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/unrolling-tests/ReachDef-NestedLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:01:58,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:01:58,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:01:58,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:01:58,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:01:58,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:01:58,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:01:58,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:01:58,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:01:58,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:01:58,905 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:01:58,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:01:58,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:01:58,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:01:58,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:01:58,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:01:58,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:01:58,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:01:58,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:01:58,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:01:58,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:01:58,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:01:58,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:01:58,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:01:58,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:01:58,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:01:58,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:01:58,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:01:58,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:01:58,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:01:58,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:01:58,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:01:58,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:01:58,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:01:58,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:01:58,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:01:58,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:01:58,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:01:58,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:01:58,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:01:58,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:01:59,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:01:59,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:01:59,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:01:59,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:01:59,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:01:59,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-NestedLoop.bpl [2019-08-09 14:01:59,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-NestedLoop.bpl' [2019-08-09 14:01:59,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:01:59,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:01:59,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:01:59,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:01:59,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:01:59,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:01:59,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:01:59,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:01:59,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:01:59,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (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 14:01:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-09 14:01:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-09 14:01:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-09 14:01:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-09 14:01:59,324 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:01:59,324 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-09 14:01:59,326 INFO L202 PluginConnector]: Adding new model ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:01:59 BoogieIcfgContainer [2019-08-09 14:01:59,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:01:59,327 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:01:59,327 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:01:59,327 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:01:59,328 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ReachDef-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:01:59" (1/1) ... [2019-08-09 14:01:59,533 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:01:59,540 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:01:59,543 INFO L168 Benchmark]: Toolchain (without parser) took 483.38 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 92.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:01:59,545 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:01:59,546 INFO L168 Benchmark]: Boogie Preprocessor took 40.66 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:01:59,547 INFO L168 Benchmark]: RCFGBuilder took 225.70 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:01:59,548 INFO L168 Benchmark]: Symbolic Interpretation took 213.81 ms. Allocated memory is still 141.0 MB. Free memory was 97.9 MB in the beginning and 92.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:01:59,552 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. Predicate is 44#(and (= Main_z 2) (not (= Main_z (+ (* (- 1) Main_y) Main_x)))). 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 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.66 ms. Allocated memory is still 141.0 MB. Free memory was 109.5 MB in the beginning and 107.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.70 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 213.81 ms. Allocated memory is still 141.0 MB. Free memory was 97.9 MB in the beginning and 92.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...