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/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:44,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:44,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:44,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:44,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:44,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:44,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:44,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:44,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:44,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:44,901 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:44,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:44,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:44,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:44,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:44,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:44,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:44,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:44,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:44,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:44,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:44,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:44,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:44,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:44,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:44,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:44,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:44,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:44,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:44,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:44,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:44,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:44,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:44,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:44,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:44,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:44,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:44,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:44,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:44,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:44,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:44,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:44,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:44,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:44,970 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:44,971 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:44,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2019-08-09 14:13:44,972 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2019-08-09 14:13:45,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:45,003 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:45,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:45,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:45,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:45,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (1/1) ... [2019-08-09 14:13:45,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:45,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:45,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:45,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:45,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:44" (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 14:13:45,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:13:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:45,280 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:45,280 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:13:45,282 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:45 BoogieIcfgContainer [2019-08-09 14:13:45,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:45,282 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:45,282 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:45,283 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:45,284 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:45" (1/1) ... [2019-08-09 14:13:45,444 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:45,452 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:45,455 INFO L168 Benchmark]: Toolchain (without parser) took 450.68 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 90.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:45,456 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:13:45,458 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:45,459 INFO L168 Benchmark]: RCFGBuilder took 236.79 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 95.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:45,460 INFO L168 Benchmark]: Symbolic Interpretation took 169.58 ms. Allocated memory is still 131.6 MB. Free memory was 95.4 MB in the beginning and 90.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:45,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 25#(and (<= 100 y) (not (< x 100)) (not (<= y 100))). Possible FailurePath: - UnprovableResult [Line: 24]: 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 28#(and (not (< x 100)) (not (<= 100 y))). 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 131.6 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.13 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.79 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 95.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 169.58 ms. Allocated memory is still 131.6 MB. Free memory was 95.4 MB in the beginning and 90.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...