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/loopAccelerationWerner/nestedLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:53,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:53,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:53,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:53,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:53,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:53,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:53,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:53,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:53,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:53,488 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:53,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:53,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:53,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:53,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:53,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:53,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:53,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:53,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:53,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:53,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:53,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:53,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:53,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:53,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:53,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:53,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:53,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:53,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:53,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:53,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:53,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:53,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:53,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:53,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:53,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:53,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:53,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:53,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:53,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:53,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:53,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:53,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:53,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:53,608 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:53,609 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:53,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoop.bpl [2019-08-06 16:59:53,610 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoop.bpl' [2019-08-06 16:59:53,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:53,649 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:53,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:53,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:53,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:53,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:53,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:53,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (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 16:59:53,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:54,069 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:54,069 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:54,071 INFO L202 PluginConnector]: Adding new model nestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:54 BoogieIcfgContainer [2019-08-06 16:59:54,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:54,072 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:54,072 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:54,072 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:54,073 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:54" (1/1) ... [2019-08-06 16:59:54,084 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:54,087 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:54,094 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:54,102 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:54,104 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:54,228 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:54,228 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:54,231 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 51#(and (not (= main_x 5000)) (or (and (or (and (not (< main_y 10000)) (< main_x 5001)) (< main_y 10001)) (not (< main_x 5000)) (not (< main_y 10000))) (and (= main_x 0) (not (< main_x 5000)) (= main_y 0)))) [2019-08-06 16:59:54,231 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 57#(and (not (= main_y 10000)) (or (and (= main_x 0) (not (< main_x 5000)) (= main_x 5000) (= main_y 0)) (and (or (and (not (< main_y 10000)) (< main_x 5001)) (< main_y 10001)) (not (< main_x 5000)) (= main_x 5000) (not (< main_y 10000))))) [2019-08-06 16:59:54,233 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:54,240 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:54,243 INFO L168 Benchmark]: Toolchain (without parser) took 593.23 ms. Allocated memory is still 133.7 MB. Free memory was 110.2 MB in the beginning and 92.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,245 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,246 INFO L168 Benchmark]: Boogie Preprocessor took 50.14 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,249 INFO L168 Benchmark]: RCFGBuilder took 371.03 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,250 INFO L168 Benchmark]: Symbolic Interpretation took 168.77 ms. Allocated memory is still 133.7 MB. Free memory was 98.4 MB in the beginning and 92.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:54,259 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: - UnprovableResult [Line: 21]: 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 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.14 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.03 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 98.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 168.77 ms. Allocated memory is still 133.7 MB. Free memory was 98.4 MB in the beginning and 92.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...