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.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:28,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:28,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:28,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:28,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:28,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:28,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:28,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:28,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:28,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:28,315 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:28,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:28,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:28,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:28,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:28,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:28,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:28,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:28,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:28,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:28,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:28,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:28,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:28,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:28,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:28,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:28,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:28,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:28,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:28,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:28,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:28,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:28,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:28,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:28,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:28,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:28,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:28,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:28,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:28,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:28,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:28,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:28,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:28,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:28,413 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:28,413 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:28,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop.bpl [2019-08-06 16:59:28,414 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyNestedLoop.bpl' [2019-08-06 16:59:28,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:28,440 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:28,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:28,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:28,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:28,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:28,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:28,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:28,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:28,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:28" (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 16:59:28,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-06 16:59:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-06 16:59:28,548 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-06 16:59:28,811 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:28,812 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:28,813 INFO L202 PluginConnector]: Adding new model EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:28 BoogieIcfgContainer [2019-08-06 16:59:28,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:28,813 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:28,813 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:28,814 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:28,814 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyNestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:28" (1/1) ... [2019-08-06 16:59:28,823 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:28,826 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:28,832 INFO L160 IcfgInterpreter]: Initial procedures are [EasyLoop] [2019-08-06 16:59:28,840 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:28,842 INFO L185 IcfgInterpreter]: Interpreting procedure EasyLoop with input of size 1 [2019-08-06 16:59:28,941 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:28,941 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:28,944 INFO L179 IcfgInterpreter]: Location EasyLoopErr0ASSERT_VIOLATIONASSERT has predicate 47#(and (not (= EasyLoop_x EasyLoop_y)) (or (and (not (< EasyLoop_x 5)) (or (and (<= EasyLoop_y (+ EasyLoop_x 1)) (< EasyLoop_x 6)) (< EasyLoop_x (+ EasyLoop_y 1))) (not (< EasyLoop_x EasyLoop_y))) (and (not (< EasyLoop_x 5)) (= 0 EasyLoop_x) (= 0 EasyLoop_y)))) [2019-08-06 16:59:28,946 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:28,953 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:28,956 INFO L168 Benchmark]: Toolchain (without parser) took 515.11 ms. Allocated memory is still 138.4 MB. Free memory was 107.0 MB in the beginning and 89.5 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:28,957 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:28,959 INFO L168 Benchmark]: Boogie Preprocessor took 37.77 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:28,960 INFO L168 Benchmark]: RCFGBuilder took 334.58 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 95.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:28,961 INFO L168 Benchmark]: Symbolic Interpretation took 139.70 ms. Allocated memory is still 138.4 MB. Free memory was 95.2 MB in the beginning and 89.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:28,965 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.77 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.58 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 95.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 139.70 ms. Allocated memory is still 138.4 MB. Free memory was 95.2 MB in the beginning and 89.5 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...