/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 --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/4_plus_thr/indep_loops_9.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:49:14,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:49:14,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:49:14,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:49:14,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:49:14,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:49:14,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:49:14,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:49:14,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:49:14,106 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:49:14,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:49:14,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:49:14,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:49:14,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:49:14,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:49:14,108 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:49:14,108 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:49:14,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:49:14,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:49:14,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:49:14,341 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:49:14,342 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:49:14,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/4_plus_thr/indep_loops_9.c.bpl [2025-02-17 22:49:14,344 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/4_plus_thr/indep_loops_9.c.bpl' [2025-02-17 22:49:14,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:49:14,360 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:49:14,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:49:14,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:49:14,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:49:14,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,379 INFO L138 Inliner]: procedures = 10, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:49:14,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:49:14,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:49:14,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:49:14,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:49:14,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:49:14,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:49:14,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:49:14,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:49:14,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/1) ... [2025-02-17 22:49:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:14,429 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) [2025-02-17 22:49:14,431 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 [2025-02-17 22:49:14,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:49:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:49:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:49:14,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:49:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:49:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:49:14,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:49:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:49:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:49:14,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:49:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:49:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:49:14,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-02-17 22:49:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-02-17 22:49:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-02-17 22:49:14,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-02-17 22:49:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-02-17 22:49:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-02-17 22:49:14,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2025-02-17 22:49:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-02-17 22:49:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-02-17 22:49:14,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2025-02-17 22:49:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-02-17 22:49:14,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-02-17 22:49:14,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2025-02-17 22:49:14,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-02-17 22:49:14,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-02-17 22:49:14,454 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2025-02-17 22:49:14,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2025-02-17 22:49:14,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2025-02-17 22:49:14,454 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:49:14,491 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:49:14,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:49:14,598 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:49:14,598 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:49:14,610 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:49:14,610 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:49:14,611 INFO L201 PluginConnector]: Adding new model indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:49:14 BoogieIcfgContainer [2025-02-17 22:49:14,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:49:14,612 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:49:14,612 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:49:14,619 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:49:14,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:49:14,620 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:49:14" (1/2) ... [2025-02-17 22:49:14,623 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c297585 and model type indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:49:14, skipping insertion in model container [2025-02-17 22:49:14,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:49:14,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "indep_loops_9.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:49:14" (2/2) ... [2025-02-17 22:49:14,624 INFO L363 chiAutomizerObserver]: Analyzing ICFG indep_loops_9.c.bpl [2025-02-17 22:49:14,733 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2025-02-17 22:49:14,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 73 transitions, 209 flow [2025-02-17 22:49:14,805 INFO L124 PetriNetUnfolderBase]: 9/55 cut-off events. [2025-02-17 22:49:14,810 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-02-17 22:49:14,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 55 events. 9/55 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 110 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-02-17 22:49:14,816 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 73 transitions, 209 flow [2025-02-17 22:49:14,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 55 transitions, 164 flow [2025-02-17 22:49:14,826 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:52:04,696 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:52:04,697 INFO L101 AmpleReduction]: Number of pruned transitions: 111909, Number of non-trivial ample sets: 1938574 [2025-02-17 22:52:04,697 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 1823270 [2025-02-17 22:52:05,237 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:52:05,237 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:52:05,237 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:52:05,237 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:52:05,237 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:52:05,237 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:52:05,237 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:52:05,237 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:52:08,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 436907 states, 436906 states have (on average 8.610543228978315) internal successors, (3761998), 436906 states have internal predecessors, (3761998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)