./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hemlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:39:44,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:39:44,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:39:44,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:39:44,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:39:44,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:39:44,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:39:44,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:39:44,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:39:44,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:39:44,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:39:44,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:39:44,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:39:44,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:39:44,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:39:44,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:39:44,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 [2025-01-09 21:39:44,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:39:44,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:39:44,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:39:44,444 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:39:44,444 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:39:44,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hemlock.i [2025-01-09 21:39:45,547 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bda27e880/ee2c1a4eba5f401c9845216f856d43f7/FLAG88c6e97b6 [2025-01-09 21:39:45,927 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:39:45,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/hemlock.i [2025-01-09 21:39:45,965 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bda27e880/ee2c1a4eba5f401c9845216f856d43f7/FLAG88c6e97b6 [2025-01-09 21:39:46,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bda27e880/ee2c1a4eba5f401c9845216f856d43f7 [2025-01-09 21:39:46,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:39:46,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:39:46,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:39:46,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:39:46,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:39:46,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:39:46" (1/1) ... [2025-01-09 21:39:46,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab90da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:46, skipping insertion in model container [2025-01-09 21:39:46,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:39:46" (1/1) ... [2025-01-09 21:39:46,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:39:47,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:39:47,904 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:39:47,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-01-09 21:39:47,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-01-09 21:39:47,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-01-09 21:39:47,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-01-09 21:39:47,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-01-09 21:39:47,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-01-09 21:39:47,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-01-09 21:39:47,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-01-09 21:39:47,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-01-09 21:39:47,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-01-09 21:39:47,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-01-09 21:39:47,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-01-09 21:39:47,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-01-09 21:39:47,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-01-09 21:39:47,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-01-09 21:39:47,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-01-09 21:39:47,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-01-09 21:39:47,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-01-09 21:39:47,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-01-09 21:39:47,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-01-09 21:39:47,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-01-09 21:39:47,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-01-09 21:39:47,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-01-09 21:39:47,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-01-09 21:39:47,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-01-09 21:39:47,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-01-09 21:39:47,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-01-09 21:39:47,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-01-09 21:39:47,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-01-09 21:39:47,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-01-09 21:39:47,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-01-09 21:39:47,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-01-09 21:39:47,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-01-09 21:39:47,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-01-09 21:39:47,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-01-09 21:39:47,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-01-09 21:39:47,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-01-09 21:39:47,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-01-09 21:39:47,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-01-09 21:39:47,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-01-09 21:39:47,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-01-09 21:39:47,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-01-09 21:39:48,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-01-09 21:39:48,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-01-09 21:39:48,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-01-09 21:39:48,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-01-09 21:39:48,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-01-09 21:39:48,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-01-09 21:39:48,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-01-09 21:39:48,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-01-09 21:39:48,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-01-09 21:39:48,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-01-09 21:39:48,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-01-09 21:39:48,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-01-09 21:39:48,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-01-09 21:39:48,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-01-09 21:39:48,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-01-09 21:39:48,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-01-09 21:39:48,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-01-09 21:39:48,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-01-09 21:39:48,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-01-09 21:39:48,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-01-09 21:39:48,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-01-09 21:39:48,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-01-09 21:39:48,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-01-09 21:39:48,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-01-09 21:39:48,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-01-09 21:39:48,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-01-09 21:39:48,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-01-09 21:39:48,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-01-09 21:39:48,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-01-09 21:39:48,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-01-09 21:39:48,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-01-09 21:39:48,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-01-09 21:39:48,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-01-09 21:39:48,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-01-09 21:39:48,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-01-09 21:39:48,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-01-09 21:39:48,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-01-09 21:39:48,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-01-09 21:39:48,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-01-09 21:39:48,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-01-09 21:39:48,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-01-09 21:39:48,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-01-09 21:39:48,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-01-09 21:39:48,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-01-09 21:39:48,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-01-09 21:39:48,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-01-09 21:39:48,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-01-09 21:39:48,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-01-09 21:39:48,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-01-09 21:39:48,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-01-09 21:39:48,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-01-09 21:39:48,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-01-09 21:39:48,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-01-09 21:39:48,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-01-09 21:39:48,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-01-09 21:39:48,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-01-09 21:39:48,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-01-09 21:39:48,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-01-09 21:39:48,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:39:48,257 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:39:48,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48 WrapperNode [2025-01-09 21:39:48,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:39:48,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:39:48,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:39:48,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:39:48,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,377 INFO L138 Inliner]: procedures = 919, calls = 930, calls flagged for inlining = 826, calls inlined = 97, statements flattened = 1041 [2025-01-09 21:39:48,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:39:48,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:39:48,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:39:48,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:39:48,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:39:48,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:39:48,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:39:48,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:39:48,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (1/1) ... [2025-01-09 21:39:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:39:48,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:39:48,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:39:48,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:39:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-01-09 21:39:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-01-09 21:39:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:39:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 21:39:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:39:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:39:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 21:39:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:39:48,522 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:39:48,661 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:39:48,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:39:49,685 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:39:49,685 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:39:49,924 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:39:49,925 INFO L312 CfgBuilder]: Removed 65 assume(true) statements. [2025-01-09 21:39:49,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:39:49 BoogieIcfgContainer [2025-01-09 21:39:49,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:39:49,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:39:49,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:39:49,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:39:49,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:39:46" (1/3) ... [2025-01-09 21:39:49,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079d089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:39:49, skipping insertion in model container [2025-01-09 21:39:49,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:48" (2/3) ... [2025-01-09 21:39:49,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079d089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:39:49, skipping insertion in model container [2025-01-09 21:39:49,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:39:49" (3/3) ... [2025-01-09 21:39:49,933 INFO L128 eAbstractionObserver]: Analyzing ICFG hemlock.i [2025-01-09 21:39:49,948 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:39:49,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hemlock.i that has 2 procedures, 1023 locations, 1 initial locations, 70 loop locations, and 39 error locations. [2025-01-09 21:39:49,950 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:39:50,218 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:39:50,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1026 places, 1178 transitions, 2363 flow [2025-01-09 21:39:50,616 INFO L124 PetriNetUnfolderBase]: 169/1256 cut-off events. [2025-01-09 21:39:50,618 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:39:50,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1261 conditions, 1256 events. 169/1256 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4809 event pairs, 0 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 1131. Up to 6 conditions per place. [2025-01-09 21:39:50,647 INFO L82 GeneralOperation]: Start removeDead. Operand has 1026 places, 1178 transitions, 2363 flow [2025-01-09 21:39:50,671 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1026 places, 1178 transitions, 2363 flow [2025-01-09 21:39:50,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:39:50,690 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;@4af9b502, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:39:50,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-01-09 21:39:50,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:39:50,700 INFO L124 PetriNetUnfolderBase]: 12/70 cut-off events. [2025-01-09 21:39:50,700 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:39:50,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:50,701 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:50,702 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)] === [2025-01-09 21:39:50,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 68781951, now seen corresponding path program 1 times [2025-01-09 21:39:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:50,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057157189] [2025-01-09 21:39:50,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:50,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 21:39:50,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 21:39:50,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:50,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:39:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:39:50,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:39:50,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057157189] [2025-01-09 21:39:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057157189] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:39:50,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:39:50,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:39:50,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544947581] [2025-01-09 21:39:50,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:39:50,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:39:50,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:39:50,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:39:50,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:39:50,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 994 out of 1178 [2025-01-09 21:39:50,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1178 transitions, 2363 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) [2025-01-09 21:39:50,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:39:50,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 994 of 1178 [2025-01-09 21:39:50,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:39:51,220 INFO L124 PetriNetUnfolderBase]: 27/1076 cut-off events. [2025-01-09 21:39:51,221 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:39:51,226 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 4191 event pairs, 0 based on Foata normal form. 430/1458 useless extension candidates. Maximal degree in co-relation 999. Up to 27 conditions per place. [2025-01-09 21:39:51,232 INFO L140 encePairwiseOnDemand]: 1020/1178 looper letters, 26 selfloop transitions, 0 changer transitions 0/1016 dead transitions. [2025-01-09 21:39:51,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1016 transitions, 2091 flow [2025-01-09 21:39:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:39:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:39:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2172 transitions. [2025-01-09 21:39:51,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219015280135824 [2025-01-09 21:39:51,256 INFO L175 Difference]: Start difference. First operand has 1026 places, 1178 transitions, 2363 flow. Second operand 2 states and 2172 transitions. [2025-01-09 21:39:51,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1016 transitions, 2091 flow [2025-01-09 21:39:51,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1016 transitions, 2091 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:39:51,282 INFO L231 Difference]: Finished difference. Result has 993 places, 1016 transitions, 2039 flow [2025-01-09 21:39:51,285 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, 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} [2025-01-09 21:39:51,287 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -33 predicate places. [2025-01-09 21:39:51,288 INFO L471 AbstractCegarLoop]: Abstraction has has 993 places, 1016 transitions, 2039 flow [2025-01-09 21:39:51,289 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) [2025-01-09 21:39:51,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:51,289 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:51,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:39:51,291 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)] === [2025-01-09 21:39:51,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:51,292 INFO L85 PathProgramCache]: Analyzing trace with hash 426095297, now seen corresponding path program 1 times [2025-01-09 21:39:51,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:51,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849467277] [2025-01-09 21:39:51,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:51,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:51,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:39:51,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:39:51,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:51,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:39:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:39:52,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:39:52,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849467277] [2025-01-09 21:39:52,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849467277] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:39:52,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:39:52,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:39:52,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047864752] [2025-01-09 21:39:52,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:39:52,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:39:52,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:39:52,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:39:52,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:39:52,267 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 975 out of 1178 [2025-01-09 21:39:52,273 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) [2025-01-09 21:39:52,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:39:52,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 975 of 1178 [2025-01-09 21:39:52,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:39:53,858 INFO L124 PetriNetUnfolderBase]: 706/8573 cut-off events. [2025-01-09 21:39:53,858 INFO L125 PetriNetUnfolderBase]: For 6/19 co-relation queries the response was YES. [2025-01-09 21:39:53,870 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 94243 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. [2025-01-09 21:39:53,887 INFO L140 encePairwiseOnDemand]: 1147/1178 looper letters, 44 selfloop transitions, 102 changer transitions 0/1117 dead transitions. [2025-01-09 21:39:53,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1117 transitions, 2533 flow [2025-01-09 21:39:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:39:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:39:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5997 transitions. [2025-01-09 21:39:53,899 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8484719864176571 [2025-01-09 21:39:53,899 INFO L175 Difference]: Start difference. First operand has 993 places, 1016 transitions, 2039 flow. Second operand 6 states and 5997 transitions. [2025-01-09 21:39:53,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1117 transitions, 2533 flow [2025-01-09 21:39:53,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1117 transitions, 2533 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:39:53,918 INFO L231 Difference]: Finished difference. Result has 1003 places, 1117 transitions, 2709 flow [2025-01-09 21:39:53,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, 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} [2025-01-09 21:39:53,920 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -23 predicate places. [2025-01-09 21:39:53,920 INFO L471 AbstractCegarLoop]: Abstraction has has 1003 places, 1117 transitions, 2709 flow [2025-01-09 21:39:53,923 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) [2025-01-09 21:39:53,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:53,923 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:53,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:39:53,923 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)] === [2025-01-09 21:39:53,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -119460659, now seen corresponding path program 1 times [2025-01-09 21:39:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:53,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498109984] [2025-01-09 21:39:53,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:53,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 21:39:53,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 21:39:53,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:53,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:39:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:39:53,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:39:53,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498109984] [2025-01-09 21:39:53,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498109984] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:39:53,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:39:53,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:39:53,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687448244] [2025-01-09 21:39:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:39:53,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:39:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:39:53,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:39:53,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:39:53,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 1178 [2025-01-09 21:39:53,986 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) [2025-01-09 21:39:53,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:39:53,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 1178 [2025-01-09 21:39:53,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:39:55,253 INFO L124 PetriNetUnfolderBase]: 770/12264 cut-off events. [2025-01-09 21:39:55,253 INFO L125 PetriNetUnfolderBase]: For 1050/1348 co-relation queries the response was YES. [2025-01-09 21:39:55,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14198 conditions, 12264 events. 770/12264 cut-off events. For 1050/1348 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 130256 event pairs, 126 based on Foata normal form. 20/11627 useless extension candidates. Maximal degree in co-relation 14189. Up to 571 conditions per place. [2025-01-09 21:39:55,305 INFO L140 encePairwiseOnDemand]: 1169/1178 looper letters, 154 selfloop transitions, 6 changer transitions 0/1145 dead transitions. [2025-01-09 21:39:55,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1145 transitions, 3133 flow [2025-01-09 21:39:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:39:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:39:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2025-01-09 21:39:55,312 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.854272778720996 [2025-01-09 21:39:55,312 INFO L175 Difference]: Start difference. First operand has 1003 places, 1117 transitions, 2709 flow. Second operand 3 states and 3019 transitions. [2025-01-09 21:39:55,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1145 transitions, 3133 flow [2025-01-09 21:39:55,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1145 transitions, 3133 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:39:55,332 INFO L231 Difference]: Finished difference. Result has 1006 places, 1121 transitions, 2755 flow [2025-01-09 21:39:55,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, 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} [2025-01-09 21:39:55,334 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -20 predicate places. [2025-01-09 21:39:55,334 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1121 transitions, 2755 flow [2025-01-09 21:39:55,336 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) [2025-01-09 21:39:55,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:55,336 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:55,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:39:55,336 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)] === [2025-01-09 21:39:55,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:55,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1162535209, now seen corresponding path program 1 times [2025-01-09 21:39:55,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728927911] [2025-01-09 21:39:55,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:55,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:55,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 21:39:55,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 21:39:55,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:55,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:39:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:39:55,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:39:55,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728927911] [2025-01-09 21:39:55,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728927911] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:39:55,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:39:55,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:39:55,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483992561] [2025-01-09 21:39:55,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:39:55,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:39:55,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:39:55,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:39:55,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:39:55,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1178 [2025-01-09 21:39:55,382 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) [2025-01-09 21:39:55,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:39:55,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1178 [2025-01-09 21:39:55,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:39:56,856 INFO L124 PetriNetUnfolderBase]: 851/15141 cut-off events. [2025-01-09 21:39:56,857 INFO L125 PetriNetUnfolderBase]: For 1192/1692 co-relation queries the response was YES. [2025-01-09 21:39:56,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17437 conditions, 15141 events. 851/15141 cut-off events. For 1192/1692 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 167320 event pairs, 62 based on Foata normal form. 97/14535 useless extension candidates. Maximal degree in co-relation 17426. Up to 653 conditions per place. [2025-01-09 21:39:56,908 INFO L140 encePairwiseOnDemand]: 1172/1178 looper letters, 151 selfloop transitions, 4 changer transitions 0/1147 dead transitions. [2025-01-09 21:39:56,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1147 transitions, 3165 flow [2025-01-09 21:39:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:39:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:39:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3022 transitions. [2025-01-09 21:39:56,913 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.855121675155631 [2025-01-09 21:39:56,913 INFO L175 Difference]: Start difference. First operand has 1006 places, 1121 transitions, 2755 flow. Second operand 3 states and 3022 transitions. [2025-01-09 21:39:56,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1147 transitions, 3165 flow [2025-01-09 21:39:56,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1147 transitions, 3153 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:39:56,929 INFO L231 Difference]: Finished difference. Result has 1007 places, 1123 transitions, 2771 flow [2025-01-09 21:39:56,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, 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} [2025-01-09 21:39:56,931 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -19 predicate places. [2025-01-09 21:39:56,931 INFO L471 AbstractCegarLoop]: Abstraction has has 1007 places, 1123 transitions, 2771 flow [2025-01-09 21:39:56,932 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) [2025-01-09 21:39:56,932 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:56,932 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:56,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:39:56,933 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)] === [2025-01-09 21:39:56,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:56,933 INFO L85 PathProgramCache]: Analyzing trace with hash 929839094, now seen corresponding path program 1 times [2025-01-09 21:39:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:56,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688463313] [2025-01-09 21:39:56,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:56,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-09 21:39:56,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-09 21:39:56,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:56,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:39:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:39:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:39:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688463313] [2025-01-09 21:39:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688463313] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:39:56,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:39:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:39:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101279373] [2025-01-09 21:39:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:39:56,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:39:56,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:39:56,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:39:56,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:39:57,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 1178 [2025-01-09 21:39:57,006 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) [2025-01-09 21:39:57,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:39:57,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 1178 [2025-01-09 21:39:57,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:39:58,744 INFO L124 PetriNetUnfolderBase]: 807/16409 cut-off events. [2025-01-09 21:39:58,744 INFO L125 PetriNetUnfolderBase]: For 1215/1869 co-relation queries the response was YES. [2025-01-09 21:39:58,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18724 conditions, 16409 events. 807/16409 cut-off events. For 1215/1869 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 186171 event pairs, 132 based on Foata normal form. 10/15707 useless extension candidates. Maximal degree in co-relation 18712. Up to 788 conditions per place. [2025-01-09 21:39:58,822 INFO L140 encePairwiseOnDemand]: 1175/1178 looper letters, 153 selfloop transitions, 2 changer transitions 0/1150 dead transitions. [2025-01-09 21:39:58,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1009 places, 1150 transitions, 3195 flow [2025-01-09 21:39:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:39:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:39:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2025-01-09 21:39:58,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2025-01-09 21:39:58,829 INFO L175 Difference]: Start difference. First operand has 1007 places, 1123 transitions, 2771 flow. Second operand 3 states and 3021 transitions. [2025-01-09 21:39:58,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1009 places, 1150 transitions, 3195 flow [2025-01-09 21:39:58,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1007 places, 1150 transitions, 3187 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:39:58,848 INFO L231 Difference]: Finished difference. Result has 1008 places, 1123 transitions, 2771 flow [2025-01-09 21:39:58,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1178, 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} [2025-01-09 21:39:58,850 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -18 predicate places. [2025-01-09 21:39:58,850 INFO L471 AbstractCegarLoop]: Abstraction has has 1008 places, 1123 transitions, 2771 flow [2025-01-09 21:39:58,852 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) [2025-01-09 21:39:58,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:39:58,852 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:39:58,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:39:58,852 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)] === [2025-01-09 21:39:58,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:39:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1076014814, now seen corresponding path program 1 times [2025-01-09 21:39:58,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:39:58,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682234786] [2025-01-09 21:39:58,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:39:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:39:58,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 21:39:58,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 21:39:58,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:58,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:39:58,878 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 21:39:58,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 21:39:58,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 21:39:58,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:39:58,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:39:58,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 21:39:58,924 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 21:39:58,925 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2025-01-09 21:39:58,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2025-01-09 21:39:58,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2025-01-09 21:39:58,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2025-01-09 21:39:58,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2025-01-09 21:39:58,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2025-01-09 21:39:58,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2025-01-09 21:39:58,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2025-01-09 21:39:58,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2025-01-09 21:39:58,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2025-01-09 21:39:58,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2025-01-09 21:39:58,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2025-01-09 21:39:58,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:39:58,934 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:39:58,937 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 21:39:58,937 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 21:39:59,226 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:39:59,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1942 places, 2227 transitions, 4470 flow [2025-01-09 21:40:00,205 INFO L124 PetriNetUnfolderBase]: 327/2447 cut-off events. [2025-01-09 21:40:00,205 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:00,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2459 conditions, 2447 events. 327/2447 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 13410 event pairs, 0 based on Foata normal form. 0/2029 useless extension candidates. Maximal degree in co-relation 2232. Up to 12 conditions per place. [2025-01-09 21:40:00,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 1942 places, 2227 transitions, 4470 flow [2025-01-09 21:40:00,422 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1942 places, 2227 transitions, 4470 flow [2025-01-09 21:40:00,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:00,423 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;@4af9b502, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:00,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2025-01-09 21:40:00,425 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:00,425 INFO L124 PetriNetUnfolderBase]: 12/70 cut-off events. [2025-01-09 21:40:00,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:00,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:00,426 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:00,426 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)] === [2025-01-09 21:40:00,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1118664447, now seen corresponding path program 1 times [2025-01-09 21:40:00,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:00,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722904116] [2025-01-09 21:40:00,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:00,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 21:40:00,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 21:40:00,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:00,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:00,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722904116] [2025-01-09 21:40:00,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722904116] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:00,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:00,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574870869] [2025-01-09 21:40:00,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:00,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:00,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:00,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:00,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:00,449 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1879 out of 2227 [2025-01-09 21:40:00,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1942 places, 2227 transitions, 4470 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) [2025-01-09 21:40:00,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:00,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1879 of 2227 [2025-01-09 21:40:00,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:06,354 INFO L124 PetriNetUnfolderBase]: 1327/28163 cut-off events. [2025-01-09 21:40:06,354 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2025-01-09 21:40:06,668 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 317. Compared 375769 event pairs, 648 based on Foata normal form. 13428/40203 useless extension candidates. Maximal degree in co-relation 2367. Up to 1351 conditions per place. [2025-01-09 21:40:06,771 INFO L140 encePairwiseOnDemand]: 1931/2227 looper letters, 52 selfloop transitions, 0 changer transitions 0/1927 dead transitions. [2025-01-09 21:40:06,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1879 places, 1927 transitions, 3974 flow [2025-01-09 21:40:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4106 transitions. [2025-01-09 21:40:06,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9218679838347553 [2025-01-09 21:40:06,779 INFO L175 Difference]: Start difference. First operand has 1942 places, 2227 transitions, 4470 flow. Second operand 2 states and 4106 transitions. [2025-01-09 21:40:06,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1879 places, 1927 transitions, 3974 flow [2025-01-09 21:40:06,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1879 places, 1927 transitions, 3974 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:06,800 INFO L231 Difference]: Finished difference. Result has 1879 places, 1927 transitions, 3870 flow [2025-01-09 21:40:06,802 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=2227, 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} [2025-01-09 21:40:06,803 INFO L279 CegarLoopForPetriNet]: 1942 programPoint places, -63 predicate places. [2025-01-09 21:40:06,804 INFO L471 AbstractCegarLoop]: Abstraction has has 1879 places, 1927 transitions, 3870 flow [2025-01-09 21:40:06,806 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) [2025-01-09 21:40:06,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:06,806 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:40:06,806 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)] === [2025-01-09 21:40:06,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash 160167681, now seen corresponding path program 1 times [2025-01-09 21:40:06,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:06,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341050855] [2025-01-09 21:40:06,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:06,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:40:06,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:40:06,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:06,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:07,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:07,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341050855] [2025-01-09 21:40:07,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341050855] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:07,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:07,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:07,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562571968] [2025-01-09 21:40:07,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:07,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:07,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:07,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:07,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1860 out of 2227 [2025-01-09 21:40:07,381 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) [2025-01-09 21:40:07,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:07,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1860 of 2227 [2025-01-09 21:40:07,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand