./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 19:50:46,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 19:50:47,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-14 19:50:47,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 19:50:47,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 19:50:47,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 19:50:47,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 19:50:47,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 19:50:47,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 19:50:47,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 19:50:47,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 19:50:47,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 19:50:47,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 19:50:47,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 19:50:47,052 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 19:50:47,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 19:50:47,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 19:50:47,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 19:50:47,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 19:50:47,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 19:50:47,053 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-14 19:50:47,054 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-14 19:50:47,054 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-14 19:50:47,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 19:50:47,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 19:50:47,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 19:50:47,058 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 19:50:47,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 19:50:47,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 19:50:47,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 19:50:47,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 19:50:47,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 19:50:47,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 19:50:47,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:50:47,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 19:50:47,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 19:50:47,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 19:50:47,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 19:50:47,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 19:50:47,060 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 19:50:47,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 19:50:47,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 19:50:47,062 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2024-10-14 19:50:47,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 19:50:47,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 19:50:47,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 19:50:47,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 19:50:47,327 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 19:50:47,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2024-10-14 19:50:48,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 19:50:48,977 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 19:50:48,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2024-10-14 19:50:48,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b06302a8/6eadb7414b7246649584fe168fc5e6f5/FLAGeac19cdb4 [2024-10-14 19:50:49,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b06302a8/6eadb7414b7246649584fe168fc5e6f5 [2024-10-14 19:50:49,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 19:50:49,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 19:50:49,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 19:50:49,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 19:50:49,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 19:50:49,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1484ebb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49, skipping insertion in model container [2024-10-14 19:50:49,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 19:50:49,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:50:49,335 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 19:50:49,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 19:50:49,387 INFO L204 MainTranslator]: Completed translation [2024-10-14 19:50:49,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49 WrapperNode [2024-10-14 19:50:49,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 19:50:49,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 19:50:49,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 19:50:49,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 19:50:49,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,442 INFO L138 Inliner]: procedures = 22, calls = 157, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 390 [2024-10-14 19:50:49,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 19:50:49,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 19:50:49,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 19:50:49,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 19:50:49,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,497 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 19:50:49,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 19:50:49,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 19:50:49,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 19:50:49,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 19:50:49,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (1/1) ... [2024-10-14 19:50:49,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 19:50:49,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 19:50:49,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 19:50:49,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 19:50:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 19:50:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 19:50:49,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 19:50:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 19:50:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 19:50:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 19:50:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 19:50:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-14 19:50:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-14 19:50:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 19:50:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 19:50:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 19:50:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 19:50:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 19:50:49,618 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 19:50:49,745 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 19:50:49,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 19:50:50,197 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 19:50:50,198 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 19:50:50,594 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 19:50:50,595 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 19:50:50,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:50:50 BoogieIcfgContainer [2024-10-14 19:50:50,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 19:50:50,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 19:50:50,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 19:50:50,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 19:50:50,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:50:49" (1/3) ... [2024-10-14 19:50:50,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cbe18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:50:50, skipping insertion in model container [2024-10-14 19:50:50,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:50:49" (2/3) ... [2024-10-14 19:50:50,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cbe18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:50:50, skipping insertion in model container [2024-10-14 19:50:50,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:50:50" (3/3) ... [2024-10-14 19:50:50,607 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2024-10-14 19:50:50,630 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 19:50:50,631 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 19:50:50,631 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 19:50:50,697 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-14 19:50:50,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 90 transitions, 208 flow [2024-10-14 19:50:50,795 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2024-10-14 19:50:50,795 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 19:50:50,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 86 events. 0/86 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 210 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-14 19:50:50,798 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 90 transitions, 208 flow [2024-10-14 19:50:50,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 85 transitions, 194 flow [2024-10-14 19:50:50,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 19:50:50,823 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@778f1e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 19:50:50,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 19:50:50,852 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 19:50:50,852 INFO L124 PetriNetUnfolderBase]: 0/82 cut-off events. [2024-10-14 19:50:50,852 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 19:50:50,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:50:50,853 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:50:50,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-14 19:50:50,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:50:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash 824714501, now seen corresponding path program 1 times [2024-10-14 19:50:50,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:50:50,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945038806] [2024-10-14 19:50:50,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:50:50,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:50:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:50:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:50:51,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:50:51,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945038806] [2024-10-14 19:50:51,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945038806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:50:51,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:50:51,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 19:50:51,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174110972] [2024-10-14 19:50:51,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:50:51,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 19:50:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:50:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 19:50:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-14 19:50:52,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 90 [2024-10-14 19:50:52,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 85 transitions, 194 flow. Second operand has 11 states, 11 states have (on average 38.90909090909091) internal successors, (428), 11 states have internal predecessors, (428), 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) [2024-10-14 19:50:52,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:50:52,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 90 [2024-10-14 19:50:52,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:51:06,428 INFO L124 PetriNetUnfolderBase]: 125690/181291 cut-off events. [2024-10-14 19:51:06,428 INFO L125 PetriNetUnfolderBase]: For 6198/6198 co-relation queries the response was YES. [2024-10-14 19:51:06,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355111 conditions, 181291 events. 125690/181291 cut-off events. For 6198/6198 co-relation queries the response was YES. Maximal size of possible extension queue 4912. Compared 1448683 event pairs, 44888 based on Foata normal form. 8/180796 useless extension candidates. Maximal degree in co-relation 336036. Up to 64438 conditions per place. [2024-10-14 19:51:07,333 INFO L140 encePairwiseOnDemand]: 79/90 looper letters, 294 selfloop transitions, 25 changer transitions 22/370 dead transitions. [2024-10-14 19:51:07,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 370 transitions, 1548 flow [2024-10-14 19:51:07,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 19:51:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-14 19:51:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 825 transitions. [2024-10-14 19:51:07,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2024-10-14 19:51:07,350 INFO L175 Difference]: Start difference. First operand has 98 places, 85 transitions, 194 flow. Second operand 14 states and 825 transitions. [2024-10-14 19:51:07,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 370 transitions, 1548 flow [2024-10-14 19:51:07,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 370 transitions, 1464 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-14 19:51:07,522 INFO L231 Difference]: Finished difference. Result has 106 places, 112 transitions, 329 flow [2024-10-14 19:51:07,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=329, PETRI_PLACES=106, PETRI_TRANSITIONS=112} [2024-10-14 19:51:07,528 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 8 predicate places. [2024-10-14 19:51:07,528 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 112 transitions, 329 flow [2024-10-14 19:51:07,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 38.90909090909091) internal successors, (428), 11 states have internal predecessors, (428), 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) [2024-10-14 19:51:07,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:51:07,529 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:51:07,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 19:51:07,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-14 19:51:07,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:51:07,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1983229987, now seen corresponding path program 2 times [2024-10-14 19:51:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:51:07,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83628133] [2024-10-14 19:51:07,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:51:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:51:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:51:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:51:08,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:51:08,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83628133] [2024-10-14 19:51:08,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83628133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:51:08,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:51:08,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 19:51:08,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477306271] [2024-10-14 19:51:08,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:51:08,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 19:51:08,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:51:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 19:51:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 19:51:08,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 90 [2024-10-14 19:51:08,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 112 transitions, 329 flow. Second operand has 9 states, 9 states have (on average 37.55555555555556) internal successors, (338), 9 states have internal predecessors, (338), 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) [2024-10-14 19:51:08,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:51:08,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 90 [2024-10-14 19:51:08,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:51:27,476 INFO L124 PetriNetUnfolderBase]: 201457/291479 cut-off events. [2024-10-14 19:51:27,477 INFO L125 PetriNetUnfolderBase]: For 1675/1675 co-relation queries the response was YES. [2024-10-14 19:51:28,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582839 conditions, 291479 events. 201457/291479 cut-off events. For 1675/1675 co-relation queries the response was YES. Maximal size of possible extension queue 5587. Compared 2403117 event pairs, 83001 based on Foata normal form. 2982/288220 useless extension candidates. Maximal degree in co-relation 582803. Up to 231752 conditions per place. [2024-10-14 19:51:29,436 INFO L140 encePairwiseOnDemand]: 76/90 looper letters, 195 selfloop transitions, 36 changer transitions 0/286 dead transitions. [2024-10-14 19:51:29,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 286 transitions, 1150 flow [2024-10-14 19:51:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 19:51:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 19:51:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 512 transitions. [2024-10-14 19:51:29,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6320987654320988 [2024-10-14 19:51:29,439 INFO L175 Difference]: Start difference. First operand has 106 places, 112 transitions, 329 flow. Second operand 9 states and 512 transitions. [2024-10-14 19:51:29,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 286 transitions, 1150 flow [2024-10-14 19:51:29,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 286 transitions, 1148 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-14 19:51:29,538 INFO L231 Difference]: Finished difference. Result has 117 places, 150 transitions, 568 flow [2024-10-14 19:51:29,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=568, PETRI_PLACES=117, PETRI_TRANSITIONS=150} [2024-10-14 19:51:29,539 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, 19 predicate places. [2024-10-14 19:51:29,539 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 150 transitions, 568 flow [2024-10-14 19:51:29,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.55555555555556) internal successors, (338), 9 states have internal predecessors, (338), 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) [2024-10-14 19:51:29,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 19:51:29,540 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 19:51:29,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 19:51:29,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-14 19:51:29,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 19:51:29,541 INFO L85 PathProgramCache]: Analyzing trace with hash -267321881, now seen corresponding path program 3 times [2024-10-14 19:51:29,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 19:51:29,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278534726] [2024-10-14 19:51:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 19:51:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 19:51:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 19:51:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 19:51:29,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 19:51:29,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278534726] [2024-10-14 19:51:29,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278534726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 19:51:29,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 19:51:29,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 19:51:29,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219341966] [2024-10-14 19:51:29,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 19:51:29,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 19:51:29,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 19:51:29,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 19:51:29,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 19:51:29,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 90 [2024-10-14 19:51:29,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 150 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2024-10-14 19:51:29,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 19:51:29,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 90 [2024-10-14 19:51:29,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 19:51:33,397 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L209-->L212: Formula: (= (+ 1 v_~n4~0_135) v_~n4~0_134) InVars {~n4~0=v_~n4~0_135} OutVars{~n4~0=v_~n4~0_134, thread4Thread1of1ForFork1_#t~post4#1=|v_thread4Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[~n4~0, thread4Thread1of1ForFork1_#t~post4#1][98], [Black: 145#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 152#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 144#(and (<= ~n2~0 0) (= ~n1~0 0) (<= ~n3~0 0) (<= ~n4~0 0)), 26#L88true, 44#L212true, Black: 130#(and (= ~i4~0 0) (= 3 ~i~0) (= ~i3~0 1) (= 2 ~i2~0)), Black: 120#(and (= ~i4~0 0) (= ~i~0 1)), Black: 124#(and (= 2 ~i~0) (= ~i4~0 0) (= ~i3~0 1)), Black: 108#(= ~i~0 0), 10#L118true, 38#$Ultimate##0true, 106#true, 61#L273-4true, Black: 146#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), 163#true, 142#true, Black: 154#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 156#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= ~n1~0 ~n2~0))]) [2024-10-14 19:51:33,398 INFO L294 olderBase$Statistics]: this new event has 39 ancestors and is cut-off event [2024-10-14 19:51:33,398 INFO L297 olderBase$Statistics]: existing Event has 39 ancestors and is cut-off event [2024-10-14 19:51:33,401 INFO L297 olderBase$Statistics]: existing Event has 39 ancestors and is cut-off event [2024-10-14 19:51:33,401 INFO L297 olderBase$Statistics]: existing Event has 39 ancestors and is cut-off event [2024-10-14 19:51:33,701 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L209-->L212: Formula: (= (+ 1 v_~n4~0_135) v_~n4~0_134) InVars {~n4~0=v_~n4~0_135} OutVars{~n4~0=v_~n4~0_134, thread4Thread1of1ForFork1_#t~post4#1=|v_thread4Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[~n4~0, thread4Thread1of1ForFork1_#t~post4#1][98], [Black: 145#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 152#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 144#(and (<= ~n2~0 0) (= ~n1~0 0) (<= ~n3~0 0) (<= ~n4~0 0)), 26#L88true, 44#L212true, 29#L274true, Black: 130#(and (= ~i4~0 0) (= 3 ~i~0) (= ~i3~0 1) (= 2 ~i2~0)), Black: 120#(and (= ~i4~0 0) (= ~i~0 1)), Black: 124#(and (= 2 ~i~0) (= ~i4~0 0) (= ~i3~0 1)), Black: 108#(= ~i~0 0), 10#L118true, 38#$Ultimate##0true, 106#true, Black: 146#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 154#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 142#true, 163#true, Black: 156#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= ~n1~0 ~n2~0))]) [2024-10-14 19:51:33,701 INFO L294 olderBase$Statistics]: this new event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,701 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,701 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,702 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,704 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L209-->L212: Formula: (= (+ 1 v_~n4~0_135) v_~n4~0_134) InVars {~n4~0=v_~n4~0_135} OutVars{~n4~0=v_~n4~0_134, thread4Thread1of1ForFork1_#t~post4#1=|v_thread4Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[~n4~0, thread4Thread1of1ForFork1_#t~post4#1][98], [Black: 145#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 152#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 144#(and (<= ~n2~0 0) (= ~n1~0 0) (<= ~n3~0 0) (<= ~n4~0 0)), 26#L88true, 44#L212true, Black: 130#(and (= ~i4~0 0) (= 3 ~i~0) (= ~i3~0 1) (= 2 ~i2~0)), Black: 120#(and (= ~i4~0 0) (= ~i~0 1)), Black: 124#(and (= 2 ~i~0) (= ~i4~0 0) (= ~i3~0 1)), Black: 108#(= ~i~0 0), 38#$Ultimate##0true, 106#true, 61#L273-4true, Black: 146#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), 68#L121true, Black: 154#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 142#true, 163#true, Black: 156#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= ~n1~0 ~n2~0))]) [2024-10-14 19:51:33,704 INFO L294 olderBase$Statistics]: this new event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,704 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,704 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,705 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-10-14 19:51:33,996 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L209-->L212: Formula: (= (+ 1 v_~n4~0_135) v_~n4~0_134) InVars {~n4~0=v_~n4~0_135} OutVars{~n4~0=v_~n4~0_134, thread4Thread1of1ForFork1_#t~post4#1=|v_thread4Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[~n4~0, thread4Thread1of1ForFork1_#t~post4#1][98], [Black: 145#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 152#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 144#(and (<= ~n2~0 0) (= ~n1~0 0) (<= ~n3~0 0) (<= ~n4~0 0)), 26#L88true, 44#L212true, 29#L274true, Black: 130#(and (= ~i4~0 0) (= 3 ~i~0) (= ~i3~0 1) (= 2 ~i2~0)), Black: 120#(and (= ~i4~0 0) (= ~i~0 1)), Black: 124#(and (= 2 ~i~0) (= ~i4~0 0) (= ~i3~0 1)), Black: 108#(= ~i~0 0), 38#$Ultimate##0true, 106#true, Black: 146#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), 68#L121true, Black: 154#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 142#true, 163#true, Black: 156#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= ~n1~0 ~n2~0))]) [2024-10-14 19:51:33,996 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event [2024-10-14 19:51:33,997 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-10-14 19:51:33,997 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-10-14 19:51:33,997 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-10-14 19:51:34,089 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([910] L157-->L160: Formula: (= (+ v_~n3~0_35 1) v_~n3~0_34) InVars {~n3~0=v_~n3~0_35} OutVars{~n3~0=v_~n3~0_34, thread3Thread1of1ForFork3_#t~post3#1=|v_thread3Thread1of1ForFork3_#t~post3#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_#t~post3#1, ~n3~0][84], [Black: 145#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 152#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 144#(and (<= ~n2~0 0) (= ~n1~0 0) (<= ~n3~0 0) (<= ~n4~0 0)), Black: 130#(and (= ~i4~0 0) (= 3 ~i~0) (= ~i3~0 1) (= 2 ~i2~0)), Black: 120#(and (= ~i4~0 0) (= ~i~0 1)), Black: 124#(and (= 2 ~i~0) (= ~i4~0 0) (= ~i3~0 1)), Black: 108#(= ~i~0 0), 25#L160true, 106#true, 4#L206true, 61#L273-4true, 49#L111true, 11#thread1EXITtrue, Black: 146#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), 163#true, 142#true, Black: 154#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 156#(and (<= 1 ~n1~0) (<= 2 ~n2~0) (<= ~n1~0 ~n2~0))]) [2024-10-14 19:51:34,089 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-10-14 19:51:34,089 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-10-14 19:51:34,089 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-10-14 19:51:34,089 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event