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/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:54,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:54,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:54,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:54,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:54,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:54,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:54,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:54,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:54,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:54,455 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:54,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:54,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:54,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:54,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:54,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:54,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:54,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:54,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:54,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:54,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:54,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:54,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:54,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:54,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:54,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:54,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:54,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:54,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:54,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:54,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:54,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:54,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:54,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:54,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:54,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:54,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:54,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:54,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:54,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:54,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:54,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:54,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:54,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:54,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:54,541 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:54,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2019-08-09 14:13:54,542 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2019-08-09 14:13:54,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:54,579 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:54,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:54,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:54,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:54,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:54,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:54,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:54,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:54,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:54" (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 14:13:54,713 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:13:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:54,850 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:54,851 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:13:54,852 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:54 BoogieIcfgContainer [2019-08-09 14:13:54,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:54,853 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:54,853 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:54,853 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:54,854 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:54" (1/1) ... [2019-08-09 14:13:54,974 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:54,980 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:54,983 INFO L168 Benchmark]: Toolchain (without parser) took 402.35 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 92.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:54,984 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:13:54,986 INFO L168 Benchmark]: Boogie Preprocessor took 49.06 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:54,987 INFO L168 Benchmark]: RCFGBuilder took 222.82 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 97.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:54,988 INFO L168 Benchmark]: Symbolic Interpretation took 127.27 ms. Allocated memory is still 131.6 MB. Free memory was 97.1 MB in the beginning and 92.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:54,992 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 24#(and (= main_x 1000) (not (<= main_y 0))). 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.06 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 222.82 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 97.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 127.27 ms. Allocated memory is still 131.6 MB. Free memory was 97.1 MB in the beginning and 92.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...