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/oneLoopTwoBackbones.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:10,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:10,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:10,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:10,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:10,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:10,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:10,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:10,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:10,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:10,299 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:10,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:10,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:10,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:10,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:10,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:10,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:10,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:10,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:10,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:10,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:10,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:10,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:10,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:10,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:10,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:10,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:10,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:10,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:10,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:10,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:10,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:10,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:10,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:10,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:10,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:10,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:10,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:10,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:10,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:10,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:10,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:10,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:10,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:10,403 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:10,404 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:10,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/oneLoopTwoBackbones.bpl [2019-08-05 18:17:10,406 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/oneLoopTwoBackbones.bpl' [2019-08-05 18:17:10,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:10,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:10,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:10,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:10,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:10,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:10,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:10,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:10,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:10,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:10" (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 18:17:10,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:10,797 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:10,797 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:10,798 INFO L202 PluginConnector]: Adding new model oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:10 BoogieIcfgContainer [2019-08-05 18:17:10,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:10,799 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:10,799 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:10,799 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:10,800 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "oneLoopTwoBackbones.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:10" (1/1) ... [2019-08-05 18:17:10,814 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:17:10,817 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:10,824 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:10,832 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:10,834 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:10,973 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:10,973 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:10,980 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 24#(and (not (< main_x 5000)) (= main_x 5000) (not (= main_y 2500)) (< main_x 5001)) [2019-08-05 18:17:10,981 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (not (= main_x 5000)) (not (< main_x 5000)) (< main_x 5001)) [2019-08-05 18:17:10,984 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:11,002 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:11,011 INFO L168 Benchmark]: Toolchain (without parser) took 558.97 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 87.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,012 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 ms. Allocated memory is still 135.3 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:17:11,013 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 102.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,019 INFO L168 Benchmark]: RCFGBuilder took 307.28 ms. Allocated memory is still 135.3 MB. Free memory was 102.6 MB in the beginning and 92.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,021 INFO L168 Benchmark]: Symbolic Interpretation took 203.91 ms. Allocated memory is still 135.3 MB. Free memory was 92.1 MB in the beginning and 87.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:11,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - 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 0.29 ms. Allocated memory is still 135.3 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.34 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 102.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.28 ms. Allocated memory is still 135.3 MB. Free memory was 102.6 MB in the beginning and 92.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 203.91 ms. Allocated memory is still 135.3 MB. Free memory was 92.1 MB in the beginning and 87.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...