:18,355 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:18,356 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:18" (1/1) ... [2019-08-05 18:15:18,368 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:18,373 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:18,389 INFO L160 IcfgInterpreter]: Initial procedures are [method1] [2019-08-05 18:15:18,397 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:18,399 INFO L185 IcfgInterpreter]: Interpreting procedure method1 with input of size 1 [2019-08-05 18:15:18,467 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:18,468 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:18,472 INFO L179 IcfgInterpreter]: Location method1Err0ASSERT_VIOLATIONASSERT has predicate 9#(or (and (not B) (not A)) (not B)) [2019-08-05 18:15:18,473 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:18,480 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:18,484 INFO L168 Benchmark]: Toolchain (without parser) took 480.45 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 92.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:18,485 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:18,486 INFO L168 Benchmark]: Boogie Preprocessor took 40.49 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:18,491 INFO L168 Benchmark]: RCFGBuilder took 310.85 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:18,492 INFO L168 Benchmark]: Symbolic Interpretation took 125.92 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:18,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.49 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 310.85 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 125.92 ms. Allocated memory is still 139.5 MB. Free memory was 96.7 MB in the beginning and 92.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...