./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/rwlock.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 fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:45:48,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:45:48,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:45:48,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:45:48,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:45:48,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:45:48,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:45:48,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:45:48,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:45:48,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:45:48,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:45:48,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:45:48,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:45:48,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:45:48,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:45:48,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:45:48,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:45:48,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:45:48,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:45:48,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:45:48,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:45:48,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:45:48,477 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:45:48,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:45:48,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:45:48,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:45:48,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:45:48,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:45:48,479 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:45:48,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:45:48,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:45:48,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:48,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:45:48,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:45:48,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:45:48,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:45:48,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:45:48,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:45:48,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:45:48,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:45:48,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:45:48,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 [2024-11-10 14:45:48,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:45:48,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:45:48,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:45:48,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:45:48,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:45:48,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rwlock.i [2024-11-10 14:45:50,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:45:50,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:45:50,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rwlock.i [2024-11-10 14:45:50,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852d3076b/13fe8b6dbe77459e8bf0b322ca59744d/FLAGc15a88635 [2024-11-10 14:45:50,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852d3076b/13fe8b6dbe77459e8bf0b322ca59744d [2024-11-10 14:45:50,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:45:50,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:45:50,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:50,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:45:50,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:45:50,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:50" (1/1) ... [2024-11-10 14:45:50,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a312b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:50, skipping insertion in model container [2024-11-10 14:45:50,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:50" (1/1) ... [2024-11-10 14:45:50,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:45:52,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:53,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:45:53,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-10 14:45:53,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-10 14:45:53,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-10 14:45:53,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-10 14:45:53,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-10 14:45:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-10 14:45:53,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-10 14:45:53,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-10 14:45:53,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-10 14:45:53,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-10 14:45:53,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-10 14:45:53,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-10 14:45:53,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-10 14:45:53,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-10 14:45:53,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-10 14:45:53,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-10 14:45:53,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-10 14:45:53,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-10 14:45:53,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-10 14:45:53,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-10 14:45:53,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-10 14:45:53,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-10 14:45:53,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-10 14:45:53,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-10 14:45:53,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-10 14:45:53,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-10 14:45:53,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-10 14:45:53,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-10 14:45:53,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-10 14:45:53,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-10 14:45:53,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-10 14:45:53,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-10 14:45:53,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-10 14:45:53,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-10 14:45:53,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-10 14:45:53,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-10 14:45:53,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-10 14:45:53,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-10 14:45:53,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-10 14:45:53,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-10 14:45:53,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-10 14:45:53,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-10 14:45:53,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-10 14:45:53,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-10 14:45:53,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-10 14:45:53,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-10 14:45:53,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-10 14:45:53,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-10 14:45:53,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-10 14:45:53,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-10 14:45:53,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-10 14:45:53,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-10 14:45:53,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-10 14:45:53,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-10 14:45:53,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-10 14:45:53,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-10 14:45:53,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-10 14:45:53,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-10 14:45:53,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-10 14:45:53,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-10 14:45:53,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-10 14:45:53,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-10 14:45:53,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-10 14:45:53,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-10 14:45:53,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-10 14:45:53,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-10 14:45:53,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-10 14:45:53,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-10 14:45:53,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-10 14:45:53,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-10 14:45:53,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-10 14:45:53,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-10 14:45:53,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-10 14:45:53,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-10 14:45:53,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-10 14:45:53,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-10 14:45:53,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-10 14:45:53,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-10 14:45:53,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-10 14:45:53,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-10 14:45:53,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-10 14:45:53,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-10 14:45:53,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-10 14:45:53,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-10 14:45:53,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-10 14:45:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-10 14:45:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-10 14:45:53,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-10 14:45:53,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-10 14:45:53,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-10 14:45:53,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-10 14:45:53,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-10 14:45:53,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-10 14:45:53,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-10 14:45:53,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-10 14:45:53,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-10 14:45:53,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-10 14:45:53,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-10 14:45:53,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-10 14:45:53,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-10 14:45:53,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:53,605 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:45:53,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53 WrapperNode [2024-11-10 14:45:53,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:53,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:53,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:45:53,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:45:53,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,797 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 799 [2024-11-10 14:45:53,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:53,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:45:53,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:45:53,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:45:53,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:45:53,893 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:45:53,893 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:45:53,893 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:45:53,894 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (1/1) ... [2024-11-10 14:45:53,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:53,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:53,927 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) [2024-11-10 14:45:53,930 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 [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-10 14:45:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:45:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:45:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:45:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:45:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-10 14:45:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-10 14:45:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:45:53,982 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:45:54,192 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:45:54,195 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:45:54,674 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255: havoc vatomic32_await_eq_rlx_#t~ret168#1; [2024-11-10 14:45:54,675 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2425: havoc vatomic32_await_ge_sub_acq_#t~ret202#1; [2024-11-10 14:45:54,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6076-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-10 14:45:54,887 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6076: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-10 14:45:55,231 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2425: havoc vatomic32_await_ge_sub_acq_#t~ret202#1; [2024-11-10 14:45:55,232 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2570: havoc vatomic32_await_eq_set_rlx_#t~ret231#1; [2024-11-10 14:45:55,233 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:45:55,234 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:45:55,432 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:45:55,432 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:45:55,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:55 BoogieIcfgContainer [2024-11-10 14:45:55,433 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:45:55,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:45:55,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:45:55,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:45:55,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:45:50" (1/3) ... [2024-11-10 14:45:55,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7eacad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:55, skipping insertion in model container [2024-11-10 14:45:55,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:53" (2/3) ... [2024-11-10 14:45:55,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7eacad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:55, skipping insertion in model container [2024-11-10 14:45:55,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:55" (3/3) ... [2024-11-10 14:45:55,443 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i [2024-11-10 14:45:55,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:45:55,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-11-10 14:45:55,460 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:45:55,768 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:45:55,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 818 places, 962 transitions, 1938 flow [2024-11-10 14:45:56,457 INFO L124 PetriNetUnfolderBase]: 266/1619 cut-off events. [2024-11-10 14:45:56,458 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:45:56,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 1619 events. 266/1619 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7213 event pairs, 0 based on Foata normal form. 0/1290 useless extension candidates. Maximal degree in co-relation 1009. Up to 12 conditions per place. [2024-11-10 14:45:56,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 818 places, 962 transitions, 1938 flow [2024-11-10 14:45:56,561 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 818 places, 962 transitions, 1938 flow [2024-11-10 14:45:56,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:45:56,584 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;@16cba4e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:45:56,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 14:45:56,593 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:45:56,594 INFO L124 PetriNetUnfolderBase]: 14/71 cut-off events. [2024-11-10 14:45:56,595 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:45:56,595 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:56,598 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] [2024-11-10 14:45:56,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [readerErr8ASSERT_VIOLATIONDATA_RACE, readerErr7ASSERT_VIOLATIONDATA_RACE, readerErr5ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:45:56,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:56,605 INFO L85 PathProgramCache]: Analyzing trace with hash 85754487, now seen corresponding path program 1 times [2024-11-10 14:45:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:56,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654107739] [2024-11-10 14:45:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:56,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:57,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:57,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654107739] [2024-11-10 14:45:57,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654107739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:57,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:57,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810512362] [2024-11-10 14:45:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:57,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:45:57,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:45:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:45:57,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 795 out of 962 [2024-11-10 14:45:57,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 962 transitions, 1938 flow. Second operand has 2 states, 2 states have (on average 795.5) internal successors, (1591), 2 states have internal predecessors, (1591), 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) [2024-11-10 14:45:57,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:57,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 795 of 962 [2024-11-10 14:45:57,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:59,039 INFO L124 PetriNetUnfolderBase]: 121/4447 cut-off events. [2024-11-10 14:45:59,040 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-10 14:45:59,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4623 conditions, 4447 events. 121/4447 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 28639 event pairs, 54 based on Foata normal form. 2085/6246 useless extension candidates. Maximal degree in co-relation 3869. Up to 135 conditions per place. [2024-11-10 14:45:59,110 INFO L140 encePairwiseOnDemand]: 811/962 looper letters, 16 selfloop transitions, 0 changer transitions 0/805 dead transitions. [2024-11-10 14:45:59,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 805 transitions, 1656 flow [2024-11-10 14:45:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:45:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:45:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1757 transitions. [2024-11-10 14:45:59,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9132016632016632 [2024-11-10 14:45:59,135 INFO L175 Difference]: Start difference. First operand has 818 places, 962 transitions, 1938 flow. Second operand 2 states and 1757 transitions. [2024-11-10 14:45:59,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 805 transitions, 1656 flow [2024-11-10 14:45:59,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 796 places, 805 transitions, 1656 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:59,156 INFO L231 Difference]: Finished difference. Result has 796 places, 805 transitions, 1624 flow [2024-11-10 14:45:59,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=962, PETRI_DIFFERENCE_MINUEND_FLOW=1624, PETRI_DIFFERENCE_MINUEND_PLACES=795, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=805, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1624, PETRI_PLACES=796, PETRI_TRANSITIONS=805} [2024-11-10 14:45:59,162 INFO L277 CegarLoopForPetriNet]: 818 programPoint places, -22 predicate places. [2024-11-10 14:45:59,163 INFO L471 AbstractCegarLoop]: Abstraction has has 796 places, 805 transitions, 1624 flow [2024-11-10 14:45:59,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 795.5) internal successors, (1591), 2 states have internal predecessors, (1591), 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) [2024-11-10 14:45:59,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:59,164 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] [2024-11-10 14:45:59,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:45:59,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [readerErr8ASSERT_VIOLATIONDATA_RACE, readerErr7ASSERT_VIOLATIONDATA_RACE, readerErr5ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:45:59,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1621232326, now seen corresponding path program 1 times [2024-11-10 14:45:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:59,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075572357] [2024-11-10 14:45:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:00,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:00,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075572357] [2024-11-10 14:46:00,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075572357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:00,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:46:00,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:46:00,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569035937] [2024-11-10 14:46:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:46:00,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:00,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:46:00,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:46:00,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 764 out of 962 [2024-11-10 14:46:00,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 805 transitions, 1624 flow. Second operand has 6 states, 6 states have (on average 765.5) internal successors, (4593), 6 states have internal predecessors, (4593), 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) [2024-11-10 14:46:00,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:00,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 764 of 962 [2024-11-10 14:46:00,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:08,165 INFO L124 PetriNetUnfolderBase]: 2800/30143 cut-off events. [2024-11-10 14:46:08,165 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2024-11-10 14:46:08,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34135 conditions, 30143 events. 2800/30143 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 370385 event pairs, 2055 based on Foata normal form. 0/28508 useless extension candidates. Maximal degree in co-relation 34130. Up to 3827 conditions per place. [2024-11-10 14:46:08,469 INFO L140 encePairwiseOnDemand]: 940/962 looper letters, 46 selfloop transitions, 66 changer transitions 0/870 dead transitions. [2024-11-10 14:46:08,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 801 places, 870 transitions, 1978 flow [2024-11-10 14:46:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:46:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:46:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4697 transitions. [2024-11-10 14:46:08,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8137560637560638 [2024-11-10 14:46:08,480 INFO L175 Difference]: Start difference. First operand has 796 places, 805 transitions, 1624 flow. Second operand 6 states and 4697 transitions. [2024-11-10 14:46:08,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 801 places, 870 transitions, 1978 flow [2024-11-10 14:46:08,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 870 transitions, 1978 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:46:08,505 INFO L231 Difference]: Finished difference. Result has 806 places, 870 transitions, 2060 flow [2024-11-10 14:46:08,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=962, PETRI_DIFFERENCE_MINUEND_FLOW=1624, PETRI_DIFFERENCE_MINUEND_PLACES=796, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2060, PETRI_PLACES=806, PETRI_TRANSITIONS=870} [2024-11-10 14:46:08,508 INFO L277 CegarLoopForPetriNet]: 818 programPoint places, -12 predicate places. [2024-11-10 14:46:08,508 INFO L471 AbstractCegarLoop]: Abstraction has has 806 places, 870 transitions, 2060 flow [2024-11-10 14:46:08,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 765.5) internal successors, (4593), 6 states have internal predecessors, (4593), 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) [2024-11-10 14:46:08,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:08,512 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] [2024-11-10 14:46:08,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:46:08,512 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [readerErr8ASSERT_VIOLATIONDATA_RACE, readerErr7ASSERT_VIOLATIONDATA_RACE, readerErr5ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:46:08,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1298908777, now seen corresponding path program 1 times [2024-11-10 14:46:08,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971265839] [2024-11-10 14:46:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:08,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:08,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971265839] [2024-11-10 14:46:08,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971265839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:08,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:46:08,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:46:08,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136172863] [2024-11-10 14:46:08,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:08,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:46:08,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:08,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:46:08,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:46:08,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 962 [2024-11-10 14:46:08,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 806 places, 870 transitions, 2060 flow. Second operand has 3 states, 3 states have (on average 790.3333333333334) internal successors, (2371), 3 states have internal predecessors, (2371), 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) [2024-11-10 14:46:08,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:08,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 962 [2024-11-10 14:46:08,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:10,927 INFO L124 PetriNetUnfolderBase]: 462/8984 cut-off events. [2024-11-10 14:46:10,928 INFO L125 PetriNetUnfolderBase]: For 482/901 co-relation queries the response was YES. [2024-11-10 14:46:10,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10089 conditions, 8984 events. 462/8984 cut-off events. For 482/901 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 77914 event pairs, 50 based on Foata normal form. 32/8544 useless extension candidates. Maximal degree in co-relation 10079. Up to 422 conditions per place. [2024-11-10 14:46:11,022 INFO L140 encePairwiseOnDemand]: 959/962 looper letters, 56 selfloop transitions, 2 changer transitions 0/878 dead transitions. [2024-11-10 14:46:11,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 878 transitions, 2210 flow [2024-11-10 14:46:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:46:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:46:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2397 transitions. [2024-11-10 14:46:11,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8305613305613305 [2024-11-10 14:46:11,029 INFO L175 Difference]: Start difference. First operand has 806 places, 870 transitions, 2060 flow. Second operand 3 states and 2397 transitions. [2024-11-10 14:46:11,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 878 transitions, 2210 flow [2024-11-10 14:46:11,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 808 places, 878 transitions, 2210 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:46:11,054 INFO L231 Difference]: Finished difference. Result has 809 places, 870 transitions, 2068 flow [2024-11-10 14:46:11,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=962, PETRI_DIFFERENCE_MINUEND_FLOW=2060, PETRI_DIFFERENCE_MINUEND_PLACES=806, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=868, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2068, PETRI_PLACES=809, PETRI_TRANSITIONS=870} [2024-11-10 14:46:11,057 INFO L277 CegarLoopForPetriNet]: 818 programPoint places, -9 predicate places. [2024-11-10 14:46:11,058 INFO L471 AbstractCegarLoop]: Abstraction has has 809 places, 870 transitions, 2068 flow [2024-11-10 14:46:11,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 790.3333333333334) internal successors, (2371), 3 states have internal predecessors, (2371), 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) [2024-11-10 14:46:11,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:11,060 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:46:11,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:46:11,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [readerErr8ASSERT_VIOLATIONDATA_RACE, readerErr7ASSERT_VIOLATIONDATA_RACE, readerErr5ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-10 14:46:11,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:11,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1446915817, now seen corresponding path program 1 times [2024-11-10 14:46:11,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137100444] [2024-11-10 14:46:11,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:46:11,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:46:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:46:11,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:46:11,196 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:46:11,198 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining) [2024-11-10 14:46:11,200 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-10 14:46:11,201 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-10 14:46:11,202 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-10 14:46:11,202 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-10 14:46:11,202 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-10 14:46:11,203 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-10 14:46:11,203 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-10 14:46:11,203 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-10 14:46:11,204 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-10 14:46:11,204 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-10 14:46:11,204 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-10 14:46:11,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-10 14:46:11,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-10 14:46:11,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-10 14:46:11,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-10 14:46:11,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 58 remaining) [2024-11-10 14:46:11,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-10 14:46:11,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-10 14:46:11,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-10 14:46:11,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-10 14:46:11,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-10 14:46:11,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-10 14:46:11,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-10 14:46:11,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-10 14:46:11,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-10 14:46:11,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-10 14:46:11,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-10 14:46:11,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-10 14:46:11,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-10 14:46:11,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-10 14:46:11,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-10 14:46:11,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-10 14:46:11,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-10 14:46:11,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining) [2024-11-10 14:46:11,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining) [2024-11-10 14:46:11,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-10 14:46:11,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-10 14:46:11,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-10 14:46:11,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-10 14:46:11,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-10 14:46:11,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-10 14:46:11,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-10 14:46:11,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-10 14:46:11,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-10 14:46:11,213 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-10 14:46:11,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-10 14:46:11,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-10 14:46:11,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-10 14:46:11,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-10 14:46:11,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-10 14:46:11,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-10 14:46:11,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-10 14:46:11,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-10 14:46:11,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-10 14:46:11,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-10 14:46:11,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-10 14:46:11,216 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-10 14:46:11,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:46:11,217 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:46:11,220 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:46:11,221 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:46:11,522 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-10 14:46:11,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1494 places, 1754 transitions, 3540 flow [2024-11-10 14:46:14,318 INFO L124 PetriNetUnfolderBase]: 735/4388 cut-off events. [2024-11-10 14:46:14,319 INFO L125 PetriNetUnfolderBase]: For 40/52 co-relation queries the response was YES. [2024-11-10 14:46:14,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4445 conditions, 4388 events. 735/4388 cut-off events. For 40/52 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 27933 event pairs, 1 based on Foata normal form. 0/3478 useless extension candidates. Maximal degree in co-relation 2757. Up to 48 conditions per place. [2024-11-10 14:46:14,550 INFO L82 GeneralOperation]: Start removeDead. Operand has 1494 places, 1754 transitions, 3540 flow [2024-11-10 14:46:14,683 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1494 places, 1754 transitions, 3540 flow [2024-11-10 14:46:14,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:46:14,685 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;@16cba4e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:46:14,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-10 14:46:14,689 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:46:14,689 INFO L124 PetriNetUnfolderBase]: 14/71 cut-off events. [2024-11-10 14:46:14,689 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:46:14,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:14,689 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] [2024-11-10 14:46:14,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [readerErr8ASSERT_VIOLATIONDATA_RACE, readerErr7ASSERT_VIOLATIONDATA_RACE, readerErr5ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-10 14:46:14,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:14,690 INFO L85 PathProgramCache]: Analyzing trace with hash 27714231, now seen corresponding path program 1 times [2024-11-10 14:46:14,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:14,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778544236] [2024-11-10 14:46:14,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:14,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:14,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:14,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778544236] [2024-11-10 14:46:14,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778544236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:14,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:46:14,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:46:14,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588489666] [2024-11-10 14:46:14,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:14,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:46:14,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:14,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:46:14,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:46:14,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1449 out of 1754 [2024-11-10 14:46:14,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1494 places, 1754 transitions, 3540 flow. Second operand has 2 states, 2 states have (on average 1449.5) internal successors, (2899), 2 states have internal predecessors, (2899), 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) [2024-11-10 14:46:14,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:14,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1449 of 1754 [2024-11-10 14:46:14,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand