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/lassos/regression/2Nested.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:37,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:37,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:37,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:37,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:37,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:37,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:37,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:37,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:37,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:37,099 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:37,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:37,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:37,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:37,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:37,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:37,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:37,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:37,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:37,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:37,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:37,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:37,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:37,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:37,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:37,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:37,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:37,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:37,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:37,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:37,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:37,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:37,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:37,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:37,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:37,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:37,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:37,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:37,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:37,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:37,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:37,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:37,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:37,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:37,179 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:37,180 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:37,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/lassos/regression/2Nested.bpl [2019-08-05 09:52:37,182 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/lassos/regression/2Nested.bpl' [2019-08-05 09:52:37,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:37,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:37,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:37,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:37,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:37,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,255 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:52:37,255 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:52:37,256 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:52:37,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:37,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:37,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:37,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:37,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/1) ... [2019-08-05 09:52:37,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:37,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:37,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:37,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:37,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (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 09:52:37,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 09:52:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 09:52:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 09:52:37,498 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:52:37,499 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 09:52:37,500 INFO L202 PluginConnector]: Adding new model 2Nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:37 BoogieIcfgContainer [2019-08-05 09:52:37,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:37,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:37,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:37,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:37,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "2Nested.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:37" (1/2) ... [2019-08-05 09:52:37,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5bcd2c and model type 2Nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:37, skipping insertion in model container [2019-08-05 09:52:37,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "2Nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:37" (2/2) ... [2019-08-05 09:52:37,509 INFO L109 eAbstractionObserver]: Analyzing ICFG 2Nested.bpl [2019-08-05 09:52:37,519 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:37,527 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-08-05 09:52:37,544 INFO L252 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-08-05 09:52:37,571 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:37,572 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:37,572 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:37,572 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:37,573 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:37,573 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:37,573 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:37,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:37,574 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2019-08-05 09:52:37,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:52:37,600 INFO L202 PluginConnector]: Adding new model 2Nested.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:37 BoogieIcfgContainer [2019-08-05 09:52:37,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:37,603 INFO L168 Benchmark]: Toolchain (without parser) took 382.93 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 93.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:37,604 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:52:37,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:37,606 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 108.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:37,607 INFO L168 Benchmark]: RCFGBuilder took 219.04 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 99.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:37,608 INFO L168 Benchmark]: TraceAbstraction took 98.06 ms. Allocated memory is still 134.7 MB. Free memory was 99.1 MB in the beginning and 93.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:37,612 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 0.24 ms. Allocated memory is still 134.7 MB. Free memory is still 111.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 134.7 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 134.7 MB. Free memory was 108.9 MB in the beginning and 108.0 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 219.04 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 99.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 98.06 ms. Allocated memory is still 134.7 MB. Free memory was 99.1 MB in the beginning and 93.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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, 2 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=2occurred 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...