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/loopAccelerationMohr/nestedLoopUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:59,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:59,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:59,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:59,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:59,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:59,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:59,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:59,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:59,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:59,343 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:59,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:59,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:59,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:59,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:59,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:59,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:59,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:59,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:59,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:59,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:59,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:59,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:59,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:59,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:59,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:59,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:59,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:59,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:59,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:59,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:59,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:59,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:59,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:59,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:59,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:59,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:59,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:59,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:59,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:59,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:59,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:59,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:59,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:59,473 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:59,474 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:59,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl [2019-08-06 16:59:59,475 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl' [2019-08-06 16:59:59,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:59,511 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:59,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:59,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:59,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:59,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:59,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:59,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:59,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:59,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:59" (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 16:59:59,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:59,840 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:59,840 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:59,841 INFO L202 PluginConnector]: Adding new model nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:59 BoogieIcfgContainer [2019-08-06 16:59:59,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:59,841 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:59,842 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:59,842 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:59,842 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:59" (1/1) ... [2019-08-06 16:59:59,857 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:59,861 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:59,868 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:59,876 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:59,878 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:59,997 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:59,997 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 17:00:00,000 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 47#(or (and (not (< main_y 10)) (or (and (exists ((v_main_y_11 Int)) (not (< v_main_y_11 10))) (= main_y 0) (< main_x 101)) (< main_y 11)) (not (< main_x 100))) (and (= main_x 0) (not (< main_x 100)) (= main_y 0))) [2019-08-06 17:00:00,002 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 17:00:00,009 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 17:00:00,012 INFO L168 Benchmark]: Toolchain (without parser) took 500.34 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 90.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-06 17:00:00,013 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 17:00:00,015 INFO L168 Benchmark]: Boogie Preprocessor took 49.54 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 17:00:00,016 INFO L168 Benchmark]: RCFGBuilder took 279.26 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-06 17:00:00,017 INFO L168 Benchmark]: Symbolic Interpretation took 167.75 ms. Allocated memory is still 139.5 MB. Free memory was 96.4 MB in the beginning and 90.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-06 17:00:00,023 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: * 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 139.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.54 ms. Allocated memory is still 139.5 MB. Free memory was 107.7 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 279.26 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 167.75 ms. Allocated memory is still 139.5 MB. Free memory was 96.4 MB in the beginning and 90.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...