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/concurrent/concurrentBoogie/fork_multiple_times.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:05,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:05,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:05,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:05,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:05,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:05,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:05,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:05,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:05,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:05,305 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:05,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:05,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:05,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:05,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:05,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:05,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:05,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:05,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:05,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:05,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:05,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:05,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:05,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:05,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:05,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:05,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:05,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:05,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:05,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:05,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:05,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:05,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:05,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:05,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:05,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:05,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:05,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:05,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:05,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:05,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:05,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:05,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:05,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:05,398 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:05,399 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:05,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/fork_multiple_times.bpl [2019-08-05 09:52:05,400 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/fork_multiple_times.bpl' [2019-08-05 09:52:05,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:05,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:05,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:05,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:05,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:05,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:05,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:05,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:05,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:05,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:05,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:05,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:05,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:05,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (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 09:52:05,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 09:52:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 09:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 09:52:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:05,545 WARN L201 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-08-05 09:52:05,822 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:05,822 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:52:05,823 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:05 BoogieIcfgContainer [2019-08-05 09:52:05,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:05,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:05,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:05,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:05,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/2) ... [2019-08-05 09:52:05,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463a5c60 and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:05, skipping insertion in model container [2019-08-05 09:52:05,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:05" (2/2) ... [2019-08-05 09:52:05,833 INFO L109 eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl [2019-08-05 09:52:05,868 WARN L317 ript$VariableManager]: TermVariabe Thread2_foo_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:05,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_foo_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:05,869 WARN L317 ript$VariableManager]: TermVariabe Thread1_foo_y not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:05,996 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:06,004 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:06,022 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:06,048 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:06,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:06,049 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:06,050 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:06,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:06,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:06,050 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:06,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:06,051 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:06,060 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 20places, 19 transitions [2019-08-05 09:52:06,073 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 41 states. [2019-08-05 09:52:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-08-05 09:52:06,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:52:06,087 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-08-05 09:52:06,089 INFO L202 PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:06 BasicIcfg [2019-08-05 09:52:06,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:06,093 INFO L168 Benchmark]: Toolchain (without parser) took 660.68 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 90.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,095 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,097 INFO L168 Benchmark]: Boogie Preprocessor took 18.40 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 108.4 MB in the end (delta: 934.2 kB). Peak memory consumption was 934.2 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,098 INFO L168 Benchmark]: RCFGBuilder took 337.84 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 99.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,099 INFO L168 Benchmark]: TraceAbstraction took 264.25 ms. Allocated memory is still 133.7 MB. Free memory was 99.1 MB in the beginning and 90.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,102 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.00 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.40 ms. Allocated memory is still 133.7 MB. Free memory was 109.3 MB in the beginning and 108.4 MB in the end (delta: 934.2 kB). Peak memory consumption was 934.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 337.84 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 99.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264.25 ms. Allocated memory is still 133.7 MB. Free memory was 99.1 MB in the beginning and 90.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 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=41occurred 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...