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/LTL/recursivity.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:21:33,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:21:33,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:21:33,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:21:33,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:21:33,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:21:33,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:21:33,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:21:33,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:21:33,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:21:33,055 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:21:33,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:21:33,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:21:33,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:21:33,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:21:33,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:21:33,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:21:33,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:21:33,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:21:33,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:21:33,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:21:33,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:21:33,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:21:33,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:21:33,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:21:33,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:21:33,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:21:33,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:21:33,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:21:33,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:21:33,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:21:33,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:21:33,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:21:33,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:21:33,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:21:33,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:21:33,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:21:33,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:21:33,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:21:33,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:21:33,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:21:33,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:21:33,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:21:33,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:21:33,126 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:21:33,127 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:21:33,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/LTL/recursivity.bpl [2019-08-05 11:21:33,128 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/LTL/recursivity.bpl' [2019-08-05 11:21:33,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:21:33,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:21:33,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:21:33,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:21:33,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:21:33,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,188 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:21:33,188 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:21:33,188 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:21:33,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:21:33,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:21:33,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:21:33,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:21:33,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/1) ... [2019-08-05 11:21:33,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:21:33,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:21:33,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:21:33,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:21:33,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (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 11:21:33,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure nplus given in one single declaration [2019-08-05 11:21:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure nplus [2019-08-05 11:21:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nplus [2019-08-05 11:21:33,511 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:21:33,512 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:21:33,513 INFO L202 PluginConnector]: Adding new model recursivity.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:21:33 BoogieIcfgContainer [2019-08-05 11:21:33,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:21:33,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:21:33,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:21:33,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:21:33,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "recursivity.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:21:33" (1/2) ... [2019-08-05 11:21:33,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5469cf and model type recursivity.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:21:33, skipping insertion in model container [2019-08-05 11:21:33,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "recursivity.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:21:33" (2/2) ... [2019-08-05 11:21:33,528 INFO L109 eAbstractionObserver]: Analyzing ICFG recursivity.bpl [2019-08-05 11:21:33,539 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:21:33,548 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-08-05 11:21:33,564 INFO L252 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-08-05 11:21:33,588 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:21:33,588 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:21:33,589 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:21:33,589 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:21:33,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:21:33,589 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:21:33,589 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:21:33,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:21:33,590 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:21:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:21:33,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:21:33,617 INFO L202 PluginConnector]: Adding new model recursivity.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:21:33 BoogieIcfgContainer [2019-08-05 11:21:33,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:21:33,620 INFO L168 Benchmark]: Toolchain (without parser) took 463.53 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 91.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,621 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,624 INFO L168 Benchmark]: Boogie Preprocessor took 18.70 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 106.5 MB in the end (delta: 936.2 kB). Peak memory consumption was 936.2 kB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,625 INFO L168 Benchmark]: RCFGBuilder took 303.51 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 97.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,626 INFO L168 Benchmark]: TraceAbstraction took 99.77 ms. Allocated memory is still 134.2 MB. Free memory was 97.2 MB in the beginning and 91.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:21:33,631 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 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.44 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.70 ms. Allocated memory is still 134.2 MB. Free memory was 107.5 MB in the beginning and 106.5 MB in the end (delta: 936.2 kB). Peak memory consumption was 936.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 303.51 ms. Allocated memory is still 134.2 MB. Free memory was 106.3 MB in the beginning and 97.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99.77 ms. Allocated memory is still 134.2 MB. Free memory was 97.2 MB in the beginning and 91.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 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 1 procedures, 4 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=4occurred 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...