/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:24:33,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:24:33,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 00:24:33,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:24:33,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:24:33,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:24:33,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:24:33,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:24:33,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:24:33,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:24:33,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:24:33,415 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:24:33,415 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:24:33,416 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:24:33,416 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:24:33,417 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:24:33,417 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:24:33,417 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:24:33,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:24:33,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:24:33,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:24:33,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:24:33,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:24:33,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:24:33,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:24:33,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:24:33,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:24:33,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:24:33,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:24:33,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:24:33,421 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:24:33,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:24:33,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:24:33,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:24:33,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:24:33,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:24:33,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:24:33,423 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:24:33,423 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:24:33,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:24:33,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:24:33,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:24:33,771 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 00:24:33,772 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 00:24:33,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl [2024-02-10 00:24:33,773 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl' [2024-02-10 00:24:33,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:24:33,797 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 00:24:33,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:33,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:24:33,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:24:33,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,839 INFO L138 Inliner]: procedures = 3, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-02-10 00:24:33,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:24:33,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:24:33,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:24:33,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:24:33,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:24:33,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:24:33,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:24:33,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:24:33,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/1) ... [2024-02-10 00:24:33,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:24:33,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:24:33,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-10 00:24:34,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-10 00:24:34,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 00:24:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:24:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:24:34,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2024-02-10 00:24:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-02-10 00:24:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-02-10 00:24:34,073 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 00:24:34,130 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:24:34,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:24:34,257 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:24:34,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:24:34,271 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-10 00:24:34,273 INFO L201 PluginConnector]: Adding new model array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:34 BoogieIcfgContainer [2024-02-10 00:24:34,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:24:34,274 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:24:34,274 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:24:34,278 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:24:34,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:34,279 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:24:33" (1/2) ... [2024-02-10 00:24:34,281 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70610b21 and model type array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:24:34, skipping insertion in model container [2024-02-10 00:24:34,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:24:34,282 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:24:34" (2/2) ... [2024-02-10 00:24:34,283 INFO L332 chiAutomizerObserver]: Analyzing ICFG array-sum-with-log-6threads.bpl [2024-02-10 00:24:34,421 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-02-10 00:24:34,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 105 transitions, 252 flow [2024-02-10 00:24:34,522 INFO L124 PetriNetUnfolderBase]: 6/93 cut-off events. [2024-02-10 00:24:34,523 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-02-10 00:24:34,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 93 events. 6/93 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 349 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-02-10 00:24:34,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 105 transitions, 252 flow [2024-02-10 00:24:34,548 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 93 transitions, 222 flow [2024-02-10 00:24:34,556 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:24:34,556 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:24:34,556 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:24:34,558 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:24:34,558 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:24:34,559 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:24:34,559 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:24:34,559 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:24:34,559 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:24:34,560 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 106 places, 93 transitions, 222 flow