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/EasyLoop_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:46,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:46,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:46,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:46,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:46,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:46,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:46,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:46,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:46,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:46,867 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:46,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:46,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:46,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:46,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:46,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:46,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:46,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:46,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:46,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:46,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:46,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:46,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:46,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:46,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:46,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:46,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:46,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:46,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:46,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:46,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:46,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:46,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:46,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:46,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:46,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:46,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:46,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:46,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:46,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:46,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:46,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:46,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:46,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:46,940 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:46,940 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:46,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyLoop_incorrect.bpl [2019-08-05 18:16:46,941 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyLoop_incorrect.bpl' [2019-08-05 18:16:46,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:46,987 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:46,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:46,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:46,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:47,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (1/1) ... [2019-08-05 18:16:47,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:47,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:47,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:47,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:47,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:46" (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 18:16:47,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-05 18:16:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-05 18:16:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-05 18:16:47,371 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:47,372 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:47,373 INFO L202 PluginConnector]: Adding new model EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:47 BoogieIcfgContainer [2019-08-05 18:16:47,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:47,374 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:47,374 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:47,374 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:47,375 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:47" (1/1) ... [2019-08-05 18:16:47,389 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:47,394 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:47,401 INFO L160 IcfgInterpreter]: Initial procedures are [EasyLoop] [2019-08-05 18:16:47,409 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:47,411 INFO L185 IcfgInterpreter]: Interpreting procedure EasyLoop with input of size 1 [2019-08-05 18:16:47,536 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:47,536 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:47,539 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)))) [2019-08-05 18:16:47,540 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:47,547 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:47,550 INFO L168 Benchmark]: Toolchain (without parser) took 564.37 ms. Allocated memory is still 135.3 MB. Free memory was 111.3 MB in the beginning and 93.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:47,552 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:47,553 INFO L168 Benchmark]: Boogie Preprocessor took 45.53 ms. Allocated memory is still 135.3 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:47,554 INFO L168 Benchmark]: RCFGBuilder took 339.49 ms. Allocated memory is still 135.3 MB. Free memory was 108.9 MB in the beginning and 99.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:47,555 INFO L168 Benchmark]: Symbolic Interpretation took 173.98 ms. Allocated memory is still 135.3 MB. Free memory was 99.6 MB in the beginning and 93.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:47,559 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 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.53 ms. Allocated memory is still 135.3 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.49 ms. Allocated memory is still 135.3 MB. Free memory was 108.9 MB in the beginning and 99.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 173.98 ms. Allocated memory is still 135.3 MB. Free memory was 99.6 MB in the beginning and 93.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...