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/loopAcceleration/loopWithUnreachableBranch.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:58,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:58,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:58,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:58,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:58,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:58,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:58,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:58,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:58,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:58,445 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:58,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:58,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:58,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:58,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:58,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:58,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:58,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:58,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:58,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:58,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:58,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:58,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:58,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:58,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:58,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:58,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:58,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:58,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:58,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:58,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:58,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:58,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:58,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:58,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:58,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:58,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:58,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:58,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:58,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:58,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:58,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:58,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:58,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:58,520 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:58,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:58,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl [2019-08-06 16:59:58,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopWithUnreachableBranch.bpl' [2019-08-06 16:59:58,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:58,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:58,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:58,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:58,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:58,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:58,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:58,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:58,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:58,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:58" (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 16:59:58,665 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:58,892 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:58,892 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:58,894 INFO L202 PluginConnector]: Adding new model loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:58 BoogieIcfgContainer [2019-08-06 16:59:58,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:58,895 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:58,895 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:58,895 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:58,898 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loopWithUnreachableBranch.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:58" (1/1) ... [2019-08-06 16:59:58,933 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:58,946 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:58,968 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:58,987 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:58,992 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:59,103 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:59,103 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:59,106 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 24#(and (< main_x 1000001) (not (= main_y 0)) (not (< main_x 1000000)) (= main_x 1000000)) [2019-08-06 16:59:59,107 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (< main_x 1000001) (not (= main_x 1000000)) (not (< main_x 1000000))) [2019-08-06 16:59:59,108 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:59,115 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:59,118 INFO L168 Benchmark]: Toolchain (without parser) took 561.11 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 88.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:59,120 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:59,121 INFO L168 Benchmark]: Boogie Preprocessor took 39.45 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:59,122 INFO L168 Benchmark]: RCFGBuilder took 297.77 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 93.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:59,123 INFO L168 Benchmark]: Symbolic Interpretation took 220.55 ms. Allocated memory is still 138.4 MB. Free memory was 93.7 MB in the beginning and 88.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:59,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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: - UnprovableResult [Line: 16]: 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 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.45 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.77 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 93.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 220.55 ms. Allocated memory is still 138.4 MB. Free memory was 93.7 MB in the beginning and 88.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...