./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:13:13,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:13:13,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:13:13,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:13:13,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:13:13,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:13:13,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:13:13,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:13:13,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:13:13,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:13:13,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:13:13,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:13:13,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:13:13,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:13:13,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:13:13,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:13:13,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:13:13,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:13:13,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:13:13,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 ! data-race) ) 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 -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2025-03-08 22:13:13,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:13:13,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:13:13,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:13:13,983 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:13:13,983 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:13:13,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2025-03-08 22:13:15,119 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f684daae5/292e5532a2e64a6290c39673d1b0519c/FLAGe48169499 [2025-03-08 22:13:15,564 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:13:15,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2025-03-08 22:13:15,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f684daae5/292e5532a2e64a6290c39673d1b0519c/FLAGe48169499 [2025-03-08 22:13:15,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f684daae5/292e5532a2e64a6290c39673d1b0519c [2025-03-08 22:13:15,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:13:15,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:13:15,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:13:15,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:13:15,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:13:15,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:13:15" (1/1) ... [2025-03-08 22:13:15,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533aab16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:15, skipping insertion in model container [2025-03-08 22:13:15,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:13:15" (1/1) ... [2025-03-08 22:13:15,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:13:17,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:13:17,951 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:13:18,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2025-03-08 22:13:18,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2025-03-08 22:13:18,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2025-03-08 22:13:18,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2025-03-08 22:13:18,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2025-03-08 22:13:18,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2025-03-08 22:13:18,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2025-03-08 22:13:18,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2025-03-08 22:13:18,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2025-03-08 22:13:18,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2025-03-08 22:13:18,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2025-03-08 22:13:18,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2025-03-08 22:13:18,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2025-03-08 22:13:18,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2025-03-08 22:13:18,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2025-03-08 22:13:18,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2025-03-08 22:13:18,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2025-03-08 22:13:18,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2025-03-08 22:13:18,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2025-03-08 22:13:18,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2025-03-08 22:13:18,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2025-03-08 22:13:18,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2025-03-08 22:13:18,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2025-03-08 22:13:18,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2025-03-08 22:13:18,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2025-03-08 22:13:18,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2025-03-08 22:13:18,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2025-03-08 22:13:18,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2025-03-08 22:13:18,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2025-03-08 22:13:18,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2025-03-08 22:13:18,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2025-03-08 22:13:18,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2025-03-08 22:13:18,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2025-03-08 22:13:18,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2025-03-08 22:13:18,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2025-03-08 22:13:18,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2025-03-08 22:13:18,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2025-03-08 22:13:18,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2025-03-08 22:13:18,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2025-03-08 22:13:18,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2025-03-08 22:13:18,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2025-03-08 22:13:18,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2025-03-08 22:13:18,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2025-03-08 22:13:18,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2025-03-08 22:13:18,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2025-03-08 22:13:18,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2025-03-08 22:13:18,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2025-03-08 22:13:18,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2025-03-08 22:13:18,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2025-03-08 22:13:18,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2025-03-08 22:13:18,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2025-03-08 22:13:18,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2025-03-08 22:13:18,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2025-03-08 22:13:18,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2025-03-08 22:13:18,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2025-03-08 22:13:18,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2025-03-08 22:13:18,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2025-03-08 22:13:18,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2025-03-08 22:13:18,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2025-03-08 22:13:18,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2025-03-08 22:13:18,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2025-03-08 22:13:18,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2025-03-08 22:13:18,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2025-03-08 22:13:18,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2025-03-08 22:13:18,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2025-03-08 22:13:18,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2025-03-08 22:13:18,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2025-03-08 22:13:18,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2025-03-08 22:13:18,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2025-03-08 22:13:18,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2025-03-08 22:13:18,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2025-03-08 22:13:18,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2025-03-08 22:13:18,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2025-03-08 22:13:18,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2025-03-08 22:13:18,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2025-03-08 22:13:18,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2025-03-08 22:13:18,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2025-03-08 22:13:18,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2025-03-08 22:13:18,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2025-03-08 22:13:18,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2025-03-08 22:13:18,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2025-03-08 22:13:18,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2025-03-08 22:13:18,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2025-03-08 22:13:18,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2025-03-08 22:13:18,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2025-03-08 22:13:18,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2025-03-08 22:13:18,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2025-03-08 22:13:18,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2025-03-08 22:13:18,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2025-03-08 22:13:18,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2025-03-08 22:13:18,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2025-03-08 22:13:18,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2025-03-08 22:13:18,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2025-03-08 22:13:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2025-03-08 22:13:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2025-03-08 22:13:18,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2025-03-08 22:13:18,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2025-03-08 22:13:18,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2025-03-08 22:13:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2025-03-08 22:13:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2025-03-08 22:13:18,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:13:18,406 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:13:18,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18 WrapperNode [2025-03-08 22:13:18,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:13:18,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:13:18,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:13:18,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:13:18,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,537 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 941 [2025-03-08 22:13:18,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:13:18,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:13:18,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:13:18,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:13:18,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:13:18,630 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:13:18,631 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:13:18,631 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:13:18,632 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (1/1) ... [2025-03-08 22:13:18,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:13:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:13:18,659 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) [2025-03-08 22:13:18,661 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 [2025-03-08 22:13:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 22:13:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:13:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 22:13:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:13:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:13:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-03-08 22:13:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 22:13:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:13:18,683 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:13:18,832 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:13:18,833 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:13:19,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-08 22:13:19,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-9: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-08 22:13:19,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-18: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438-9: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-9: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-18: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-27: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043: havoc main_~#r~0#1.base, main_~#r~0#1.offset; [2025-03-08 22:13:19,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043-1: SUMMARY for call ULTIMATE.dealloc(main_~#r~0#1.base, main_~#r~0#1.offset); srcloc: null [2025-03-08 22:13:19,828 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2808: havoc vatomic32_await_eq_rlx_#t~ret172#1; [2025-03-08 22:13:20,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-08 22:13:20,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019: havoc ~#xbo~0#1.base, ~#xbo~0#1.offset; [2025-03-08 22:13:20,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019-1: SUMMARY for call ULTIMATE.dealloc(~#xbo~0#1.base, ~#xbo~0#1.offset); srcloc: null [2025-03-08 22:13:20,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-08 22:13:20,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-08 22:13:20,014 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:13:20,014 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:13:20,209 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:13:20,209 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:13:20,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:13:20 BoogieIcfgContainer [2025-03-08 22:13:20,209 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:13:20,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:13:20,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:13:20,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:13:20,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:13:15" (1/3) ... [2025-03-08 22:13:20,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc95a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:13:20, skipping insertion in model container [2025-03-08 22:13:20,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:13:18" (2/3) ... [2025-03-08 22:13:20,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc95a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:13:20, skipping insertion in model container [2025-03-08 22:13:20,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:13:20" (3/3) ... [2025-03-08 22:13:20,218 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2025-03-08 22:13:20,228 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:13:20,230 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_full.i that has 2 procedures, 945 locations, 1 initial locations, 16 loop locations, and 48 error locations. [2025-03-08 22:13:20,231 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:13:20,376 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-08 22:13:20,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 948 places, 1010 transitions, 2027 flow [2025-03-08 22:13:20,862 INFO L124 PetriNetUnfolderBase]: 116/1663 cut-off events. [2025-03-08 22:13:20,866 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:13:20,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 1663 events. 116/1663 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 5684 event pairs, 0 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 859. Up to 12 conditions per place. [2025-03-08 22:13:20,894 INFO L82 GeneralOperation]: Start removeDead. Operand has 948 places, 1010 transitions, 2027 flow [2025-03-08 22:13:20,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 948 places, 1010 transitions, 2027 flow [2025-03-08 22:13:20,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:13:20,931 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=LoopHeads, 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;@a30cc77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:13:20,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2025-03-08 22:13:20,938 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:13:20,938 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2025-03-08 22:13:20,938 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:13:20,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:20,939 INFO L206 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] [2025-03-08 22:13:20,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:20,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash -897885172, now seen corresponding path program 1 times [2025-03-08 22:13:20,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:20,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143646433] [2025-03-08 22:13:20,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:20,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:21,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 22:13:21,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 22:13:21,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:21,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:21,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:21,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143646433] [2025-03-08 22:13:21,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143646433] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:21,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:21,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:13:21,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755129679] [2025-03-08 22:13:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:21,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 22:13:21,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:21,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 22:13:21,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 22:13:21,165 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 910 out of 1010 [2025-03-08 22:13:21,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 1010 transitions, 2027 flow. Second operand has 2 states, 2 states have (on average 911.0) internal successors, (1822), 2 states have internal predecessors, (1822), 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) [2025-03-08 22:13:21,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:21,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 910 of 1010 [2025-03-08 22:13:21,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:21,987 INFO L124 PetriNetUnfolderBase]: 105/3727 cut-off events. [2025-03-08 22:13:21,987 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-08 22:13:22,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3873 conditions, 3727 events. 105/3727 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 24088 event pairs, 52 based on Foata normal form. 214/3755 useless extension candidates. Maximal degree in co-relation 3129. Up to 141 conditions per place. [2025-03-08 22:13:22,011 INFO L140 encePairwiseOnDemand]: 933/1010 looper letters, 23 selfloop transitions, 0 changer transitions 6/919 dead transitions. [2025-03-08 22:13:22,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 919 transitions, 1891 flow [2025-03-08 22:13:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 22:13:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 22:13:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1920 transitions. [2025-03-08 22:13:22,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9504950495049505 [2025-03-08 22:13:22,031 INFO L175 Difference]: Start difference. First operand has 948 places, 1010 transitions, 2027 flow. Second operand 2 states and 1920 transitions. [2025-03-08 22:13:22,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 910 places, 919 transitions, 1891 flow [2025-03-08 22:13:22,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 910 places, 919 transitions, 1891 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:13:22,052 INFO L231 Difference]: Finished difference. Result has 910 places, 913 transitions, 1833 flow [2025-03-08 22:13:22,055 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=1845, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=919, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1833, PETRI_PLACES=910, PETRI_TRANSITIONS=913} [2025-03-08 22:13:22,058 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -38 predicate places. [2025-03-08 22:13:22,058 INFO L471 AbstractCegarLoop]: Abstraction has has 910 places, 913 transitions, 1833 flow [2025-03-08 22:13:22,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 911.0) internal successors, (1822), 2 states have internal predecessors, (1822), 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) [2025-03-08 22:13:22,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:22,059 INFO L206 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] [2025-03-08 22:13:22,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:13:22,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:22,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1977232086, now seen corresponding path program 1 times [2025-03-08 22:13:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:22,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229127380] [2025-03-08 22:13:22,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:22,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 22:13:22,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 22:13:22,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:22,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:22,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:22,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229127380] [2025-03-08 22:13:22,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229127380] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:22,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:22,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:13:22,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647319935] [2025-03-08 22:13:22,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:22,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:13:22,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:22,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:13:22,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:13:23,176 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1010 [2025-03-08 22:13:23,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 913 transitions, 1833 flow. Second operand has 6 states, 6 states have (on average 816.3333333333334) internal successors, (4898), 6 states have internal predecessors, (4898), 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) [2025-03-08 22:13:23,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:23,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1010 [2025-03-08 22:13:23,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:26,223 INFO L124 PetriNetUnfolderBase]: 2302/17544 cut-off events. [2025-03-08 22:13:26,223 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2025-03-08 22:13:26,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21702 conditions, 17544 events. 2302/17544 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 175854 event pairs, 1848 based on Foata normal form. 0/16485 useless extension candidates. Maximal degree in co-relation 21698. Up to 4146 conditions per place. [2025-03-08 22:13:26,313 INFO L140 encePairwiseOnDemand]: 1004/1010 looper letters, 112 selfloop transitions, 5 changer transitions 0/912 dead transitions. [2025-03-08 22:13:26,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 908 places, 912 transitions, 2065 flow [2025-03-08 22:13:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:13:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:13:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5008 transitions. [2025-03-08 22:13:26,327 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8264026402640264 [2025-03-08 22:13:26,328 INFO L175 Difference]: Start difference. First operand has 910 places, 913 transitions, 1833 flow. Second operand 6 states and 5008 transitions. [2025-03-08 22:13:26,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 908 places, 912 transitions, 2065 flow [2025-03-08 22:13:26,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 912 transitions, 2065 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:13:26,343 INFO L231 Difference]: Finished difference. Result has 908 places, 912 transitions, 1841 flow [2025-03-08 22:13:26,344 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=1831, PETRI_DIFFERENCE_MINUEND_PLACES=903, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=907, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1841, PETRI_PLACES=908, PETRI_TRANSITIONS=912} [2025-03-08 22:13:26,345 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -40 predicate places. [2025-03-08 22:13:26,345 INFO L471 AbstractCegarLoop]: Abstraction has has 908 places, 912 transitions, 1841 flow [2025-03-08 22:13:26,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 816.3333333333334) internal successors, (4898), 6 states have internal predecessors, (4898), 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) [2025-03-08 22:13:26,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:26,348 INFO L206 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] [2025-03-08 22:13:26,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:13:26,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:26,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2061904959, now seen corresponding path program 1 times [2025-03-08 22:13:26,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:26,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993553498] [2025-03-08 22:13:26,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:26,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:26,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 22:13:26,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 22:13:26,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:26,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:26,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:26,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993553498] [2025-03-08 22:13:26,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993553498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:26,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:26,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:13:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876418174] [2025-03-08 22:13:26,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:26,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:13:26,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:26,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:13:26,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:13:27,232 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1010 [2025-03-08 22:13:27,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 908 places, 912 transitions, 1841 flow. Second operand has 6 states, 6 states have (on average 816.3333333333334) internal successors, (4898), 6 states have internal predecessors, (4898), 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) [2025-03-08 22:13:27,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:27,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1010 [2025-03-08 22:13:27,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:29,911 INFO L124 PetriNetUnfolderBase]: 2302/17543 cut-off events. [2025-03-08 22:13:29,911 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2025-03-08 22:13:29,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21707 conditions, 17543 events. 2302/17543 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 175749 event pairs, 1848 based on Foata normal form. 0/16485 useless extension candidates. Maximal degree in co-relation 21702. Up to 4146 conditions per place. [2025-03-08 22:13:29,981 INFO L140 encePairwiseOnDemand]: 1004/1010 looper letters, 112 selfloop transitions, 5 changer transitions 0/911 dead transitions. [2025-03-08 22:13:29,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 912 places, 911 transitions, 2073 flow [2025-03-08 22:13:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:13:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:13:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5008 transitions. [2025-03-08 22:13:29,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8264026402640264 [2025-03-08 22:13:29,991 INFO L175 Difference]: Start difference. First operand has 908 places, 912 transitions, 1841 flow. Second operand 6 states and 5008 transitions. [2025-03-08 22:13:29,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 912 places, 911 transitions, 2073 flow [2025-03-08 22:13:29,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 911 transitions, 2063 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:13:30,003 INFO L231 Difference]: Finished difference. Result has 907 places, 911 transitions, 1839 flow [2025-03-08 22:13:30,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=1829, PETRI_DIFFERENCE_MINUEND_PLACES=902, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=911, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=906, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1839, PETRI_PLACES=907, PETRI_TRANSITIONS=911} [2025-03-08 22:13:30,006 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -41 predicate places. [2025-03-08 22:13:30,006 INFO L471 AbstractCegarLoop]: Abstraction has has 907 places, 911 transitions, 1839 flow [2025-03-08 22:13:30,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 816.3333333333334) internal successors, (4898), 6 states have internal predecessors, (4898), 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) [2025-03-08 22:13:30,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:30,008 INFO L206 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, 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] [2025-03-08 22:13:30,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:13:30,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:30,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:30,009 INFO L85 PathProgramCache]: Analyzing trace with hash 65164085, now seen corresponding path program 1 times [2025-03-08 22:13:30,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:30,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784894651] [2025-03-08 22:13:30,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:30,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 22:13:30,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 22:13:30,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:30,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:31,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:31,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784894651] [2025-03-08 22:13:31,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784894651] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:31,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:31,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:13:31,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073638218] [2025-03-08 22:13:31,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:31,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:13:31,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:31,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:13:31,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:13:31,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 807 out of 1010 [2025-03-08 22:13:31,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 907 places, 911 transitions, 1839 flow. Second operand has 6 states, 6 states have (on average 810.5) internal successors, (4863), 6 states have internal predecessors, (4863), 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) [2025-03-08 22:13:31,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:31,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 807 of 1010 [2025-03-08 22:13:31,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:35,136 INFO L124 PetriNetUnfolderBase]: 2622/19152 cut-off events. [2025-03-08 22:13:35,136 INFO L125 PetriNetUnfolderBase]: For 20/33 co-relation queries the response was YES. [2025-03-08 22:13:35,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23943 conditions, 19152 events. 2622/19152 cut-off events. For 20/33 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 191531 event pairs, 1895 based on Foata normal form. 4/18001 useless extension candidates. Maximal degree in co-relation 23938. Up to 4623 conditions per place. [2025-03-08 22:13:35,225 INFO L140 encePairwiseOnDemand]: 979/1010 looper letters, 125 selfloop transitions, 102 changer transitions 0/1012 dead transitions. [2025-03-08 22:13:35,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 912 places, 1012 transitions, 2495 flow [2025-03-08 22:13:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:13:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:13:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5070 transitions. [2025-03-08 22:13:35,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8366336633663366 [2025-03-08 22:13:35,236 INFO L175 Difference]: Start difference. First operand has 907 places, 911 transitions, 1839 flow. Second operand 6 states and 5070 transitions. [2025-03-08 22:13:35,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 912 places, 1012 transitions, 2495 flow [2025-03-08 22:13:35,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 1012 transitions, 2485 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 22:13:35,258 INFO L231 Difference]: Finished difference. Result has 912 places, 1012 transitions, 2499 flow [2025-03-08 22:13:35,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=1829, PETRI_DIFFERENCE_MINUEND_PLACES=902, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=911, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2499, PETRI_PLACES=912, PETRI_TRANSITIONS=1012} [2025-03-08 22:13:35,261 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -36 predicate places. [2025-03-08 22:13:35,261 INFO L471 AbstractCegarLoop]: Abstraction has has 912 places, 1012 transitions, 2499 flow [2025-03-08 22:13:35,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 810.5) internal successors, (4863), 6 states have internal predecessors, (4863), 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) [2025-03-08 22:13:35,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:35,265 INFO L206 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, 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] [2025-03-08 22:13:35,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:13:35,265 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:35,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:35,267 INFO L85 PathProgramCache]: Analyzing trace with hash -682330996, now seen corresponding path program 1 times [2025-03-08 22:13:35,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:35,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708275563] [2025-03-08 22:13:35,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:35,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 22:13:35,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 22:13:35,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:35,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:35,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:35,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708275563] [2025-03-08 22:13:35,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708275563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:35,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:35,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:13:35,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482997918] [2025-03-08 22:13:35,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:35,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:13:35,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:35,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:13:35,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:13:35,448 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 904 out of 1010 [2025-03-08 22:13:35,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 912 places, 1012 transitions, 2499 flow. Second operand has 3 states, 3 states have (on average 906.6666666666666) internal successors, (2720), 3 states have internal predecessors, (2720), 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) [2025-03-08 22:13:35,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:35,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 904 of 1010 [2025-03-08 22:13:35,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:36,360 INFO L124 PetriNetUnfolderBase]: 293/5304 cut-off events. [2025-03-08 22:13:36,360 INFO L125 PetriNetUnfolderBase]: For 301/681 co-relation queries the response was YES. [2025-03-08 22:13:36,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6342 conditions, 5304 events. 293/5304 cut-off events. For 301/681 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 39024 event pairs, 0 based on Foata normal form. 18/5066 useless extension candidates. Maximal degree in co-relation 6333. Up to 365 conditions per place. [2025-03-08 22:13:36,385 INFO L140 encePairwiseOnDemand]: 1007/1010 looper letters, 47 selfloop transitions, 2 changer transitions 0/1016 dead transitions. [2025-03-08 22:13:36,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 914 places, 1016 transitions, 2613 flow [2025-03-08 22:13:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:13:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:13:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2746 transitions. [2025-03-08 22:13:36,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9062706270627062 [2025-03-08 22:13:36,390 INFO L175 Difference]: Start difference. First operand has 912 places, 1012 transitions, 2499 flow. Second operand 3 states and 2746 transitions. [2025-03-08 22:13:36,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 914 places, 1016 transitions, 2613 flow [2025-03-08 22:13:36,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 1016 transitions, 2613 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:13:36,408 INFO L231 Difference]: Finished difference. Result has 915 places, 1012 transitions, 2507 flow [2025-03-08 22:13:36,409 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=2499, PETRI_DIFFERENCE_MINUEND_PLACES=912, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1012, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2507, PETRI_PLACES=915, PETRI_TRANSITIONS=1012} [2025-03-08 22:13:36,411 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -33 predicate places. [2025-03-08 22:13:36,411 INFO L471 AbstractCegarLoop]: Abstraction has has 915 places, 1012 transitions, 2507 flow [2025-03-08 22:13:36,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 906.6666666666666) internal successors, (2720), 3 states have internal predecessors, (2720), 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) [2025-03-08 22:13:36,414 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:36,414 INFO L206 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, 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] [2025-03-08 22:13:36,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:13:36,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:36,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash -30306778, now seen corresponding path program 1 times [2025-03-08 22:13:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:36,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187631007] [2025-03-08 22:13:36,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:36,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-08 22:13:36,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-08 22:13:36,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:36,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:36,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187631007] [2025-03-08 22:13:36,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187631007] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:36,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:36,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:13:36,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636704920] [2025-03-08 22:13:36,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:36,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 22:13:36,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:36,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 22:13:36,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 22:13:36,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 902 out of 1010 [2025-03-08 22:13:36,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 915 places, 1012 transitions, 2507 flow. Second operand has 5 states, 5 states have (on average 904.4) internal successors, (4522), 5 states have internal predecessors, (4522), 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) [2025-03-08 22:13:36,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:36,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 902 of 1010 [2025-03-08 22:13:36,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:36,850 INFO L124 PetriNetUnfolderBase]: 188/1811 cut-off events. [2025-03-08 22:13:36,850 INFO L125 PetriNetUnfolderBase]: For 235/331 co-relation queries the response was YES. [2025-03-08 22:13:36,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2662 conditions, 1811 events. 188/1811 cut-off events. For 235/331 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10327 event pairs, 0 based on Foata normal form. 50/1790 useless extension candidates. Maximal degree in co-relation 2651. Up to 309 conditions per place. [2025-03-08 22:13:36,856 INFO L140 encePairwiseOnDemand]: 1005/1010 looper letters, 38 selfloop transitions, 4 changer transitions 0/446 dead transitions. [2025-03-08 22:13:36,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 446 transitions, 1478 flow [2025-03-08 22:13:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 22:13:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 22:13:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5439 transitions. [2025-03-08 22:13:36,864 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8975247524752475 [2025-03-08 22:13:36,864 INFO L175 Difference]: Start difference. First operand has 915 places, 1012 transitions, 2507 flow. Second operand 6 states and 5439 transitions. [2025-03-08 22:13:36,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 446 transitions, 1478 flow [2025-03-08 22:13:36,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 446 transitions, 1472 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 22:13:36,872 INFO L231 Difference]: Finished difference. Result has 348 places, 434 transitions, 1348 flow [2025-03-08 22:13:36,872 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1010, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1348, PETRI_PLACES=348, PETRI_TRANSITIONS=434} [2025-03-08 22:13:36,873 INFO L279 CegarLoopForPetriNet]: 948 programPoint places, -600 predicate places. [2025-03-08 22:13:36,874 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 434 transitions, 1348 flow [2025-03-08 22:13:36,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 904.4) internal successors, (4522), 5 states have internal predecessors, (4522), 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) [2025-03-08 22:13:36,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:36,876 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2025-03-08 22:13:36,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:13:36,877 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-08 22:13:36,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:36,877 INFO L85 PathProgramCache]: Analyzing trace with hash 758003568, now seen corresponding path program 1 times [2025-03-08 22:13:36,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:36,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851820602] [2025-03-08 22:13:36,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:36,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:36,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 22:13:36,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 22:13:36,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:36,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 22:13:36,927 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 22:13:36,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 22:13:36,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 22:13:36,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:36,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 22:13:37,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 22:13:37,004 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 22:13:37,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2025-03-08 22:13:37,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2025-03-08 22:13:37,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2025-03-08 22:13:37,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2025-03-08 22:13:37,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2025-03-08 22:13:37,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:13:37,008 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:13:37,011 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-08 22:13:37,011 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-08 22:13:37,151 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:13:37,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1146 places, 1212 transitions, 2440 flow [2025-03-08 22:13:37,962 INFO L124 PetriNetUnfolderBase]: 225/3173 cut-off events. [2025-03-08 22:13:37,962 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-03-08 22:13:38,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3185 conditions, 3173 events. 225/3173 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16234 event pairs, 0 based on Foata normal form. 0/2791 useless extension candidates. Maximal degree in co-relation 1704. Up to 24 conditions per place. [2025-03-08 22:13:38,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 1146 places, 1212 transitions, 2440 flow [2025-03-08 22:13:38,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1146 places, 1212 transitions, 2440 flow [2025-03-08 22:13:38,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:13:38,055 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=LoopHeads, 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;@a30cc77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:13:38,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2025-03-08 22:13:38,059 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:13:38,059 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2025-03-08 22:13:38,059 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:13:38,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:38,059 INFO L206 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] [2025-03-08 22:13:38,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2025-03-08 22:13:38,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:38,060 INFO L85 PathProgramCache]: Analyzing trace with hash -601482296, now seen corresponding path program 1 times [2025-03-08 22:13:38,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:38,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044286243] [2025-03-08 22:13:38,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:38,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:38,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-08 22:13:38,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-08 22:13:38,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:38,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:38,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:38,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044286243] [2025-03-08 22:13:38,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044286243] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:38,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:38,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:13:38,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462398034] [2025-03-08 22:13:38,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:38,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 22:13:38,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:38,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 22:13:38,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 22:13:38,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1100 out of 1212 [2025-03-08 22:13:38,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1146 places, 1212 transitions, 2440 flow. Second operand has 2 states, 2 states have (on average 1101.0) internal successors, (2202), 2 states have internal predecessors, (2202), 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) [2025-03-08 22:13:38,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:38,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1100 of 1212 [2025-03-08 22:13:38,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:13:43,952 INFO L124 PetriNetUnfolderBase]: 971/22129 cut-off events. [2025-03-08 22:13:43,952 INFO L125 PetriNetUnfolderBase]: For 58/61 co-relation queries the response was YES. [2025-03-08 22:13:44,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23332 conditions, 22129 events. 971/22129 cut-off events. For 58/61 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 254058 event pairs, 652 based on Foata normal form. 1328/22356 useless extension candidates. Maximal degree in co-relation 6375. Up to 1171 conditions per place. [2025-03-08 22:13:44,141 INFO L140 encePairwiseOnDemand]: 1129/1212 looper letters, 29 selfloop transitions, 0 changer transitions 6/1115 dead transitions. [2025-03-08 22:13:44,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1103 places, 1115 transitions, 2304 flow [2025-03-08 22:13:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 22:13:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 22:13:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2312 transitions. [2025-03-08 22:13:44,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9537953795379538 [2025-03-08 22:13:44,145 INFO L175 Difference]: Start difference. First operand has 1146 places, 1212 transitions, 2440 flow. Second operand 2 states and 2312 transitions. [2025-03-08 22:13:44,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1103 places, 1115 transitions, 2304 flow [2025-03-08 22:13:44,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1103 places, 1115 transitions, 2304 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 22:13:44,157 INFO L231 Difference]: Finished difference. Result has 1103 places, 1109 transitions, 2234 flow [2025-03-08 22:13:44,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1212, PETRI_DIFFERENCE_MINUEND_FLOW=2246, PETRI_DIFFERENCE_MINUEND_PLACES=1102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2234, PETRI_PLACES=1103, PETRI_TRANSITIONS=1109} [2025-03-08 22:13:44,160 INFO L279 CegarLoopForPetriNet]: 1146 programPoint places, -43 predicate places. [2025-03-08 22:13:44,160 INFO L471 AbstractCegarLoop]: Abstraction has has 1103 places, 1109 transitions, 2234 flow [2025-03-08 22:13:44,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1101.0) internal successors, (2202), 2 states have internal predecessors, (2202), 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) [2025-03-08 22:13:44,161 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:13:44,161 INFO L206 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] [2025-03-08 22:13:44,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:13:44,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2025-03-08 22:13:44,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:13:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -942374126, now seen corresponding path program 1 times [2025-03-08 22:13:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:13:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903488700] [2025-03-08 22:13:44,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:13:44,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:13:44,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 22:13:44,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 22:13:44,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:13:44,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:13:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:13:44,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:13:44,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903488700] [2025-03-08 22:13:44,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903488700] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:13:44,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:13:44,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 22:13:44,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294802844] [2025-03-08 22:13:44,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:13:44,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 22:13:44,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:13:44,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 22:13:44,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 22:13:44,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 985 out of 1212 [2025-03-08 22:13:44,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1103 places, 1109 transitions, 2234 flow. Second operand has 6 states, 6 states have (on average 986.3333333333334) internal successors, (5918), 6 states have internal predecessors, (5918), 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) [2025-03-08 22:13:44,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:13:44,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 985 of 1212 [2025-03-08 22:13:44,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand