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/unclassified/EasyNestedLoop_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:36,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:36,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:36,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:36,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:36,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:36,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:36,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:36,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:36,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:36,959 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:36,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:36,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:36,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:36,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:36,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:36,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:36,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:36,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:36,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:36,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:36,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:36,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:36,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:36,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:36,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:36,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:36,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:36,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:36,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:36,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:36,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:36,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:36,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:36,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:36,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:36,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:36,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:36,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:36,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:36,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:37,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:37,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:37,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:37,047 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:37,047 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:37,048 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop_incorrect.bpl [2019-08-09 14:20:37,048 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop_incorrect.bpl' [2019-08-09 14:20:37,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:37,082 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:37,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:37,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:37,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:37,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:37,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:37,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:37,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:37,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:37" (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 14:20:37,212 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-09 14:20:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-09 14:20:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-09 14:20:37,361 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:37,362 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:37,364 INFO L202 PluginConnector]: Adding new model EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:37 BoogieIcfgContainer [2019-08-09 14:20:37,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:37,365 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:37,365 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:37,365 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:37,369 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyNestedLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:37" (1/1) ... [2019-08-09 14:20:37,602 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:37,610 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:37,614 INFO L168 Benchmark]: Toolchain (without parser) took 529.67 ms. Allocated memory is still 132.1 MB. Free memory was 108.7 MB in the beginning and 91.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:37,616 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:37,617 INFO L168 Benchmark]: Boogie Preprocessor took 47.00 ms. Allocated memory is still 132.1 MB. Free memory was 108.7 MB in the beginning and 106.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:37,619 INFO L168 Benchmark]: RCFGBuilder took 234.28 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:37,621 INFO L168 Benchmark]: Symbolic Interpretation took 245.29 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 91.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:37,627 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 (not (< EasyLoop_x EasyLoop_y)) (or (and (not (< EasyLoop_x 35)) (= 0 EasyLoop_x) (= 0 EasyLoop_y)) (and (not (< EasyLoop_x 35)) (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 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.00 ms. Allocated memory is still 132.1 MB. Free memory was 108.7 MB in the beginning and 106.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.28 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 97.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 245.29 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 91.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...