./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hclhlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 18:05:08,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 18:05:08,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 18:05:08,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 18:05:08,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 18:05:08,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 18:05:08,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 18:05:08,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 18:05:08,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 18:05:08,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 18:05:08,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 18:05:08,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 18:05:08,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 18:05:08,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 18:05:08,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 18:05:08,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 18:05:08,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 18:05:08,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 18:05:08,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 18:05:08,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 18:05:08,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 18:05:08,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 18:05:08,486 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 18:05:08,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 18:05:08,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 18:05:08,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 18:05:08,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 18:05:08,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 18:05:08,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 18:05:08,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 18:05:08,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 18:05:08,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:05:08,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 18:05:08,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 18:05:08,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 18:05:08,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 18:05:08,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 18:05:08,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 18:05:08,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 18:05:08,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 18:05:08,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 18:05:08,491 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-22 18:05:08,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 18:05:08,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 18:05:08,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 18:05:08,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 18:05:08,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 18:05:08,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2024-11-22 18:05:09,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 18:05:11,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 18:05:11,126 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-22 18:05:11,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e93d76a/37ece1fcf33e4e60887969d56476c0b3/FLAG80e1d5621 [2024-11-22 18:05:11,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e93d76a/37ece1fcf33e4e60887969d56476c0b3 [2024-11-22 18:05:11,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 18:05:11,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 18:05:11,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 18:05:11,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 18:05:11,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 18:05:11,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:05:11" (1/1) ... [2024-11-22 18:05:11,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4b23c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:11, skipping insertion in model container [2024-11-22 18:05:11,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:05:11" (1/1) ... [2024-11-22 18:05:11,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 18:05:12,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:05:12,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 18:05:13,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-22 18:05:13,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-22 18:05:13,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-22 18:05:13,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-22 18:05:13,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-22 18:05:13,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-22 18:05:13,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-22 18:05:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-22 18:05:13,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-22 18:05:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-22 18:05:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-22 18:05:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-22 18:05:13,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-22 18:05:13,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-22 18:05:13,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-22 18:05:13,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-22 18:05:13,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-22 18:05:13,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-22 18:05:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-22 18:05:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-22 18:05:13,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-22 18:05:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-22 18:05:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-22 18:05:13,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-22 18:05:13,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-22 18:05:13,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-22 18:05:13,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-22 18:05:13,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-22 18:05:13,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-22 18:05:13,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-22 18:05:13,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-22 18:05:13,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-22 18:05:13,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-22 18:05:13,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-22 18:05:13,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-22 18:05:13,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-22 18:05:13,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-22 18:05:13,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-22 18:05:13,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-22 18:05:13,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-22 18:05:13,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-22 18:05:13,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-22 18:05:13,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-22 18:05:13,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-22 18:05:13,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-22 18:05:13,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-22 18:05:13,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-22 18:05:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-22 18:05:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-22 18:05:13,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-22 18:05:13,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-22 18:05:13,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-22 18:05:13,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-22 18:05:13,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-22 18:05:13,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-22 18:05:13,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-22 18:05:13,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-22 18:05:13,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-22 18:05:13,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-22 18:05:13,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-22 18:05:13,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-22 18:05:13,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-22 18:05:13,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-22 18:05:13,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-22 18:05:13,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-22 18:05:13,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-22 18:05:13,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-22 18:05:13,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-22 18:05:13,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-22 18:05:13,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-22 18:05:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-22 18:05:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-22 18:05:13,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-22 18:05:13,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-22 18:05:13,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-22 18:05:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-22 18:05:13,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-22 18:05:13,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-22 18:05:13,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-22 18:05:13,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-22 18:05:13,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-22 18:05:13,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-22 18:05:13,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-22 18:05:13,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-22 18:05:13,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-22 18:05:13,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-22 18:05:13,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-22 18:05:13,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-22 18:05:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-22 18:05:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-22 18:05:13,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-22 18:05:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-22 18:05:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-22 18:05:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-22 18:05:13,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-22 18:05:13,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-22 18:05:13,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-22 18:05:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-22 18:05:13,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-22 18:05:13,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-22 18:05:13,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 18:05:13,445 INFO L204 MainTranslator]: Completed translation [2024-11-22 18:05:13,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13 WrapperNode [2024-11-22 18:05:13,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 18:05:13,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 18:05:13,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 18:05:13,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 18:05:13,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,599 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 1158 [2024-11-22 18:05:13,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 18:05:13,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 18:05:13,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 18:05:13,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 18:05:13,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 18:05:13,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 18:05:13,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 18:05:13,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 18:05:13,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (1/1) ... [2024-11-22 18:05:13,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 18:05:13,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:13,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 18:05:13,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 18:05:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 18:05:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-22 18:05:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 18:05:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 18:05:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 18:05:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 18:05:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-22 18:05:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 18:05:13,799 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 18:05:13,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 18:05:13,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 18:05:14,926 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 18:05:14,926 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 18:05:15,236 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 18:05:15,238 INFO L316 CfgBuilder]: Removed 106 assume(true) statements. [2024-11-22 18:05:15,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:05:15 BoogieIcfgContainer [2024-11-22 18:05:15,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 18:05:15,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 18:05:15,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 18:05:15,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 18:05:15,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:05:11" (1/3) ... [2024-11-22 18:05:15,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22929805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:05:15, skipping insertion in model container [2024-11-22 18:05:15,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:05:13" (2/3) ... [2024-11-22 18:05:15,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22929805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:05:15, skipping insertion in model container [2024-11-22 18:05:15,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:05:15" (3/3) ... [2024-11-22 18:05:15,255 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-22 18:05:15,288 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 18:05:15,288 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-22 18:05:15,288 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 18:05:15,672 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-22 18:05:15,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1079 places, 1253 transitions, 2513 flow [2024-11-22 18:05:16,050 INFO L124 PetriNetUnfolderBase]: 193/1333 cut-off events. [2024-11-22 18:05:16,051 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 18:05:16,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 1333 events. 193/1333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4548 event pairs, 0 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 1010. Up to 6 conditions per place. [2024-11-22 18:05:16,075 INFO L82 GeneralOperation]: Start removeDead. Operand has 1079 places, 1253 transitions, 2513 flow [2024-11-22 18:05:16,095 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1079 places, 1253 transitions, 2513 flow [2024-11-22 18:05:16,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 18:05:16,111 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;@259a1993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 18:05:16,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-22 18:05:16,118 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 18:05:16,119 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-22 18:05:16,119 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 18:05:16,119 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:16,120 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:16,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:16,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1593071025, now seen corresponding path program 1 times [2024-11-22 18:05:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154729797] [2024-11-22 18:05:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:16,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:16,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154729797] [2024-11-22 18:05:16,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154729797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:16,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:05:16,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 18:05:16,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986431936] [2024-11-22 18:05:16,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:16,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 18:05:16,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:16,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 18:05:16,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 18:05:16,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1059 out of 1253 [2024-11-22 18:05:16,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1079 places, 1253 transitions, 2513 flow. Second operand has 2 states, 2 states have (on average 1059.5) internal successors, (2119), 2 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:16,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:16,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1059 of 1253 [2024-11-22 18:05:16,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:16,898 INFO L124 PetriNetUnfolderBase]: 33/1111 cut-off events. [2024-11-22 18:05:16,898 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 18:05:16,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 1111 events. 33/1111 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2925 event pairs, 0 based on Foata normal form. 357/1387 useless extension candidates. Maximal degree in co-relation 867. Up to 30 conditions per place. [2024-11-22 18:05:16,909 INFO L140 encePairwiseOnDemand]: 1088/1253 looper letters, 29 selfloop transitions, 0 changer transitions 12/1051 dead transitions. [2024-11-22 18:05:16,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1051 transitions, 2167 flow [2024-11-22 18:05:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 18:05:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-22 18:05:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2312 transitions. [2024-11-22 18:05:16,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.922585794094174 [2024-11-22 18:05:16,929 INFO L175 Difference]: Start difference. First operand has 1079 places, 1253 transitions, 2513 flow. Second operand 2 states and 2312 transitions. [2024-11-22 18:05:16,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1051 transitions, 2167 flow [2024-11-22 18:05:16,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1051 transitions, 2167 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 18:05:16,952 INFO L231 Difference]: Finished difference. Result has 1022 places, 1039 transitions, 2085 flow [2024-11-22 18:05:16,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2109, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2085, PETRI_PLACES=1022, PETRI_TRANSITIONS=1039} [2024-11-22 18:05:16,959 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -57 predicate places. [2024-11-22 18:05:16,960 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1039 transitions, 2085 flow [2024-11-22 18:05:16,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1059.5) internal successors, (2119), 2 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:16,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:16,961 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:16,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 18:05:16,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:16,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash -751566058, now seen corresponding path program 1 times [2024-11-22 18:05:16,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:16,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264238820] [2024-11-22 18:05:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:17,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264238820] [2024-11-22 18:05:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264238820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:17,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:05:17,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 18:05:17,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846230585] [2024-11-22 18:05:17,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:17,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:05:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:05:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:05:17,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1053 out of 1253 [2024-11-22 18:05:17,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1039 transitions, 2085 flow. Second operand has 3 states, 3 states have (on average 1055.3333333333333) internal successors, (3166), 3 states have internal predecessors, (3166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:17,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:17,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1053 of 1253 [2024-11-22 18:05:17,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:17,480 INFO L124 PetriNetUnfolderBase]: 33/1117 cut-off events. [2024-11-22 18:05:17,480 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 18:05:17,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1161 conditions, 1117 events. 33/1117 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2852 event pairs, 0 based on Foata normal form. 1/1042 useless extension candidates. Maximal degree in co-relation 1157. Up to 33 conditions per place. [2024-11-22 18:05:17,490 INFO L140 encePairwiseOnDemand]: 1250/1253 looper letters, 35 selfloop transitions, 2 changer transitions 0/1041 dead transitions. [2024-11-22 18:05:17,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1012 places, 1041 transitions, 2163 flow [2024-11-22 18:05:17,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:05:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 18:05:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3197 transitions. [2024-11-22 18:05:17,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8504921521681298 [2024-11-22 18:05:17,497 INFO L175 Difference]: Start difference. First operand has 1022 places, 1039 transitions, 2085 flow. Second operand 3 states and 3197 transitions. [2024-11-22 18:05:17,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1012 places, 1041 transitions, 2163 flow [2024-11-22 18:05:17,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 1041 transitions, 2163 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 18:05:17,515 INFO L231 Difference]: Finished difference. Result has 1013 places, 1040 transitions, 2097 flow [2024-11-22 18:05:17,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2085, PETRI_DIFFERENCE_MINUEND_PLACES=1010, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1037, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2097, PETRI_PLACES=1013, PETRI_TRANSITIONS=1040} [2024-11-22 18:05:17,517 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -66 predicate places. [2024-11-22 18:05:17,517 INFO L471 AbstractCegarLoop]: Abstraction has has 1013 places, 1040 transitions, 2097 flow [2024-11-22 18:05:17,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1055.3333333333333) internal successors, (3166), 3 states have internal predecessors, (3166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:17,519 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:17,520 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:17,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 18:05:17,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:17,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash 113993890, now seen corresponding path program 1 times [2024-11-22 18:05:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:17,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792839504] [2024-11-22 18:05:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:17,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792839504] [2024-11-22 18:05:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792839504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:17,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652758450] [2024-11-22 18:05:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:17,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:17,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:17,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:17,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 18:05:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:17,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 18:05:17,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:17,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:05:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652758450] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:17,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:05:17,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-22 18:05:17,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726985658] [2024-11-22 18:05:17,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:17,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:05:17,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:17,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:05:17,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 18:05:17,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1052 out of 1253 [2024-11-22 18:05:17,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1013 places, 1040 transitions, 2097 flow. Second operand has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:17,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:17,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1052 of 1253 [2024-11-22 18:05:17,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:18,155 INFO L124 PetriNetUnfolderBase]: 33/1118 cut-off events. [2024-11-22 18:05:18,155 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 18:05:18,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1170 conditions, 1118 events. 33/1118 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2416 event pairs, 0 based on Foata normal form. 0/1042 useless extension candidates. Maximal degree in co-relation 1164. Up to 33 conditions per place. [2024-11-22 18:05:18,165 INFO L140 encePairwiseOnDemand]: 1249/1253 looper letters, 34 selfloop transitions, 3 changer transitions 0/1041 dead transitions. [2024-11-22 18:05:18,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1015 places, 1041 transitions, 2173 flow [2024-11-22 18:05:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:05:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 18:05:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3194 transitions. [2024-11-22 18:05:18,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8496940675711625 [2024-11-22 18:05:18,171 INFO L175 Difference]: Start difference. First operand has 1013 places, 1040 transitions, 2097 flow. Second operand 3 states and 3194 transitions. [2024-11-22 18:05:18,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1015 places, 1041 transitions, 2173 flow [2024-11-22 18:05:18,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1014 places, 1041 transitions, 2171 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 18:05:18,187 INFO L231 Difference]: Finished difference. Result has 1016 places, 1041 transitions, 2113 flow [2024-11-22 18:05:18,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2095, PETRI_DIFFERENCE_MINUEND_PLACES=1012, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1040, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1037, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2113, PETRI_PLACES=1016, PETRI_TRANSITIONS=1041} [2024-11-22 18:05:18,189 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -63 predicate places. [2024-11-22 18:05:18,189 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1041 transitions, 2113 flow [2024-11-22 18:05:18,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:18,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:18,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:18,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 18:05:18,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:18,396 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:18,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:18,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1134132271, now seen corresponding path program 1 times [2024-11-22 18:05:18,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:18,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656919532] [2024-11-22 18:05:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:18,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:18,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:18,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656919532] [2024-11-22 18:05:18,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656919532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:18,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155737942] [2024-11-22 18:05:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:18,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:18,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 18:05:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:18,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 18:05:18,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:18,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-22 18:05:18,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-22 18:05:18,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:18,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-22 18:05:18,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:18,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-22 18:05:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:18,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:05:18,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155737942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:18,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 18:05:18,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-22 18:05:18,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532927459] [2024-11-22 18:05:18,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:18,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:05:18,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:18,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:05:18,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 18:05:19,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 1253 [2024-11-22 18:05:19,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1041 transitions, 2113 flow. Second operand has 6 states, 6 states have (on average 1002.0) internal successors, (6012), 6 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:19,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:19,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 1253 [2024-11-22 18:05:19,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:20,581 INFO L124 PetriNetUnfolderBase]: 690/7712 cut-off events. [2024-11-22 18:05:20,581 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-22 18:05:20,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8768 conditions, 7712 events. 690/7712 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 65722 event pairs, 432 based on Foata normal form. 0/7202 useless extension candidates. Maximal degree in co-relation 8761. Up to 1029 conditions per place. [2024-11-22 18:05:20,612 INFO L140 encePairwiseOnDemand]: 1247/1253 looper letters, 82 selfloop transitions, 5 changer transitions 0/1040 dead transitions. [2024-11-22 18:05:20,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1020 places, 1040 transitions, 2285 flow [2024-11-22 18:05:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:05:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:05:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6088 transitions. [2024-11-22 18:05:20,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097898377227987 [2024-11-22 18:05:20,621 INFO L175 Difference]: Start difference. First operand has 1016 places, 1041 transitions, 2113 flow. Second operand 6 states and 6088 transitions. [2024-11-22 18:05:20,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1020 places, 1040 transitions, 2285 flow [2024-11-22 18:05:20,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1040 transitions, 2279 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 18:05:20,650 INFO L231 Difference]: Finished difference. Result has 1018 places, 1040 transitions, 2115 flow [2024-11-22 18:05:20,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2105, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1040, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2115, PETRI_PLACES=1018, PETRI_TRANSITIONS=1040} [2024-11-22 18:05:20,657 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -61 predicate places. [2024-11-22 18:05:20,658 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1040 transitions, 2115 flow [2024-11-22 18:05:20,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1002.0) internal successors, (6012), 6 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:20,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:20,667 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:20,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 18:05:20,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-22 18:05:20,868 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:20,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:20,869 INFO L85 PathProgramCache]: Analyzing trace with hash 449499317, now seen corresponding path program 1 times [2024-11-22 18:05:20,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:20,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590604183] [2024-11-22 18:05:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:20,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:21,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:21,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590604183] [2024-11-22 18:05:21,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590604183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:21,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328828515] [2024-11-22 18:05:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:21,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:21,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:21,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:21,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 18:05:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:21,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 18:05:21,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:21,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-22 18:05:21,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-22 18:05:21,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:21,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-22 18:05:21,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:21,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-22 18:05:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:21,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 18:05:21,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328828515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:21,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 18:05:21,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-22 18:05:21,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674163488] [2024-11-22 18:05:21,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:21,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:05:21,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:21,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:05:21,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 18:05:21,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 1253 [2024-11-22 18:05:21,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1040 transitions, 2115 flow. Second operand has 6 states, 6 states have (on average 1002.0) internal successors, (6012), 6 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:21,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:21,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 1253 [2024-11-22 18:05:21,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:22,960 INFO L124 PetriNetUnfolderBase]: 690/7711 cut-off events. [2024-11-22 18:05:22,960 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-22 18:05:22,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8769 conditions, 7711 events. 690/7711 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 65722 event pairs, 432 based on Foata normal form. 0/7201 useless extension candidates. Maximal degree in co-relation 8762. Up to 1029 conditions per place. [2024-11-22 18:05:22,989 INFO L140 encePairwiseOnDemand]: 1247/1253 looper letters, 82 selfloop transitions, 5 changer transitions 0/1039 dead transitions. [2024-11-22 18:05:22,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1039 transitions, 2287 flow [2024-11-22 18:05:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:05:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:05:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6088 transitions. [2024-11-22 18:05:22,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097898377227987 [2024-11-22 18:05:22,998 INFO L175 Difference]: Start difference. First operand has 1018 places, 1040 transitions, 2115 flow. Second operand 6 states and 6088 transitions. [2024-11-22 18:05:22,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1039 transitions, 2287 flow [2024-11-22 18:05:23,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1039 transitions, 2277 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 18:05:23,011 INFO L231 Difference]: Finished difference. Result has 1017 places, 1039 transitions, 2113 flow [2024-11-22 18:05:23,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=1012, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2113, PETRI_PLACES=1017, PETRI_TRANSITIONS=1039} [2024-11-22 18:05:23,013 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -62 predicate places. [2024-11-22 18:05:23,013 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1039 transitions, 2113 flow [2024-11-22 18:05:23,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1002.0) internal successors, (6012), 6 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:23,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:23,016 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:23,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 18:05:23,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:23,218 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:23,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:23,218 INFO L85 PathProgramCache]: Analyzing trace with hash -360077664, now seen corresponding path program 1 times [2024-11-22 18:05:23,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:23,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089000751] [2024-11-22 18:05:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:23,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:23,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:23,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089000751] [2024-11-22 18:05:23,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089000751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:23,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266149664] [2024-11-22 18:05:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:23,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:23,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 18:05:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:23,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-22 18:05:23,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:24,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-22 18:05:24,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-22 18:05:24,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:24,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-22 18:05:24,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 18:05:24,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-22 18:05:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 18:05:24,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:05:24,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2024-11-22 18:05:24,619 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2024-11-22 18:05:24,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 1 [2024-11-22 18:05:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 18:05:24,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266149664] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:24,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:05:24,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 19] total 27 [2024-11-22 18:05:24,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256109018] [2024-11-22 18:05:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:24,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 18:05:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:24,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 18:05:24,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-22 18:05:25,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 1253 [2024-11-22 18:05:25,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1039 transitions, 2113 flow. Second operand has 6 states, 6 states have (on average 995.5) internal successors, (5973), 6 states have internal predecessors, (5973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:25,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:25,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 1253 [2024-11-22 18:05:25,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:27,996 INFO L124 PetriNetUnfolderBase]: 1639/15273 cut-off events. [2024-11-22 18:05:27,997 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-22 18:05:28,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17871 conditions, 15273 events. 1639/15273 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 156490 event pairs, 544 based on Foata normal form. 0/14193 useless extension candidates. Maximal degree in co-relation 17864. Up to 2163 conditions per place. [2024-11-22 18:05:28,060 INFO L140 encePairwiseOnDemand]: 1192/1253 looper letters, 123 selfloop transitions, 222 changer transitions 0/1288 dead transitions. [2024-11-22 18:05:28,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1288 transitions, 3301 flow [2024-11-22 18:05:28,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 18:05:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 18:05:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6298 transitions. [2024-11-22 18:05:28,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8377227986166533 [2024-11-22 18:05:28,074 INFO L175 Difference]: Start difference. First operand has 1017 places, 1039 transitions, 2113 flow. Second operand 6 states and 6298 transitions. [2024-11-22 18:05:28,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1288 transitions, 3301 flow [2024-11-22 18:05:28,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1288 transitions, 3291 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 18:05:28,090 INFO L231 Difference]: Finished difference. Result has 1022 places, 1260 transitions, 3553 flow [2024-11-22 18:05:28,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=1012, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=979, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3553, PETRI_PLACES=1022, PETRI_TRANSITIONS=1260} [2024-11-22 18:05:28,092 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -57 predicate places. [2024-11-22 18:05:28,092 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1260 transitions, 3553 flow [2024-11-22 18:05:28,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 995.5) internal successors, (5973), 6 states have internal predecessors, (5973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:28,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:28,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:28,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 18:05:28,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:28,297 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:28,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:28,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1567220221, now seen corresponding path program 1 times [2024-11-22 18:05:28,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:28,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309819071] [2024-11-22 18:05:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 18:05:28,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:28,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309819071] [2024-11-22 18:05:28,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309819071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:28,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:05:28,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 18:05:28,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390990578] [2024-11-22 18:05:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:28,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:05:28,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:28,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:05:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:05:28,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1253 [2024-11-22 18:05:28,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1260 transitions, 3553 flow. Second operand has 3 states, 3 states have (on average 1051.0) internal successors, (3153), 3 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:28,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:28,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1253 [2024-11-22 18:05:28,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:29,153 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4098] L3779-9-->L3779-16: Formula: (let ((.cse2 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 2)) (.cse1 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 3)) (.cse0 (select |v_#race_913| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|)) (.cse3 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 1))) (and (= 0 (select .cse0 .cse1)) (= (select .cse0 .cse2) 0) (= (select .cse0 |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) 0) (= |v_#race_913| (store |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37| (store (store (store (store (select |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 0) .cse3 0) .cse2 0) .cse1 0))) (= 0 (select .cse0 .cse3)) (= (select (select |v_#memory_int_269| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) |v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|))) InVars {#race=|v_#race_914|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} OutVars{#race=|v_#race_913|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} AuxVars[] AssignedVars[#race, runThread1of1ForFork0_vatomic32_read_#t~mem432#1][805], [Black: 3268#(and (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))))) (or (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) 3 |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869181) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))))), 1080#true, Black: 3280#(and (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), Black: 3272#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296))) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648))), Black: 3276#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), 2687#true, 199#L3779-16true, Black: 1502#(< (mod |ULTIMATE.start_init_~i~4#1| 4294967296) 3), 389#L6092true, 1082#true, 3831#(= |#race~g_cs_x~0| 0), Black: 1086#(= |ULTIMATE.start_hclhlock_init_~i~0#1| 0)]) [2024-11-22 18:05:29,153 INFO L294 olderBase$Statistics]: this new event has 370 ancestors and is cut-off event [2024-11-22 18:05:29,154 INFO L297 olderBase$Statistics]: existing Event has 370 ancestors and is cut-off event [2024-11-22 18:05:29,154 INFO L297 olderBase$Statistics]: existing Event has 370 ancestors and is cut-off event [2024-11-22 18:05:29,154 INFO L297 olderBase$Statistics]: existing Event has 369 ancestors and is cut-off event [2024-11-22 18:05:29,154 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4098] L3779-9-->L3779-16: Formula: (let ((.cse2 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 2)) (.cse1 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 3)) (.cse0 (select |v_#race_913| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|)) (.cse3 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 1))) (and (= 0 (select .cse0 .cse1)) (= (select .cse0 .cse2) 0) (= (select .cse0 |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) 0) (= |v_#race_913| (store |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37| (store (store (store (store (select |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 0) .cse3 0) .cse2 0) .cse1 0))) (= 0 (select .cse0 .cse3)) (= (select (select |v_#memory_int_269| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) |v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|))) InVars {#race=|v_#race_914|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} OutVars{#race=|v_#race_913|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} AuxVars[] AssignedVars[#race, runThread1of1ForFork0_vatomic32_read_#t~mem432#1][805], [Black: 3268#(and (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))))) (or (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) 3 |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869181) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))))), 1080#true, Black: 3280#(and (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), Black: 3272#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296))) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648))), 381#L6092-1true, Black: 3276#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), 2687#true, 199#L3779-16true, Black: 1502#(< (mod |ULTIMATE.start_init_~i~4#1| 4294967296) 3), 1082#true, 3831#(= |#race~g_cs_x~0| 0), Black: 1086#(= |ULTIMATE.start_hclhlock_init_~i~0#1| 0)]) [2024-11-22 18:05:29,154 INFO L294 olderBase$Statistics]: this new event has 371 ancestors and is cut-off event [2024-11-22 18:05:29,154 INFO L297 olderBase$Statistics]: existing Event has 371 ancestors and is cut-off event [2024-11-22 18:05:29,155 INFO L297 olderBase$Statistics]: existing Event has 371 ancestors and is cut-off event [2024-11-22 18:05:29,155 INFO L297 olderBase$Statistics]: existing Event has 370 ancestors and is cut-off event [2024-11-22 18:05:30,380 INFO L124 PetriNetUnfolderBase]: 973/10781 cut-off events. [2024-11-22 18:05:30,381 INFO L125 PetriNetUnfolderBase]: For 765/1003 co-relation queries the response was YES. [2024-11-22 18:05:30,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13546 conditions, 10781 events. 973/10781 cut-off events. For 765/1003 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 89245 event pairs, 52 based on Foata normal form. 43/9985 useless extension candidates. Maximal degree in co-relation 13535. Up to 1005 conditions per place. [2024-11-22 18:05:30,420 INFO L140 encePairwiseOnDemand]: 1244/1253 looper letters, 114 selfloop transitions, 6 changer transitions 0/1285 dead transitions. [2024-11-22 18:05:30,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1285 transitions, 3871 flow [2024-11-22 18:05:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:05:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 18:05:30,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-22 18:05:30,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8550146315509444 [2024-11-22 18:05:30,426 INFO L175 Difference]: Start difference. First operand has 1022 places, 1260 transitions, 3553 flow. Second operand 3 states and 3214 transitions. [2024-11-22 18:05:30,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1285 transitions, 3871 flow [2024-11-22 18:05:30,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1285 transitions, 3871 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 18:05:30,445 INFO L231 Difference]: Finished difference. Result has 1025 places, 1264 transitions, 3599 flow [2024-11-22 18:05:30,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=3551, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3599, PETRI_PLACES=1025, PETRI_TRANSITIONS=1264} [2024-11-22 18:05:30,446 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -54 predicate places. [2024-11-22 18:05:30,446 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1264 transitions, 3599 flow [2024-11-22 18:05:30,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1051.0) internal successors, (3153), 3 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:30,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:30,448 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:30,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 18:05:30,448 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:30,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:30,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1434779594, now seen corresponding path program 1 times [2024-11-22 18:05:30,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:30,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264618109] [2024-11-22 18:05:30,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:30,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 18:05:30,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:30,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264618109] [2024-11-22 18:05:30,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264618109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 18:05:30,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 18:05:30,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 18:05:30,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608410199] [2024-11-22 18:05:30,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:30,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:05:30,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:30,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:05:30,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 18:05:30,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1052 out of 1253 [2024-11-22 18:05:30,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1264 transitions, 3599 flow. Second operand has 3 states, 3 states have (on average 1054.0) internal successors, (3162), 3 states have internal predecessors, (3162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:30,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:30,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1052 of 1253 [2024-11-22 18:05:30,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:33,272 INFO L124 PetriNetUnfolderBase]: 1095/14075 cut-off events. [2024-11-22 18:05:33,272 INFO L125 PetriNetUnfolderBase]: For 876/1048 co-relation queries the response was YES. [2024-11-22 18:05:33,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17322 conditions, 14075 events. 1095/14075 cut-off events. For 876/1048 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 123413 event pairs, 53 based on Foata normal form. 39/13085 useless extension candidates. Maximal degree in co-relation 17309. Up to 1222 conditions per place. [2024-11-22 18:05:33,328 INFO L140 encePairwiseOnDemand]: 1247/1253 looper letters, 111 selfloop transitions, 4 changer transitions 0/1287 dead transitions. [2024-11-22 18:05:33,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1287 transitions, 3903 flow [2024-11-22 18:05:33,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:05:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 18:05:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-22 18:05:33,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8558127161479117 [2024-11-22 18:05:33,334 INFO L175 Difference]: Start difference. First operand has 1025 places, 1264 transitions, 3599 flow. Second operand 3 states and 3217 transitions. [2024-11-22 18:05:33,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1287 transitions, 3903 flow [2024-11-22 18:05:33,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1287 transitions, 3891 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 18:05:33,354 INFO L231 Difference]: Finished difference. Result has 1026 places, 1266 transitions, 3615 flow [2024-11-22 18:05:33,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=3585, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3615, PETRI_PLACES=1026, PETRI_TRANSITIONS=1266} [2024-11-22 18:05:33,356 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -53 predicate places. [2024-11-22 18:05:33,356 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1266 transitions, 3615 flow [2024-11-22 18:05:33,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1054.0) internal successors, (3162), 3 states have internal predecessors, (3162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:33,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:33,358 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:33,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 18:05:33,358 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:33,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:33,358 INFO L85 PathProgramCache]: Analyzing trace with hash -914518802, now seen corresponding path program 1 times [2024-11-22 18:05:33,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002647012] [2024-11-22 18:05:33,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:33,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:33,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002647012] [2024-11-22 18:05:33,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002647012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:33,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316605480] [2024-11-22 18:05:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:33,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:33,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:33,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 18:05:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:33,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 18:05:33,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 18:05:33,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:05:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 18:05:33,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316605480] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:33,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 18:05:33,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-22 18:05:33,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535879547] [2024-11-22 18:05:33,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 18:05:33,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 18:05:33,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 18:05:33,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 18:05:33,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1052 out of 1253 [2024-11-22 18:05:33,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1266 transitions, 3615 flow. Second operand has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:33,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:33,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1052 of 1253 [2024-11-22 18:05:33,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:34,486 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4098] L3779-9-->L3779-16: Formula: (let ((.cse2 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 2)) (.cse1 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 3)) (.cse0 (select |v_#race_913| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|)) (.cse3 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 1))) (and (= 0 (select .cse0 .cse1)) (= (select .cse0 .cse2) 0) (= (select .cse0 |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) 0) (= |v_#race_913| (store |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37| (store (store (store (store (select |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 0) .cse3 0) .cse2 0) .cse1 0))) (= 0 (select .cse0 .cse3)) (= (select (select |v_#memory_int_269| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) |v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|))) InVars {#race=|v_#race_914|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} OutVars{#race=|v_#race_913|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} AuxVars[] AssignedVars[#race, runThread1of1ForFork0_vatomic32_read_#t~mem432#1][805], [Black: 1502#(< (mod |ULTIMATE.start_init_~i~4#1| 4294967296) 3), 159#L6072true, 3839#true, 3834#true, Black: 3268#(and (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))))) (or (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) 3 |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869181) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))))), 1080#true, Black: 3280#(and (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), Black: 3272#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296))) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648))), Black: 3276#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), 2687#true, 199#L3779-16true, Black: 3831#(= |#race~g_cs_x~0| 0), 1082#true, Black: 3836#(= |#race~g_cs_y~0| 0), Black: 1086#(= |ULTIMATE.start_hclhlock_init_~i~0#1| 0)]) [2024-11-22 18:05:34,487 INFO L294 olderBase$Statistics]: this new event has 350 ancestors and is cut-off event [2024-11-22 18:05:34,487 INFO L297 olderBase$Statistics]: existing Event has 350 ancestors and is cut-off event [2024-11-22 18:05:34,487 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-22 18:05:34,487 INFO L297 olderBase$Statistics]: existing Event has 350 ancestors and is cut-off event [2024-11-22 18:05:34,625 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4098] L3779-9-->L3779-16: Formula: (let ((.cse2 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 2)) (.cse1 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 3)) (.cse0 (select |v_#race_913| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|)) (.cse3 (+ |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 1))) (and (= 0 (select .cse0 .cse1)) (= (select .cse0 .cse2) 0) (= (select .cse0 |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) 0) (= |v_#race_913| (store |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37| (store (store (store (store (select |v_#race_914| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37| 0) .cse3 0) .cse2 0) .cse1 0))) (= 0 (select .cse0 .cse3)) (= (select (select |v_#memory_int_269| |v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|) |v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|) |v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|))) InVars {#race=|v_#race_914|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} OutVars{#race=|v_#race_913|, runThread1of1ForFork0_vatomic32_read_~a#1.base=|v_runThread1of1ForFork0_vatomic32_read_~a#1.base_37|, #memory_int=|v_#memory_int_269|, runThread1of1ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of1ForFork0_vatomic32_read_#t~mem432#1_33|, runThread1of1ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of1ForFork0_vatomic32_read_~a#1.offset_37|} AuxVars[] AssignedVars[#race, runThread1of1ForFork0_vatomic32_read_#t~mem432#1][805], [Black: 1502#(< (mod |ULTIMATE.start_init_~i~4#1| 4294967296) 3), 3836#(= |#race~g_cs_y~0| 0), 3839#true, Black: 3268#(and (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|)) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))))) (or (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|))) (or (and (<= (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483647) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) 3 |ULTIMATE.start_main_~#t~0#1.offset|)))) (and (<= 2147483648 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869181) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))))), 1080#true, Black: 3280#(and (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), Black: 3272#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ 2 (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296))) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) (- 17179869182) |ULTIMATE.start_main_~#t~0#1.offset|))) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648))), Black: 3276#(and (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869184) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= |ULTIMATE.start_main_#t~nondet852#1| (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (- 17179869183) (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)))) (< (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 2147483648)) (or (and (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset|)) |ULTIMATE.start_main_#t~nondet852#1|) (= (select (select |#race| |ULTIMATE.start_main_~#t~0#1.base|) (+ (* (mod |ULTIMATE.start_main_~i~2#1| 4294967296) 4) |ULTIMATE.start_main_~#t~0#1.offset| 1)) |ULTIMATE.start_main_#t~nondet852#1|)) (< 2147483647 (mod |ULTIMATE.start_main_~i~2#1| 4294967296)))), 2687#true, 199#L3779-16true, Black: 3829#true, 207#ULTIMATE.startFINALtrue, Black: 3834#true, 1082#true, Black: 1086#(= |ULTIMATE.start_hclhlock_init_~i~0#1| 0)]) [2024-11-22 18:05:34,626 INFO L294 olderBase$Statistics]: this new event has 378 ancestors and is cut-off event [2024-11-22 18:05:34,626 INFO L297 olderBase$Statistics]: existing Event has 379 ancestors and is cut-off event [2024-11-22 18:05:34,626 INFO L297 olderBase$Statistics]: existing Event has 379 ancestors and is cut-off event [2024-11-22 18:05:34,626 INFO L297 olderBase$Statistics]: existing Event has 379 ancestors and is cut-off event [2024-11-22 18:05:36,982 INFO L124 PetriNetUnfolderBase]: 1149/14902 cut-off events. [2024-11-22 18:05:36,982 INFO L125 PetriNetUnfolderBase]: For 1000/1331 co-relation queries the response was YES. [2024-11-22 18:05:37,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18428 conditions, 14902 events. 1149/14902 cut-off events. For 1000/1331 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 133843 event pairs, 72 based on Foata normal form. 47/13839 useless extension candidates. Maximal degree in co-relation 18414. Up to 1302 conditions per place. [2024-11-22 18:05:37,038 INFO L140 encePairwiseOnDemand]: 1249/1253 looper letters, 111 selfloop transitions, 3 changer transitions 0/1288 dead transitions. [2024-11-22 18:05:37,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1288 transitions, 3915 flow [2024-11-22 18:05:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 18:05:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 18:05:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3215 transitions. [2024-11-22 18:05:37,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552806597499335 [2024-11-22 18:05:37,044 INFO L175 Difference]: Start difference. First operand has 1026 places, 1266 transitions, 3615 flow. Second operand 3 states and 3215 transitions. [2024-11-22 18:05:37,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1288 transitions, 3915 flow [2024-11-22 18:05:37,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1288 transitions, 3907 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 18:05:37,066 INFO L231 Difference]: Finished difference. Result has 1028 places, 1267 transitions, 3625 flow [2024-11-22 18:05:37,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=3607, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3625, PETRI_PLACES=1028, PETRI_TRANSITIONS=1267} [2024-11-22 18:05:37,069 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -51 predicate places. [2024-11-22 18:05:37,069 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1267 transitions, 3625 flow [2024-11-22 18:05:37,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1054.6666666666667) internal successors, (3164), 3 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:37,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:37,071 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:37,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 18:05:37,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:37,272 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:37,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2080792819, now seen corresponding path program 1 times [2024-11-22 18:05:37,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:37,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686756433] [2024-11-22 18:05:37,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 18:05:37,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:37,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686756433] [2024-11-22 18:05:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686756433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:37,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885680314] [2024-11-22 18:05:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 18:05:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:37,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:37,519 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:37,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 18:05:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 18:05:37,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:05:37,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 18:05:37,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:05:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 18:05:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885680314] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:05:37,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 18:05:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 18:05:37,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005670273] [2024-11-22 18:05:37,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 18:05:37,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 18:05:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:37,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 18:05:37,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 18:05:37,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1050 out of 1253 [2024-11-22 18:05:37,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1267 transitions, 3625 flow. Second operand has 9 states, 9 states have (on average 1052.6666666666667) internal successors, (9474), 9 states have internal predecessors, (9474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:37,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:37,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1050 of 1253 [2024-11-22 18:05:37,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:40,264 INFO L124 PetriNetUnfolderBase]: 877/12842 cut-off events. [2024-11-22 18:05:40,264 INFO L125 PetriNetUnfolderBase]: For 712/810 co-relation queries the response was YES. [2024-11-22 18:05:40,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15548 conditions, 12842 events. 877/12842 cut-off events. For 712/810 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 108811 event pairs, 12 based on Foata normal form. 1/12022 useless extension candidates. Maximal degree in co-relation 15533. Up to 1096 conditions per place. [2024-11-22 18:05:40,313 INFO L140 encePairwiseOnDemand]: 1247/1253 looper letters, 96 selfloop transitions, 7 changer transitions 0/1275 dead transitions. [2024-11-22 18:05:40,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1275 transitions, 3849 flow [2024-11-22 18:05:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 18:05:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-22 18:05:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7398 transitions. [2024-11-22 18:05:40,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8434614069091324 [2024-11-22 18:05:40,328 INFO L175 Difference]: Start difference. First operand has 1028 places, 1267 transitions, 3625 flow. Second operand 7 states and 7398 transitions. [2024-11-22 18:05:40,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1275 transitions, 3849 flow [2024-11-22 18:05:40,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1275 transitions, 3843 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 18:05:40,352 INFO L231 Difference]: Finished difference. Result has 1036 places, 1271 transitions, 3661 flow [2024-11-22 18:05:40,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=3619, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3661, PETRI_PLACES=1036, PETRI_TRANSITIONS=1271} [2024-11-22 18:05:40,355 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -43 predicate places. [2024-11-22 18:05:40,355 INFO L471 AbstractCegarLoop]: Abstraction has has 1036 places, 1271 transitions, 3661 flow [2024-11-22 18:05:40,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1052.6666666666667) internal successors, (9474), 9 states have internal predecessors, (9474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:40,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:40,357 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:40,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 18:05:40,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:40,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:40,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:40,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1466617753, now seen corresponding path program 2 times [2024-11-22 18:05:40,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:40,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844481936] [2024-11-22 18:05:40,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:05:40,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:40,609 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:05:40,609 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:05:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 18:05:40,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:40,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844481936] [2024-11-22 18:05:40,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844481936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:40,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132445088] [2024-11-22 18:05:40,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 18:05:40,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:40,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:40,815 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:40,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 18:05:41,217 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 18:05:41,217 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:05:41,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 18:05:41,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:05:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 18:05:41,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:05:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 18:05:41,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132445088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:05:41,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 18:05:41,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 18:05:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791330229] [2024-11-22 18:05:41,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 18:05:41,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 18:05:41,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:05:41,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 18:05:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 18:05:41,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1050 out of 1253 [2024-11-22 18:05:41,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1271 transitions, 3661 flow. Second operand has 9 states, 9 states have (on average 1052.6666666666667) internal successors, (9474), 9 states have internal predecessors, (9474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:41,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:05:41,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1050 of 1253 [2024-11-22 18:05:41,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:05:44,241 INFO L124 PetriNetUnfolderBase]: 883/13004 cut-off events. [2024-11-22 18:05:44,242 INFO L125 PetriNetUnfolderBase]: For 720/818 co-relation queries the response was YES. [2024-11-22 18:05:44,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15740 conditions, 13004 events. 883/13004 cut-off events. For 720/818 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 108840 event pairs, 12 based on Foata normal form. 0/12176 useless extension candidates. Maximal degree in co-relation 15722. Up to 1096 conditions per place. [2024-11-22 18:05:44,291 INFO L140 encePairwiseOnDemand]: 1247/1253 looper letters, 100 selfloop transitions, 9 changer transitions 0/1285 dead transitions. [2024-11-22 18:05:44,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1044 places, 1285 transitions, 3915 flow [2024-11-22 18:05:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 18:05:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 18:05:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9505 transitions. [2024-11-22 18:05:44,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8428660104637758 [2024-11-22 18:05:44,302 INFO L175 Difference]: Start difference. First operand has 1036 places, 1271 transitions, 3661 flow. Second operand 9 states and 9505 transitions. [2024-11-22 18:05:44,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1044 places, 1285 transitions, 3915 flow [2024-11-22 18:05:44,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1043 places, 1285 transitions, 3909 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 18:05:44,325 INFO L231 Difference]: Finished difference. Result has 1046 places, 1278 transitions, 3711 flow [2024-11-22 18:05:44,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1253, PETRI_DIFFERENCE_MINUEND_FLOW=3655, PETRI_DIFFERENCE_MINUEND_PLACES=1035, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3711, PETRI_PLACES=1046, PETRI_TRANSITIONS=1278} [2024-11-22 18:05:44,327 INFO L277 CegarLoopForPetriNet]: 1079 programPoint places, -33 predicate places. [2024-11-22 18:05:44,327 INFO L471 AbstractCegarLoop]: Abstraction has has 1046 places, 1278 transitions, 3711 flow [2024-11-22 18:05:44,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1052.6666666666667) internal successors, (9474), 9 states have internal predecessors, (9474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:05:44,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 18:05:44,329 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 18:05:44,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 18:05:44,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:44,530 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-22 18:05:44,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 18:05:44,533 INFO L85 PathProgramCache]: Analyzing trace with hash -428925223, now seen corresponding path program 3 times [2024-11-22 18:05:44,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 18:05:44,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663071148] [2024-11-22 18:05:44,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:05:44,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 18:05:44,873 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 18:05:44,874 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:05:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 148 proven. 72 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 18:05:45,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 18:05:45,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663071148] [2024-11-22 18:05:45,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663071148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 18:05:45,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579897323] [2024-11-22 18:05:45,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 18:05:45,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 18:05:45,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 18:05:45,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 18:05:45,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 18:06:18,310 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 18:06:18,310 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 18:06:18,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 18:06:18,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 18:06:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 148 proven. 26 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-22 18:06:18,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 18:06:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 148 proven. 26 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-22 18:06:19,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579897323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 18:06:19,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 18:06:19,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 34 [2024-11-22 18:06:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282555388] [2024-11-22 18:06:19,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 18:06:19,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-22 18:06:19,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 18:06:19,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-22 18:06:19,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1031, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 18:06:21,925 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1023 out of 1253 [2024-11-22 18:06:21,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1278 transitions, 3711 flow. Second operand has 34 states, 34 states have (on average 1028.2941176470588) internal successors, (34962), 34 states have internal predecessors, (34962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 18:06:21,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 18:06:21,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1023 of 1253 [2024-11-22 18:06:21,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 18:06:26,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 18:06:30,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 18:06:34,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 18:06:38,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 18:06:42,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []