./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/libvsync/hemlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/hemlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd --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 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:52,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:52,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:01:52,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:52,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:52,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:52,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:52,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:52,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:01:52,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:01:52,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:52,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:52,224 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:52,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:52,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:01:52,224 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:01:52,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:52,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:01:52,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:52,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:01:52,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:52,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:52,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:52,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:52,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:01:52,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:01:52,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:01:52,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:01:52,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:01:52,229 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_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd 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 -> 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 [2024-11-13 14:01:52,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:52,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:52,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:52,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:52,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:52,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/libvsync/hemlock.i Unable to find full path for "g++" [2024-11-13 14:01:54,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:01:54,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:01:54,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/sv-benchmarks/c/libvsync/hemlock.i [2024-11-13 14:01:54,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/data/afb0e9709/91132f3471bf4fdb81352c2aa86ad55e/FLAG64ed09744 [2024-11-13 14:01:54,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/data/afb0e9709/91132f3471bf4fdb81352c2aa86ad55e [2024-11-13 14:01:54,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:01:55,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:01:55,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:55,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:01:55,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:01:55,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:54" (1/1) ... [2024-11-13 14:01:55,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afa895d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:55, skipping insertion in model container [2024-11-13 14:01:55,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:54" (1/1) ... [2024-11-13 14:01:55,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:01:57,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:57,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:01:58,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-13 14:01:58,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-13 14:01:58,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-13 14:01:58,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-13 14:01:58,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-13 14:01:58,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-13 14:01:58,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-13 14:01:58,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-13 14:01:58,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-13 14:01:58,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-13 14:01:58,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-13 14:01:58,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-13 14:01:58,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-13 14:01:58,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-13 14:01:58,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-13 14:01:58,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-13 14:01:58,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-13 14:01:58,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-13 14:01:58,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-13 14:01:58,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-13 14:01:58,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-13 14:01:58,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-13 14:01:58,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-13 14:01:58,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-13 14:01:58,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-13 14:01:58,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-13 14:01:58,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-13 14:01:58,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-13 14:01:58,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-13 14:01:58,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-13 14:01:58,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-13 14:01:58,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-13 14:01:58,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-13 14:01:58,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-13 14:01:58,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-13 14:01:58,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-13 14:01:58,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-13 14:01:58,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-13 14:01:58,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-13 14:01:58,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-13 14:01:58,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-13 14:01:58,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-13 14:01:58,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-13 14:01:58,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-13 14:01:58,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-13 14:01:58,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-13 14:01:58,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-13 14:01:58,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-13 14:01:58,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-13 14:01:58,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-13 14:01:58,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-13 14:01:58,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-13 14:01:58,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-13 14:01:58,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-13 14:01:58,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-13 14:01:58,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-13 14:01:58,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-13 14:01:58,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-13 14:01:58,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-13 14:01:58,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-13 14:01:58,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-13 14:01:58,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-13 14:01:58,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-13 14:01:58,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-13 14:01:58,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-13 14:01:58,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-13 14:01:58,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-13 14:01:58,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-13 14:01:58,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-13 14:01:58,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-13 14:01:58,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-13 14:01:58,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-13 14:01:58,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-13 14:01:58,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-13 14:01:58,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-13 14:01:58,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-13 14:01:58,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-13 14:01:58,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-13 14:01:58,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-13 14:01:58,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-13 14:01:58,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-13 14:01:58,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-13 14:01:58,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-13 14:01:58,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-13 14:01:58,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-13 14:01:58,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-13 14:01:58,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-13 14:01:58,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-13 14:01:58,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-13 14:01:58,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-13 14:01:58,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-13 14:01:58,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-13 14:01:58,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-13 14:01:58,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-13 14:01:58,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-13 14:01:58,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-13 14:01:58,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-13 14:01:58,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-13 14:01:58,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-13 14:01:58,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-13 14:01:58,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:58,494 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:01:58,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58 WrapperNode [2024-11-13 14:01:58,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:58,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:58,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:01:58,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:01:58,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,704 INFO L138 Inliner]: procedures = 919, calls = 930, calls flagged for inlining = 826, calls inlined = 97, statements flattened = 1051 [2024-11-13 14:01:58,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:58,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:01:58,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:01:58,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:01:58,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:01:58,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:01:58,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:01:58,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:01:58,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (1/1) ... [2024-11-13 14:01:58,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:01:58,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:58,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:58,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ae598d-dfea-4f43-807d-0a202ca8bebf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:01:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:01:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:01:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 14:01:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:01:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:01:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-13 14:01:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:01:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:01:58,916 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:01:59,152 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:01:59,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:02:01,025 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:02:01,025 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:02:01,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:02:01,400 INFO L316 CfgBuilder]: Removed 129 assume(true) statements. [2024-11-13 14:02:01,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:01 BoogieIcfgContainer [2024-11-13 14:02:01,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:02:01,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:02:01,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:02:01,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:02:01,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:01:54" (1/3) ... [2024-11-13 14:02:01,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed5ce63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:01, skipping insertion in model container [2024-11-13 14:02:01,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:58" (2/3) ... [2024-11-13 14:02:01,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed5ce63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:02:01, skipping insertion in model container [2024-11-13 14:02:01,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:02:01" (3/3) ... [2024-11-13 14:02:01,412 INFO L112 eAbstractionObserver]: Analyzing ICFG hemlock.i [2024-11-13 14:02:01,429 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:02:01,431 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hemlock.i that has 2 procedures, 1023 locations, 1 initial locations, 70 loop locations, and 39 error locations. [2024-11-13 14:02:01,431 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:02:01,810 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 14:02:01,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1026 places, 1183 transitions, 2373 flow [2024-11-13 14:02:02,386 INFO L124 PetriNetUnfolderBase]: 176/1263 cut-off events. [2024-11-13 14:02:02,388 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:02:02,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 1263 events. 176/1263 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4819 event pairs, 0 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 1136. Up to 6 conditions per place. [2024-11-13 14:02:02,421 INFO L82 GeneralOperation]: Start removeDead. Operand has 1026 places, 1183 transitions, 2373 flow [2024-11-13 14:02:02,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1026 places, 1183 transitions, 2373 flow [2024-11-13 14:02:02,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:02:02,470 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;@284ba6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:02:02,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-13 14:02:02,489 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:02:02,489 INFO L124 PetriNetUnfolderBase]: 14/70 cut-off events. [2024-11-13 14:02:02,489 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:02:02,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:02,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:02,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:02,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:02,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2086547774, now seen corresponding path program 1 times [2024-11-13 14:02:02,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:02,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332378246] [2024-11-13 14:02:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:02,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:02,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332378246] [2024-11-13 14:02:02,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332378246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:02,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:02,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:02,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698435707] [2024-11-13 14:02:02,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:02,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:02:02,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:02,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:02:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:02:02,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 994 out of 1183 [2024-11-13 14:02:02,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1183 transitions, 2373 flow. Second operand has 2 states, 2 states have (on average 994.5) internal successors, (1989), 2 states have internal predecessors, (1989), 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) [2024-11-13 14:02:02,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:02,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 994 of 1183 [2024-11-13 14:02:02,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:03,303 INFO L124 PetriNetUnfolderBase]: 27/1076 cut-off events. [2024-11-13 14:02:03,304 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 14:02:03,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 1076 events. 27/1076 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4192 event pairs, 0 based on Foata normal form. 485/1513 useless extension candidates. Maximal degree in co-relation 999. Up to 27 conditions per place. [2024-11-13 14:02:03,317 INFO L140 encePairwiseOnDemand]: 1020/1183 looper letters, 26 selfloop transitions, 0 changer transitions 0/1016 dead transitions. [2024-11-13 14:02:03,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1016 transitions, 2091 flow [2024-11-13 14:02:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:02:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 14:02:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2177 transitions. [2024-11-13 14:02:03,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9201183431952663 [2024-11-13 14:02:03,338 INFO L175 Difference]: Start difference. First operand has 1026 places, 1183 transitions, 2373 flow. Second operand 2 states and 2177 transitions. [2024-11-13 14:02:03,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1016 transitions, 2091 flow [2024-11-13 14:02:03,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1016 transitions, 2091 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:02:03,364 INFO L231 Difference]: Finished difference. Result has 993 places, 1016 transitions, 2039 flow [2024-11-13 14:02:03,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2039, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1016, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2039, PETRI_PLACES=993, PETRI_TRANSITIONS=1016} [2024-11-13 14:02:03,371 INFO L277 CegarLoopForPetriNet]: 1026 programPoint places, -33 predicate places. [2024-11-13 14:02:03,371 INFO L471 AbstractCegarLoop]: Abstraction has has 993 places, 1016 transitions, 2039 flow [2024-11-13 14:02:03,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 994.5) internal successors, (1989), 2 states have internal predecessors, (1989), 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) [2024-11-13 14:02:03,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:03,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:03,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:02:03,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:03,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:03,374 INFO L85 PathProgramCache]: Analyzing trace with hash -342715307, now seen corresponding path program 1 times [2024-11-13 14:02:03,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:03,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912821616] [2024-11-13 14:02:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:03,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:04,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:04,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912821616] [2024-11-13 14:02:04,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912821616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:04,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:04,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:02:04,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986402181] [2024-11-13 14:02:04,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:04,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:02:04,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:02:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:02:05,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 975 out of 1183 [2024-11-13 14:02:05,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 993 places, 1016 transitions, 2039 flow. Second operand has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 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) [2024-11-13 14:02:05,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:05,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 975 of 1183 [2024-11-13 14:02:05,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:08,002 INFO L124 PetriNetUnfolderBase]: 706/8573 cut-off events. [2024-11-13 14:02:08,002 INFO L125 PetriNetUnfolderBase]: For 6/19 co-relation queries the response was YES. [2024-11-13 14:02:08,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9671 conditions, 8573 events. 706/8573 cut-off events. For 6/19 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 94250 event pairs, 216 based on Foata normal form. 4/7891 useless extension candidates. Maximal degree in co-relation 9667. Up to 936 conditions per place. [2024-11-13 14:02:08,044 INFO L140 encePairwiseOnDemand]: 1152/1183 looper letters, 44 selfloop transitions, 102 changer transitions 0/1117 dead transitions. [2024-11-13 14:02:08,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1117 transitions, 2533 flow [2024-11-13 14:02:08,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:02:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:02:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5997 transitions. [2024-11-13 14:02:08,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8448858833474218 [2024-11-13 14:02:08,058 INFO L175 Difference]: Start difference. First operand has 993 places, 1016 transitions, 2039 flow. Second operand 6 states and 5997 transitions. [2024-11-13 14:02:08,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1117 transitions, 2533 flow [2024-11-13 14:02:08,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1117 transitions, 2533 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:02:08,080 INFO L231 Difference]: Finished difference. Result has 1003 places, 1117 transitions, 2709 flow [2024-11-13 14:02:08,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2039, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2709, PETRI_PLACES=1003, PETRI_TRANSITIONS=1117} [2024-11-13 14:02:08,082 INFO L277 CegarLoopForPetriNet]: 1026 programPoint places, -23 predicate places. [2024-11-13 14:02:08,082 INFO L471 AbstractCegarLoop]: Abstraction has has 1003 places, 1117 transitions, 2709 flow [2024-11-13 14:02:08,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 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) [2024-11-13 14:02:08,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:08,086 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:08,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:02:08,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:08,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash 420189074, now seen corresponding path program 1 times [2024-11-13 14:02:08,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:08,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303721690] [2024-11-13 14:02:08,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:08,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:08,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:08,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303721690] [2024-11-13 14:02:08,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303721690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:08,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:08,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:08,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848304915] [2024-11-13 14:02:08,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:08,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:02:08,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:08,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:02:08,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:02:08,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 1183 [2024-11-13 14:02:08,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1003 places, 1117 transitions, 2709 flow. Second operand has 3 states, 3 states have (on average 984.6666666666666) internal successors, (2954), 3 states have internal predecessors, (2954), 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) [2024-11-13 14:02:08,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:08,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 1183 [2024-11-13 14:02:08,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:10,318 INFO L124 PetriNetUnfolderBase]: 771/12262 cut-off events. [2024-11-13 14:02:10,318 INFO L125 PetriNetUnfolderBase]: For 1053/1354 co-relation queries the response was YES. [2024-11-13 14:02:10,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14194 conditions, 12262 events. 771/12262 cut-off events. For 1053/1354 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 130166 event pairs, 126 based on Foata normal form. 20/11625 useless extension candidates. Maximal degree in co-relation 14185. Up to 571 conditions per place. [2024-11-13 14:02:10,485 INFO L140 encePairwiseOnDemand]: 1174/1183 looper letters, 154 selfloop transitions, 6 changer transitions 0/1145 dead transitions. [2024-11-13 14:02:10,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1145 transitions, 3133 flow [2024-11-13 14:02:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:02:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:02:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-13 14:02:10,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.850662158354466 [2024-11-13 14:02:10,493 INFO L175 Difference]: Start difference. First operand has 1003 places, 1117 transitions, 2709 flow. Second operand 3 states and 3019 transitions. [2024-11-13 14:02:10,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1145 transitions, 3133 flow [2024-11-13 14:02:10,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1145 transitions, 3133 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:02:10,516 INFO L231 Difference]: Finished difference. Result has 1006 places, 1121 transitions, 2755 flow [2024-11-13 14:02:10,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2707, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2755, PETRI_PLACES=1006, PETRI_TRANSITIONS=1121} [2024-11-13 14:02:10,518 INFO L277 CegarLoopForPetriNet]: 1026 programPoint places, -20 predicate places. [2024-11-13 14:02:10,519 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1121 transitions, 2755 flow [2024-11-13 14:02:10,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 984.6666666666666) internal successors, (2954), 3 states have internal predecessors, (2954), 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) [2024-11-13 14:02:10,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:10,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:10,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:02:10,521 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:10,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:10,522 INFO L85 PathProgramCache]: Analyzing trace with hash 74882639, now seen corresponding path program 1 times [2024-11-13 14:02:10,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:10,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923441261] [2024-11-13 14:02:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:10,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:10,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:10,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923441261] [2024-11-13 14:02:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923441261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:10,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:10,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:10,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972863107] [2024-11-13 14:02:10,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:10,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:02:10,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:10,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:02:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:02:10,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1183 [2024-11-13 14:02:10,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1121 transitions, 2755 flow. Second operand has 3 states, 3 states have (on average 987.6666666666666) internal successors, (2963), 3 states have internal predecessors, (2963), 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) [2024-11-13 14:02:10,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:10,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1183 [2024-11-13 14:02:10,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:13,145 INFO L124 PetriNetUnfolderBase]: 852/15139 cut-off events. [2024-11-13 14:02:13,146 INFO L125 PetriNetUnfolderBase]: For 1195/1698 co-relation queries the response was YES. [2024-11-13 14:02:13,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17433 conditions, 15139 events. 852/15139 cut-off events. For 1195/1698 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 167595 event pairs, 62 based on Foata normal form. 97/14533 useless extension candidates. Maximal degree in co-relation 17422. Up to 653 conditions per place. [2024-11-13 14:02:13,202 INFO L140 encePairwiseOnDemand]: 1177/1183 looper letters, 151 selfloop transitions, 4 changer transitions 0/1147 dead transitions. [2024-11-13 14:02:13,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1147 transitions, 3165 flow [2024-11-13 14:02:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:02:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:02:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3022 transitions. [2024-11-13 14:02:13,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8515074668920822 [2024-11-13 14:02:13,209 INFO L175 Difference]: Start difference. First operand has 1006 places, 1121 transitions, 2755 flow. Second operand 3 states and 3022 transitions. [2024-11-13 14:02:13,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1147 transitions, 3165 flow [2024-11-13 14:02:13,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1147 transitions, 3153 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:02:13,232 INFO L231 Difference]: Finished difference. Result has 1007 places, 1123 transitions, 2771 flow [2024-11-13 14:02:13,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2741, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2771, PETRI_PLACES=1007, PETRI_TRANSITIONS=1123} [2024-11-13 14:02:13,236 INFO L277 CegarLoopForPetriNet]: 1026 programPoint places, -19 predicate places. [2024-11-13 14:02:13,236 INFO L471 AbstractCegarLoop]: Abstraction has has 1007 places, 1123 transitions, 2771 flow [2024-11-13 14:02:13,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 987.6666666666666) internal successors, (2963), 3 states have internal predecessors, (2963), 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) [2024-11-13 14:02:13,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:13,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:13,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:02:13,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:13,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1117381560, now seen corresponding path program 1 times [2024-11-13 14:02:13,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:13,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714369853] [2024-11-13 14:02:13,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:13,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:13,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:13,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714369853] [2024-11-13 14:02:13,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714369853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:13,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:13,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:02:13,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727221285] [2024-11-13 14:02:13,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:13,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:02:13,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:13,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:02:13,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:02:13,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 1183 [2024-11-13 14:02:13,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1123 transitions, 2771 flow. Second operand has 3 states, 3 states have (on average 989.3333333333334) internal successors, (2968), 3 states have internal predecessors, (2968), 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) [2024-11-13 14:02:13,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:13,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 1183 [2024-11-13 14:02:13,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:15,583 INFO L124 PetriNetUnfolderBase]: 805/16405 cut-off events. [2024-11-13 14:02:15,583 INFO L125 PetriNetUnfolderBase]: For 1217/1873 co-relation queries the response was YES. [2024-11-13 14:02:15,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18716 conditions, 16405 events. 805/16405 cut-off events. For 1217/1873 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 186063 event pairs, 132 based on Foata normal form. 10/15703 useless extension candidates. Maximal degree in co-relation 18704. Up to 788 conditions per place. [2024-11-13 14:02:15,647 INFO L140 encePairwiseOnDemand]: 1180/1183 looper letters, 153 selfloop transitions, 2 changer transitions 0/1150 dead transitions. [2024-11-13 14:02:15,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1009 places, 1150 transitions, 3195 flow [2024-11-13 14:02:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:02:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:02:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-13 14:02:15,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512256973795436 [2024-11-13 14:02:15,654 INFO L175 Difference]: Start difference. First operand has 1007 places, 1123 transitions, 2771 flow. Second operand 3 states and 3021 transitions. [2024-11-13 14:02:15,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1009 places, 1150 transitions, 3195 flow [2024-11-13 14:02:15,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1007 places, 1150 transitions, 3187 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:02:15,675 INFO L231 Difference]: Finished difference. Result has 1008 places, 1123 transitions, 2771 flow [2024-11-13 14:02:15,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2763, PETRI_DIFFERENCE_MINUEND_PLACES=1005, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2771, PETRI_PLACES=1008, PETRI_TRANSITIONS=1123} [2024-11-13 14:02:15,678 INFO L277 CegarLoopForPetriNet]: 1026 programPoint places, -18 predicate places. [2024-11-13 14:02:15,678 INFO L471 AbstractCegarLoop]: Abstraction has has 1008 places, 1123 transitions, 2771 flow [2024-11-13 14:02:15,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 989.3333333333334) internal successors, (2968), 3 states have internal predecessors, (2968), 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) [2024-11-13 14:02:15,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:15,680 INFO L204 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] [2024-11-13 14:02:15,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:02:15,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-13 14:02:15,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1764835163, now seen corresponding path program 1 times [2024-11-13 14:02:15,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:15,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607777082] [2024-11-13 14:02:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:15,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:15,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:02:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:02:15,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:02:15,762 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:02:15,763 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-11-13 14:02:15,765 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-11-13 14:02:15,766 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-11-13 14:02:15,767 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-11-13 14:02:15,768 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-11-13 14:02:15,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-11-13 14:02:15,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-11-13 14:02:15,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-11-13 14:02:15,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-11-13 14:02:15,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-11-13 14:02:15,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:02:15,774 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 14:02:15,776 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 14:02:15,777 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 14:02:16,188 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:02:16,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1942 places, 2235 transitions, 4486 flow [2024-11-13 14:02:18,061 INFO L124 PetriNetUnfolderBase]: 340/2460 cut-off events. [2024-11-13 14:02:18,061 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 14:02:18,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2472 conditions, 2460 events. 340/2460 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 13419 event pairs, 0 based on Foata normal form. 0/2029 useless extension candidates. Maximal degree in co-relation 2241. Up to 12 conditions per place. [2024-11-13 14:02:18,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 1942 places, 2235 transitions, 4486 flow [2024-11-13 14:02:18,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1942 places, 2235 transitions, 4486 flow [2024-11-13 14:02:18,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:02:18,245 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;@284ba6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:02:18,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2024-11-13 14:02:18,252 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:02:18,252 INFO L124 PetriNetUnfolderBase]: 14/70 cut-off events. [2024-11-13 14:02:18,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:02:18,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:18,253 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:18,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2024-11-13 14:02:18,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:18,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1761260734, now seen corresponding path program 1 times [2024-11-13 14:02:18,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:18,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449334548] [2024-11-13 14:02:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:18,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449334548] [2024-11-13 14:02:18,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449334548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:18,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:18,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:02:18,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978588442] [2024-11-13 14:02:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:18,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:02:18,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:02:18,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:02:18,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1879 out of 2235 [2024-11-13 14:02:18,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1942 places, 2235 transitions, 4486 flow. Second operand has 2 states, 2 states have (on average 1879.5) internal successors, (3759), 2 states have internal predecessors, (3759), 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) [2024-11-13 14:02:18,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:18,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1879 of 2235 [2024-11-13 14:02:18,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:02:26,310 INFO L124 PetriNetUnfolderBase]: 1327/28163 cut-off events. [2024-11-13 14:02:26,311 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2024-11-13 14:02:26,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29646 conditions, 28163 events. 1327/28163 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 375731 event pairs, 648 based on Foata normal form. 14936/41711 useless extension candidates. Maximal degree in co-relation 2367. Up to 1351 conditions per place. [2024-11-13 14:02:26,665 INFO L140 encePairwiseOnDemand]: 1931/2235 looper letters, 52 selfloop transitions, 0 changer transitions 0/1927 dead transitions. [2024-11-13 14:02:26,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1879 places, 1927 transitions, 3974 flow [2024-11-13 14:02:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:02:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 14:02:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4114 transitions. [2024-11-13 14:02:26,673 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9203579418344519 [2024-11-13 14:02:26,673 INFO L175 Difference]: Start difference. First operand has 1942 places, 2235 transitions, 4486 flow. Second operand 2 states and 4114 transitions. [2024-11-13 14:02:26,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1879 places, 1927 transitions, 3974 flow [2024-11-13 14:02:26,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1879 places, 1927 transitions, 3974 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:02:26,699 INFO L231 Difference]: Finished difference. Result has 1879 places, 1927 transitions, 3870 flow [2024-11-13 14:02:26,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2235, PETRI_DIFFERENCE_MINUEND_FLOW=3870, PETRI_DIFFERENCE_MINUEND_PLACES=1878, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1927, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3870, PETRI_PLACES=1879, PETRI_TRANSITIONS=1927} [2024-11-13 14:02:26,703 INFO L277 CegarLoopForPetriNet]: 1942 programPoint places, -63 predicate places. [2024-11-13 14:02:26,703 INFO L471 AbstractCegarLoop]: Abstraction has has 1879 places, 1927 transitions, 3870 flow [2024-11-13 14:02:26,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1879.5) internal successors, (3759), 2 states have internal predecessors, (3759), 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) [2024-11-13 14:02:26,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:02:26,705 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:02:26,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:02:26,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2024-11-13 14:02:26,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:02:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1801137813, now seen corresponding path program 1 times [2024-11-13 14:02:26,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:02:26,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655462313] [2024-11-13 14:02:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:02:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:02:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:02:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:02:27,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:02:27,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655462313] [2024-11-13 14:02:27,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655462313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:02:27,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:02:27,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:02:27,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310721171] [2024-11-13 14:02:27,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:02:27,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:02:27,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:02:27,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:02:27,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:02:27,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1860 out of 2235 [2024-11-13 14:02:27,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1879 places, 1927 transitions, 3870 flow. Second operand has 6 states, 6 states have (on average 1861.5) internal successors, (11169), 6 states have internal predecessors, (11169), 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) [2024-11-13 14:02:27,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:02:27,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1860 of 2235 [2024-11-13 14:02:27,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand