java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/unrolling-tests/IRS-Dep-NestedLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:24,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:24,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:24,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:24,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:24,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:24,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:24,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:24,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:24,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:24,504 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:24,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:24,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:24,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:24,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:24,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:24,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:24,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:24,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:24,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:24,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:24,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:24,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:24,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:24,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:24,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:24,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:24,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:24,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:24,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:24,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:24,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:24,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:24,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:24,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:24,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:24,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:24,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:24,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:24,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:24,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:24,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:24,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:24,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:24,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:24,580 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:24,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/IRS-Dep-NestedLoop.bpl [2019-08-05 09:53:24,581 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/IRS-Dep-NestedLoop.bpl' [2019-08-05 09:53:24,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:24,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:24,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:24,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:24,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:24,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,654 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:24,654 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:24,655 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:24,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:24,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:24,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:24,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:24,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/1) ... [2019-08-05 09:53:24,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:24,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:24,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:24,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:24,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (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 09:53:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure NestedLoop [2019-08-05 09:53:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure NestedLoop [2019-08-05 09:53:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 09:53:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 09:53:25,139 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:25,140 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 09:53:25,141 INFO L202 PluginConnector]: Adding new model IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:25 BoogieIcfgContainer [2019-08-05 09:53:25,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:25,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:25,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:25,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:25,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:24" (1/2) ... [2019-08-05 09:53:25,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd4bc05 and model type IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:25, skipping insertion in model container [2019-08-05 09:53:25,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:25" (2/2) ... [2019-08-05 09:53:25,153 INFO L109 eAbstractionObserver]: Analyzing ICFG IRS-Dep-NestedLoop.bpl [2019-08-05 09:53:25,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:25,171 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-08-05 09:53:25,188 INFO L252 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-08-05 09:53:25,215 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:25,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:25,215 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:25,216 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:25,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:25,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:25,216 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:25,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:25,216 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 09:53:25,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:53:25,240 INFO L202 PluginConnector]: Adding new model IRS-Dep-NestedLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:25 BoogieIcfgContainer [2019-08-05 09:53:25,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:25,243 INFO L168 Benchmark]: Toolchain (without parser) took 625.37 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 87.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:25,244 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:53:25,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:25,247 INFO L168 Benchmark]: Boogie Preprocessor took 23.93 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 104.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:25,249 INFO L168 Benchmark]: RCFGBuilder took 444.49 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 93.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:25,250 INFO L168 Benchmark]: TraceAbstraction took 96.44 ms. Allocated memory is still 139.5 MB. Free memory was 92.8 MB in the beginning and 87.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:25,256 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.93 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 104.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 444.49 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 93.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 96.44 ms. Allocated memory is still 139.5 MB. Free memory was 92.8 MB in the beginning and 87.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...