./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 03:25:56,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:25:56,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:25:56,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:25:56,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:25:56,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:25:56,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:25:56,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:25:56,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:25:56,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:25:56,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:25:56,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:25:56,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:25:56,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:25:56,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:25:56,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:25:56,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:25:56,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:25:56,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:25:56,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:25:56,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:25:56,593 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:25:56,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:25:56,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:25:56,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:25:56,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:25:56,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:25:56,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-28 03:25:59,865 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/data/7c3bc5f6a/9c09a6d19fde44458f5a617ee6d372ee/FLAGd3f1feec4 [2024-11-28 03:26:00,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:26:00,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-28 03:26:00,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/data/7c3bc5f6a/9c09a6d19fde44458f5a617ee6d372ee/FLAGd3f1feec4 [2024-11-28 03:26:00,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/data/7c3bc5f6a/9c09a6d19fde44458f5a617ee6d372ee [2024-11-28 03:26:00,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:26:00,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:26:00,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:00,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:26:00,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:26:00,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:00" (1/1) ... [2024-11-28 03:26:00,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3060b260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:00, skipping insertion in model container [2024-11-28 03:26:00,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:00" (1/1) ... [2024-11-28 03:26:00,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:26:03,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:03,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:26:04,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-28 03:26:04,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-28 03:26:04,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-28 03:26:04,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-28 03:26:04,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-28 03:26:04,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-28 03:26:04,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-28 03:26:04,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-28 03:26:04,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-28 03:26:04,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-28 03:26:04,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-28 03:26:04,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-28 03:26:04,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-28 03:26:04,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-28 03:26:04,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-28 03:26:04,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-28 03:26:04,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-28 03:26:04,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-28 03:26:04,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-28 03:26:04,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-28 03:26:04,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-28 03:26:04,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-28 03:26:04,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-28 03:26:04,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-28 03:26:04,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-28 03:26:04,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-28 03:26:04,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-28 03:26:04,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-28 03:26:04,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-28 03:26:04,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-28 03:26:04,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-28 03:26:04,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-28 03:26:04,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-28 03:26:04,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-28 03:26:04,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-28 03:26:04,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-28 03:26:04,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-28 03:26:04,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-28 03:26:04,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-28 03:26:04,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-28 03:26:04,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-28 03:26:04,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-28 03:26:04,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-28 03:26:04,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-28 03:26:04,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-28 03:26:04,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-28 03:26:04,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-28 03:26:04,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-28 03:26:04,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-28 03:26:04,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-28 03:26:04,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-28 03:26:04,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-28 03:26:04,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-28 03:26:04,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-28 03:26:04,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-28 03:26:04,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-28 03:26:04,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-28 03:26:04,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-28 03:26:04,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-28 03:26:04,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-28 03:26:04,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-28 03:26:04,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-28 03:26:04,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-28 03:26:04,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-28 03:26:04,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-28 03:26:04,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-28 03:26:04,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-28 03:26:04,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-28 03:26:04,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-28 03:26:04,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-28 03:26:04,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-28 03:26:04,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-28 03:26:04,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-28 03:26:04,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-28 03:26:04,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-28 03:26:04,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-28 03:26:04,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-28 03:26:04,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-28 03:26:04,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-28 03:26:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-28 03:26:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-28 03:26:04,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-28 03:26:04,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-28 03:26:04,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-28 03:26:04,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-28 03:26:04,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-28 03:26:04,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-28 03:26:04,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-28 03:26:04,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-28 03:26:04,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-28 03:26:04,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-28 03:26:04,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-28 03:26:04,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-28 03:26:04,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-28 03:26:04,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-28 03:26:04,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-28 03:26:04,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-28 03:26:04,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-28 03:26:04,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-28 03:26:04,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-28 03:26:04,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:04,477 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:26:04,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04 WrapperNode [2024-11-28 03:26:04,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:04,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:04,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:26:04,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:26:04,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,673 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 947 [2024-11-28 03:26:04,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:04,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:26:04,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:26:04,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:26:04,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:26:04,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:26:04,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:26:04,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:26:04,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (1/1) ... [2024-11-28 03:26:04,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:04,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:26:04,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25a2d9f4-24f9-4e8c-962e-a7cb9ea6ab84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:26:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:26:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 03:26:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:26:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:26:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-28 03:26:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-28 03:26:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 03:26:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:26:04,867 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:26:05,131 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:26:05,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:26:07,052 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:26:07,053 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:26:07,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:26:07,401 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-28 03:26:07,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:07 BoogieIcfgContainer [2024-11-28 03:26:07,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:26:07,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:26:07,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:26:07,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:26:07,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:26:00" (1/3) ... [2024-11-28 03:26:07,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7639d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:26:07, skipping insertion in model container [2024-11-28 03:26:07,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:04" (2/3) ... [2024-11-28 03:26:07,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7639d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:26:07, skipping insertion in model container [2024-11-28 03:26:07,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:07" (3/3) ... [2024-11-28 03:26:07,413 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-28 03:26:07,430 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:26:07,432 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_full.i that has 2 procedures, 952 locations, 1 initial locations, 23 loop locations, and 48 error locations. [2024-11-28 03:26:07,432 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:26:07,740 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 03:26:07,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-28 03:26:08,702 INFO L124 PetriNetUnfolderBase]: 121/1682 cut-off events. [2024-11-28 03:26:08,704 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:26:08,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1682 events. 121/1682 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5792 event pairs, 0 based on Foata normal form. 0/1478 useless extension candidates. Maximal degree in co-relation 869. Up to 6 conditions per place. [2024-11-28 03:26:08,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-28 03:26:08,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 955 places, 1020 transitions, 2047 flow [2024-11-28 03:26:08,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:26:08,805 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;@17d3ef37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:26:08,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-11-28 03:26:08,817 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:26:08,817 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-28 03:26:08,818 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:26:08,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:08,820 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] [2024-11-28 03:26:08,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:08,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1676705096, now seen corresponding path program 1 times [2024-11-28 03:26:08,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:08,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643968955] [2024-11-28 03:26:08,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:08,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:09,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:09,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643968955] [2024-11-28 03:26:09,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643968955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:09,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:09,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:26:09,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128356884] [2024-11-28 03:26:09,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:09,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:26:09,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:09,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:26:09,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:26:09,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 917 out of 1020 [2024-11-28 03:26:09,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 1020 transitions, 2047 flow. Second operand has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:09,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:09,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 917 of 1020 [2024-11-28 03:26:09,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:10,801 INFO L124 PetriNetUnfolderBase]: 105/3769 cut-off events. [2024-11-28 03:26:10,801 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:26:10,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3915 conditions, 3769 events. 105/3769 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 24346 event pairs, 52 based on Foata normal form. 282/3865 useless extension candidates. Maximal degree in co-relation 3164. Up to 141 conditions per place. [2024-11-28 03:26:10,837 INFO L140 encePairwiseOnDemand]: 940/1020 looper letters, 23 selfloop transitions, 0 changer transitions 6/926 dead transitions. [2024-11-28 03:26:10,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 926 transitions, 1905 flow [2024-11-28 03:26:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:26:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:26:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1937 transitions. [2024-11-28 03:26:10,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9495098039215686 [2024-11-28 03:26:10,864 INFO L175 Difference]: Start difference. First operand has 955 places, 1020 transitions, 2047 flow. Second operand 2 states and 1937 transitions. [2024-11-28 03:26:10,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 926 transitions, 1905 flow [2024-11-28 03:26:10,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 917 places, 926 transitions, 1905 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:26:10,900 INFO L231 Difference]: Finished difference. Result has 917 places, 920 transitions, 1847 flow [2024-11-28 03:26:10,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1859, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1847, PETRI_PLACES=917, PETRI_TRANSITIONS=920} [2024-11-28 03:26:10,910 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -38 predicate places. [2024-11-28 03:26:10,911 INFO L471 AbstractCegarLoop]: Abstraction has has 917 places, 920 transitions, 1847 flow [2024-11-28 03:26:10,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:10,913 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:10,914 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] [2024-11-28 03:26:10,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:26:10,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:10,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1020197166, now seen corresponding path program 1 times [2024-11-28 03:26:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700609303] [2024-11-28 03:26:10,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:11,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:11,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700609303] [2024-11-28 03:26:11,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700609303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:11,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:11,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097295263] [2024-11-28 03:26:11,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:11,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:26:11,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:11,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:26:11,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:26:12,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-28 03:26:12,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 917 places, 920 transitions, 1847 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:12,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:12,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-28 03:26:12,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:17,775 INFO L124 PetriNetUnfolderBase]: 2301/17600 cut-off events. [2024-11-28 03:26:17,775 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 03:26:17,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21759 conditions, 17600 events. 2301/17600 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 176729 event pairs, 1848 based on Foata normal form. 0/16539 useless extension candidates. Maximal degree in co-relation 21755. Up to 4147 conditions per place. [2024-11-28 03:26:17,872 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/919 dead transitions. [2024-11-28 03:26:17,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 919 transitions, 2079 flow [2024-11-28 03:26:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:26:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:26:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-28 03:26:17,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-28 03:26:17,885 INFO L175 Difference]: Start difference. First operand has 917 places, 920 transitions, 1847 flow. Second operand 6 states and 5050 transitions. [2024-11-28 03:26:17,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 919 transitions, 2079 flow [2024-11-28 03:26:17,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 919 transitions, 2079 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:26:17,901 INFO L231 Difference]: Finished difference. Result has 915 places, 919 transitions, 1855 flow [2024-11-28 03:26:17,902 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1845, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1855, PETRI_PLACES=915, PETRI_TRANSITIONS=919} [2024-11-28 03:26:17,903 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -40 predicate places. [2024-11-28 03:26:17,903 INFO L471 AbstractCegarLoop]: Abstraction has has 915 places, 919 transitions, 1855 flow [2024-11-28 03:26:17,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:17,907 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:17,907 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] [2024-11-28 03:26:17,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:26:17,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:17,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:17,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1602674231, now seen corresponding path program 1 times [2024-11-28 03:26:17,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:17,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656953308] [2024-11-28 03:26:17,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:18,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:18,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656953308] [2024-11-28 03:26:18,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656953308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:18,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:18,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263201326] [2024-11-28 03:26:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:18,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:26:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:18,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:26:18,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:26:19,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-28 03:26:19,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 915 places, 919 transitions, 1855 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:19,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:19,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-28 03:26:19,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:23,465 INFO L124 PetriNetUnfolderBase]: 2301/17599 cut-off events. [2024-11-28 03:26:23,465 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-28 03:26:23,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21764 conditions, 17599 events. 2301/17599 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 176217 event pairs, 1848 based on Foata normal form. 0/16539 useless extension candidates. Maximal degree in co-relation 21759. Up to 4147 conditions per place. [2024-11-28 03:26:23,529 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/918 dead transitions. [2024-11-28 03:26:23,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 918 transitions, 2087 flow [2024-11-28 03:26:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:26:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:26:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-28 03:26:23,541 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-28 03:26:23,541 INFO L175 Difference]: Start difference. First operand has 915 places, 919 transitions, 1855 flow. Second operand 6 states and 5050 transitions. [2024-11-28 03:26:23,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 918 transitions, 2087 flow [2024-11-28 03:26:23,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 918 transitions, 2077 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:26:23,562 INFO L231 Difference]: Finished difference. Result has 914 places, 918 transitions, 1853 flow [2024-11-28 03:26:23,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=913, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1853, PETRI_PLACES=914, PETRI_TRANSITIONS=918} [2024-11-28 03:26:23,566 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -41 predicate places. [2024-11-28 03:26:23,568 INFO L471 AbstractCegarLoop]: Abstraction has has 914 places, 918 transitions, 1853 flow [2024-11-28 03:26:23,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:23,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:23,571 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] [2024-11-28 03:26:23,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:26:23,571 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:23,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:23,576 INFO L85 PathProgramCache]: Analyzing trace with hash -377310862, now seen corresponding path program 1 times [2024-11-28 03:26:23,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:23,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597896357] [2024-11-28 03:26:23,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:23,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597896357] [2024-11-28 03:26:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597896357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:23,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:23,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190108804] [2024-11-28 03:26:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:23,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:23,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:23,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:23,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:24,018 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 911 out of 1020 [2024-11-28 03:26:24,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 914 places, 918 transitions, 1853 flow. Second operand has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:24,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:24,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 911 of 1020 [2024-11-28 03:26:24,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:25,099 INFO L124 PetriNetUnfolderBase]: 120/3950 cut-off events. [2024-11-28 03:26:25,099 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-28 03:26:25,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4142 conditions, 3950 events. 120/3950 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 26333 event pairs, 0 based on Foata normal form. 2/3752 useless extension candidates. Maximal degree in co-relation 4137. Up to 174 conditions per place. [2024-11-28 03:26:25,124 INFO L140 encePairwiseOnDemand]: 1017/1020 looper letters, 31 selfloop transitions, 2 changer transitions 0/922 dead transitions. [2024-11-28 03:26:25,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 922 transitions, 1927 flow [2024-11-28 03:26:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:26:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2767 transitions. [2024-11-28 03:26:25,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-28 03:26:25,132 INFO L175 Difference]: Start difference. First operand has 914 places, 918 transitions, 1853 flow. Second operand 3 states and 2767 transitions. [2024-11-28 03:26:25,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 916 places, 922 transitions, 1927 flow [2024-11-28 03:26:25,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 911 places, 922 transitions, 1917 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 03:26:25,150 INFO L231 Difference]: Finished difference. Result has 912 places, 918 transitions, 1851 flow [2024-11-28 03:26:25,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=916, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1851, PETRI_PLACES=912, PETRI_TRANSITIONS=918} [2024-11-28 03:26:25,153 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -43 predicate places. [2024-11-28 03:26:25,153 INFO L471 AbstractCegarLoop]: Abstraction has has 912 places, 918 transitions, 1851 flow [2024-11-28 03:26:25,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:25,155 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:25,155 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] [2024-11-28 03:26:25,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:26:25,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:25,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:25,156 INFO L85 PathProgramCache]: Analyzing trace with hash 491889367, now seen corresponding path program 1 times [2024-11-28 03:26:25,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:25,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841241873] [2024-11-28 03:26:25,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:26:26,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:26,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841241873] [2024-11-28 03:26:26,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841241873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:26,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:26,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507126111] [2024-11-28 03:26:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:26,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:26:26,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:26,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:26:26,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:26:28,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 814 out of 1020 [2024-11-28 03:26:28,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 912 places, 918 transitions, 1851 flow. Second operand has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:28,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:28,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 814 of 1020 [2024-11-28 03:26:28,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:34,238 INFO L124 PetriNetUnfolderBase]: 2583/19191 cut-off events. [2024-11-28 03:26:34,238 INFO L125 PetriNetUnfolderBase]: For 32/45 co-relation queries the response was YES. [2024-11-28 03:26:34,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23998 conditions, 19191 events. 2583/19191 cut-off events. For 32/45 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 193752 event pairs, 1895 based on Foata normal form. 4/18088 useless extension candidates. Maximal degree in co-relation 23992. Up to 4590 conditions per place. [2024-11-28 03:26:34,304 INFO L140 encePairwiseOnDemand]: 989/1020 looper letters, 125 selfloop transitions, 102 changer transitions 0/1019 dead transitions. [2024-11-28 03:26:34,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 1019 transitions, 2507 flow [2024-11-28 03:26:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:26:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:26:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5112 transitions. [2024-11-28 03:26:34,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8352941176470589 [2024-11-28 03:26:34,317 INFO L175 Difference]: Start difference. First operand has 912 places, 918 transitions, 1851 flow. Second operand 6 states and 5112 transitions. [2024-11-28 03:26:34,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 1019 transitions, 2507 flow [2024-11-28 03:26:34,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 1019 transitions, 2503 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:26:34,338 INFO L231 Difference]: Finished difference. Result has 920 places, 1019 transitions, 2517 flow [2024-11-28 03:26:34,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1847, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=888, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2517, PETRI_PLACES=920, PETRI_TRANSITIONS=1019} [2024-11-28 03:26:34,340 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -35 predicate places. [2024-11-28 03:26:34,341 INFO L471 AbstractCegarLoop]: Abstraction has has 920 places, 1019 transitions, 2517 flow [2024-11-28 03:26:34,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:34,344 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:34,344 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] [2024-11-28 03:26:34,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:26:34,344 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:34,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:34,345 INFO L85 PathProgramCache]: Analyzing trace with hash -387546209, now seen corresponding path program 1 times [2024-11-28 03:26:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:34,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206411017] [2024-11-28 03:26:34,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:26:35,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:35,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206411017] [2024-11-28 03:26:35,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206411017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:35,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:35,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:35,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247014419] [2024-11-28 03:26:35,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:35,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:26:35,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:35,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:26:35,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:26:35,077 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 909 out of 1020 [2024-11-28 03:26:35,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 920 places, 1019 transitions, 2517 flow. Second operand has 5 states, 5 states have (on average 911.4) internal successors, (4557), 5 states have internal predecessors, (4557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:35,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:35,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 909 of 1020 [2024-11-28 03:26:35,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:35,449 INFO L124 PetriNetUnfolderBase]: 211/1811 cut-off events. [2024-11-28 03:26:35,449 INFO L125 PetriNetUnfolderBase]: For 259/386 co-relation queries the response was YES. [2024-11-28 03:26:35,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2655 conditions, 1811 events. 211/1811 cut-off events. For 259/386 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10221 event pairs, 0 based on Foata normal form. 50/1790 useless extension candidates. Maximal degree in co-relation 2645. Up to 309 conditions per place. [2024-11-28 03:26:35,456 INFO L140 encePairwiseOnDemand]: 1015/1020 looper letters, 38 selfloop transitions, 4 changer transitions 0/446 dead transitions. [2024-11-28 03:26:35,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 446 transitions, 1474 flow [2024-11-28 03:26:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:26:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:26:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5481 transitions. [2024-11-28 03:26:35,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955882352941177 [2024-11-28 03:26:35,469 INFO L175 Difference]: Start difference. First operand has 920 places, 1019 transitions, 2517 flow. Second operand 6 states and 5481 transitions. [2024-11-28 03:26:35,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 446 transitions, 1474 flow [2024-11-28 03:26:35,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 446 transitions, 1472 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:26:35,487 INFO L231 Difference]: Finished difference. Result has 348 places, 434 transitions, 1348 flow [2024-11-28 03:26:35,488 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, 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} [2024-11-28 03:26:35,489 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -607 predicate places. [2024-11-28 03:26:35,490 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 434 transitions, 1348 flow [2024-11-28 03:26:35,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 911.4) internal successors, (4557), 5 states have internal predecessors, (4557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:35,493 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:35,494 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] [2024-11-28 03:26:35,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:26:35,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-28 03:26:35,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:35,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2046375757, now seen corresponding path program 1 times [2024-11-28 03:26:35,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:35,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824653983] [2024-11-28 03:26:35,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:26:35,575 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:26:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:26:35,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:26:35,700 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:26:35,701 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2024-11-28 03:26:35,703 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2024-11-28 03:26:35,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2024-11-28 03:26:35,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2024-11-28 03:26:35,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2024-11-28 03:26:35,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2024-11-28 03:26:35,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:26:35,714 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:35,720 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 03:26:35,720 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 03:26:35,915 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:26:35,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-28 03:26:37,168 INFO L124 PetriNetUnfolderBase]: 234/3210 cut-off events. [2024-11-28 03:26:37,168 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 03:26:37,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 3210 events. 234/3210 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16469 event pairs, 0 based on Foata normal form. 0/2819 useless extension candidates. Maximal degree in co-relation 1723. Up to 12 conditions per place. [2024-11-28 03:26:37,221 INFO L82 GeneralOperation]: Start removeDead. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-28 03:26:37,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1153 places, 1223 transitions, 2462 flow [2024-11-28 03:26:37,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:26:37,244 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;@17d3ef37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:26:37,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-28 03:26:37,248 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:26:37,249 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-28 03:26:37,249 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:26:37,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:37,249 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] [2024-11-28 03:26:37,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 03:26:37,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:37,250 INFO L85 PathProgramCache]: Analyzing trace with hash -668871617, now seen corresponding path program 1 times [2024-11-28 03:26:37,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:37,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817628501] [2024-11-28 03:26:37,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:37,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:37,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:37,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817628501] [2024-11-28 03:26:37,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817628501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:37,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:37,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:26:37,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741744654] [2024-11-28 03:26:37,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:37,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:26:37,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:37,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:26:37,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:26:37,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1223 [2024-11-28 03:26:37,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:37,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:37,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1223 [2024-11-28 03:26:37,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:26:44,230 INFO L124 PetriNetUnfolderBase]: 971/22381 cut-off events. [2024-11-28 03:26:44,230 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2024-11-28 03:26:44,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23584 conditions, 22381 events. 971/22381 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 257052 event pairs, 652 based on Foata normal form. 1820/23100 useless extension candidates. Maximal degree in co-relation 6445. Up to 1171 conditions per place. [2024-11-28 03:26:44,432 INFO L140 encePairwiseOnDemand]: 1136/1223 looper letters, 29 selfloop transitions, 0 changer transitions 6/1122 dead transitions. [2024-11-28 03:26:44,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1110 places, 1122 transitions, 2318 flow [2024-11-28 03:26:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:26:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 03:26:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2330 transitions. [2024-11-28 03:26:44,435 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525756336876533 [2024-11-28 03:26:44,435 INFO L175 Difference]: Start difference. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand 2 states and 2330 transitions. [2024-11-28 03:26:44,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1110 places, 1122 transitions, 2318 flow [2024-11-28 03:26:44,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1110 places, 1122 transitions, 2318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:26:44,446 INFO L231 Difference]: Finished difference. Result has 1110 places, 1116 transitions, 2248 flow [2024-11-28 03:26:44,447 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1223, PETRI_DIFFERENCE_MINUEND_FLOW=2260, PETRI_DIFFERENCE_MINUEND_PLACES=1109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2248, PETRI_PLACES=1110, PETRI_TRANSITIONS=1116} [2024-11-28 03:26:44,448 INFO L279 CegarLoopForPetriNet]: 1153 programPoint places, -43 predicate places. [2024-11-28 03:26:44,448 INFO L471 AbstractCegarLoop]: Abstraction has has 1110 places, 1116 transitions, 2248 flow [2024-11-28 03:26:44,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:44,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:26:44,449 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] [2024-11-28 03:26:44,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:26:44,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-28 03:26:44,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:44,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1114399275, now seen corresponding path program 1 times [2024-11-28 03:26:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:26:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773412252] [2024-11-28 03:26:44,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:26:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:26:44,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773412252] [2024-11-28 03:26:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773412252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:44,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947971543] [2024-11-28 03:26:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:44,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:26:44,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:44,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:26:44,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:26:45,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 1223 [2024-11-28 03:26:45,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1110 places, 1116 transitions, 2248 flow. Second operand has 6 states, 6 states have (on average 993.3333333333334) internal successors, (5960), 6 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:26:45,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:26:45,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 1223 [2024-11-28 03:26:45,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand