/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/node-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:22:22,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:22:22,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-04-26 16:22:22,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:22:22,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:22:22,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:22:22,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:22:22,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:22:22,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:22:22,743 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:22:22,743 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:22:22,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:22:22,744 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:22:22,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:22:22,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:22:22,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:22:22,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:22:22,745 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:22:22,745 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:22:22,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:22:22,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:22:22,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:22:22,977 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:22:22,978 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:22:22,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/node-symm.wvr.bpl [2025-04-26 16:22:22,979 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/node-symm.wvr.bpl' [2025-04-26 16:22:22,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:22:22,997 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:22:22,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:22:22,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:22:22,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:22:23,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,028 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:22:23,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:22:23,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:22:23,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:22:23,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:22:23,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:22:23,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:22:23,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:22:23,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:22:23,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/1) ... [2025-04-26 16:22:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:22:23,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:22:23,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 16:22:23,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-04-26 16:22:23,110 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:22:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:22:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:22:23,111 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:22:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:22:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:22:23,111 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:22:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:22:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:22:23,111 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:22:23,151 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:22:23,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:22:23,215 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:22:23,215 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:22:23,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:22:23,240 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:22:23,241 INFO L201 PluginConnector]: Adding new model node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:22:23 BoogieIcfgContainer [2025-04-26 16:22:23,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:22:23,241 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:22:23,241 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:22:23,246 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:22:23,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:22:23,246 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 04:22:22" (1/2) ... [2025-04-26 16:22:23,249 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61e49710 and model type node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:22:23, skipping insertion in model container [2025-04-26 16:22:23,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:22:23,249 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:22:23" (2/2) ... [2025-04-26 16:22:23,250 INFO L376 chiAutomizerObserver]: Analyzing ICFG node-symm.wvr.bpl [2025-04-26 16:22:23,293 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 16:22:23,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 16 transitions, 46 flow [2025-04-26 16:22:23,340 INFO L116 PetriNetUnfolderBase]: 0/12 cut-off events. [2025-04-26 16:22:23,343 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 16:22:23,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-04-26 16:22:23,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 16 transitions, 46 flow [2025-04-26 16:22:23,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 12 transitions, 36 flow [2025-04-26 16:22:23,348 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 19 places, 12 transitions, 36 flow [2025-04-26 16:22:23,357 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:22:23,357 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:22:23,358 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:22:23,358 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:22:23,358 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:22:23,358 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:22:23,358 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:22:23,358 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:22:23,359 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-04-26 16:22:23,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:22:23,376 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:22:23,379 INFO L201 PluginConnector]: Adding new model node-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:22:23 BoogieIcfgContainer [2025-04-26 16:22:23,379 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:22:23,381 INFO L158 Benchmark]: Toolchain (without parser) took 382.86ms. Allocated memory is still 155.2MB. Free memory was 83.9MB in the beginning and 62.4MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-04-26 16:22:23,381 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:23,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.13ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 82.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:23,381 INFO L158 Benchmark]: Boogie Preprocessor took 24.08ms. Allocated memory is still 155.2MB. Free memory was 82.0MB in the beginning and 81.0MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:22:23,382 INFO L158 Benchmark]: RCFGBuilder took 186.06ms. Allocated memory is still 155.2MB. Free memory was 81.0MB in the beginning and 71.2MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 16:22:23,382 INFO L158 Benchmark]: BuchiAutomizer took 137.74ms. Allocated memory is still 155.2MB. Free memory was 71.0MB in the beginning and 62.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:22:23,383 INFO L338 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 0.15ms. Allocated memory is still 155.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.13ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 82.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 24.08ms. Allocated memory is still 155.2MB. Free memory was 82.0MB in the beginning and 81.0MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 186.06ms. Allocated memory is still 155.2MB. Free memory was 81.0MB in the beginning and 71.2MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 137.74ms. Allocated memory is still 155.2MB. Free memory was 71.0MB in the beginning and 62.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:22:23,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...