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/abstractInterpretation/regression/oct/loop-nested.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:31,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:31,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:31,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:31,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:31,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:31,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:31,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:31,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:31,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:31,840 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:31,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:31,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:31,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:31,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:31,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:31,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:31,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:31,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:31,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:31,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:31,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:31,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:31,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:31,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:31,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:31,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:31,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:31,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:31,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:31,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:31,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:31,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:31,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:31,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:31,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:31,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:31,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:31,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:31,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:31,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:31,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:31,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:31,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:31,908 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:31,908 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:31,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/loop-nested.bpl [2019-08-09 14:19:31,909 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/loop-nested.bpl' [2019-08-09 14:19:31,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:31,938 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:31,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:31,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:31,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:31,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (1/1) ... [2019-08-09 14:19:31,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:31,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:31,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:31,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:31,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:31" (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 14:19:32,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-09 14:19:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-09 14:19:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-09 14:19:32,241 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:32,241 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:32,243 INFO L202 PluginConnector]: Adding new model loop-nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:32 BoogieIcfgContainer [2019-08-09 14:19:32,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:32,244 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:32,245 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:32,245 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:32,246 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop-nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,434 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:32,442 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:32,445 INFO L168 Benchmark]: Toolchain (without parser) took 505.79 ms. Allocated memory is still 131.6 MB. Free memory was 108.3 MB in the beginning and 91.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:32,446 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:32,447 INFO L168 Benchmark]: Boogie Preprocessor took 45.23 ms. Allocated memory is still 131.6 MB. Free memory was 108.1 MB in the beginning and 105.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:32,449 INFO L168 Benchmark]: RCFGBuilder took 259.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 96.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:32,450 INFO L168 Benchmark]: Symbolic Interpretation took 197.56 ms. Allocated memory is still 131.6 MB. Free memory was 96.5 MB in the beginning and 91.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:32,454 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 47#(and (or (and (not (< EasyLoop_x 5)) (not (< EasyLoop_x EasyLoop_y))) (and (not (< EasyLoop_x 5)) (= 0 EasyLoop_x) (= 0 EasyLoop_y))) (not (= EasyLoop_x EasyLoop_y))). 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 131.6 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.23 ms. Allocated memory is still 131.6 MB. Free memory was 108.1 MB in the beginning and 105.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 96.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 197.56 ms. Allocated memory is still 131.6 MB. Free memory was 96.5 MB in the beginning and 91.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...