./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_spinlock.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/rec_spinlock.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 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:45:38,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:45:38,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:45:38,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:45:38,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:45:38,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:45:38,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:45:38,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:45:38,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:45:38,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:45:38,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:45:38,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:45:38,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:45:38,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:45:38,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:45:38,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:45:38,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:45:38,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:45:38,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:45:38,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:45:38,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:45:38,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:45:38,492 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:45:38,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:45:38,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:45:38,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:45:38,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:45:38,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:45:38,494 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:45:38,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:45:38,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:45:38,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:38,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:45:38,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:45:38,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:45:38,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:45:38,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:45:38,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:45:38,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:45:38,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:45:38,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:45:38,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 [2024-11-10 14:45:38,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:45:38,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:45:38,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:45:38,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:45:38,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:45:38,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_spinlock.i [2024-11-10 14:45:40,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:45:40,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:45:40,636 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_spinlock.i [2024-11-10 14:45:40,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41b4da58b/db3df7611ce14b2ba7b0df6863892003/FLAGdfa1037f7 [2024-11-10 14:45:40,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41b4da58b/db3df7611ce14b2ba7b0df6863892003 [2024-11-10 14:45:40,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:45:40,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:45:40,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:40,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:45:40,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:45:40,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:40" (1/1) ... [2024-11-10 14:45:40,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646555fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:40, skipping insertion in model container [2024-11-10 14:45:40,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:40" (1/1) ... [2024-11-10 14:45:40,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:45:43,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:43,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:45:43,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-10 14:45:43,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-10 14:45:43,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-10 14:45:43,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-10 14:45:43,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-10 14:45:43,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-10 14:45:43,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-10 14:45:43,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-10 14:45:43,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-10 14:45:43,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-10 14:45:43,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-10 14:45:43,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-10 14:45:43,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-10 14:45:43,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-10 14:45:43,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-10 14:45:43,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-10 14:45:43,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-10 14:45:43,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-10 14:45:43,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-10 14:45:43,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-10 14:45:43,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-10 14:45:43,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-10 14:45:43,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-10 14:45:43,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-10 14:45:43,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-10 14:45:43,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-10 14:45:43,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-10 14:45:43,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-10 14:45:43,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-10 14:45:43,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-10 14:45:43,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-10 14:45:43,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-10 14:45:43,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-10 14:45:43,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-10 14:45:43,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-10 14:45:43,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-10 14:45:43,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-10 14:45:43,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-10 14:45:43,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-10 14:45:43,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-10 14:45:43,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-10 14:45:43,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-10 14:45:43,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-10 14:45:43,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-10 14:45:43,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-10 14:45:43,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-10 14:45:43,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-10 14:45:43,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-10 14:45:43,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-10 14:45:43,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-10 14:45:43,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-10 14:45:43,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-10 14:45:43,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-10 14:45:43,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-10 14:45:43,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-10 14:45:43,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-10 14:45:43,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-10 14:45:43,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-10 14:45:43,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-10 14:45:43,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-10 14:45:43,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-10 14:45:43,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-10 14:45:43,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-10 14:45:43,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-10 14:45:43,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-10 14:45:43,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-10 14:45:43,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-10 14:45:43,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-10 14:45:43,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-10 14:45:43,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-10 14:45:43,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-10 14:45:43,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-10 14:45:43,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-10 14:45:43,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-10 14:45:43,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-10 14:45:43,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-10 14:45:43,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-10 14:45:43,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-10 14:45:43,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-10 14:45:43,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-10 14:45:43,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-10 14:45:43,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-10 14:45:43,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-10 14:45:43,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-10 14:45:43,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-10 14:45:43,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-10 14:45:43,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-10 14:45:43,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-10 14:45:43,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-10 14:45:43,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-10 14:45:43,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-10 14:45:43,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-10 14:45:43,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-10 14:45:43,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-10 14:45:43,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-10 14:45:43,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-10 14:45:43,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-10 14:45:43,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-10 14:45:43,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-10 14:45:43,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-10 14:45:43,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:43,659 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:45:43,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43 WrapperNode [2024-11-10 14:45:43,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:43,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:43,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:45:43,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:45:43,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,836 INFO L138 Inliner]: procedures = 922, calls = 942, calls flagged for inlining = 832, calls inlined = 52, statements flattened = 611 [2024-11-10 14:45:43,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:43,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:45:43,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:45:43,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:45:43,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:45:43,912 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:45:43,912 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:45:43,912 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:45:43,913 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (1/1) ... [2024-11-10 14:45:43,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:43,946 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 14:45:43,949 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 14:45:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:45:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:45:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:45:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:45:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-10 14:45:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-10 14:45:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:45:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:45:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:45:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:45:43,995 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 14:45:44,160 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:45:44,162 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:45:44,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-10 14:45:44,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-10 14:45:44,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:44,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:44,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: havoc caslock_tryacquire_#t~ret802#1; [2024-11-10 14:45:44,932 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1925: havoc vatomic32_cmpxchg_acq_#t~ret118#1; [2024-11-10 14:45:44,932 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2575: havoc vatomic32_await_eq_set_acq_#t~ret232#1; [2024-11-10 14:45:44,934 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:45:44,934 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:45:45,083 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:45:45,087 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:45:45,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:45 BoogieIcfgContainer [2024-11-10 14:45:45,088 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:45:45,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:45:45,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:45:45,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:45:45,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:45:40" (1/3) ... [2024-11-10 14:45:45,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc99a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:45, skipping insertion in model container [2024-11-10 14:45:45,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:43" (2/3) ... [2024-11-10 14:45:45,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc99a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:45, skipping insertion in model container [2024-11-10 14:45:45,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:45" (3/3) ... [2024-11-10 14:45:45,098 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_spinlock.i [2024-11-10 14:45:45,112 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:45:45,112 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-10 14:45:45,112 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:45:45,308 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:45:45,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 634 places, 732 transitions, 1471 flow [2024-11-10 14:45:45,600 INFO L124 PetriNetUnfolderBase]: 117/815 cut-off events. [2024-11-10 14:45:45,600 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:45:45,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 815 events. 117/815 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2899 event pairs, 0 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 688. Up to 6 conditions per place. [2024-11-10 14:45:45,622 INFO L82 GeneralOperation]: Start removeDead. Operand has 634 places, 732 transitions, 1471 flow [2024-11-10 14:45:45,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 634 places, 732 transitions, 1471 flow [2024-11-10 14:45:45,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:45:45,661 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;@2d3efb22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:45:45,662 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 14:45:45,670 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:45:45,671 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2024-11-10 14:45:45,671 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:45:45,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:45,673 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] [2024-11-10 14:45:45,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:45,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:45,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1848284229, now seen corresponding path program 1 times [2024-11-10 14:45:45,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:45,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750306921] [2024-11-10 14:45:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:45,926 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 14:45:45,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:45,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750306921] [2024-11-10 14:45:45,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750306921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:45,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:45,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:45,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182241244] [2024-11-10 14:45:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:45,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:45:45,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:45:45,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:45:45,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 624 out of 732 [2024-11-10 14:45:45,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 732 transitions, 1471 flow. Second operand has 2 states, 2 states have (on average 624.5) internal successors, (1249), 2 states have internal predecessors, (1249), 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 14:45:45,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:45,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 624 of 732 [2024-11-10 14:45:45,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:46,231 INFO L124 PetriNetUnfolderBase]: 15/690 cut-off events. [2024-11-10 14:45:46,232 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:45:46,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 690 events. 15/690 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2221 event pairs, 0 based on Foata normal form. 246/891 useless extension candidates. Maximal degree in co-relation 598. Up to 12 conditions per place. [2024-11-10 14:45:46,241 INFO L140 encePairwiseOnDemand]: 635/732 looper letters, 11 selfloop transitions, 0 changer transitions 0/627 dead transitions. [2024-11-10 14:45:46,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 627 transitions, 1283 flow [2024-11-10 14:45:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:45:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:45:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1356 transitions. [2024-11-10 14:45:46,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9262295081967213 [2024-11-10 14:45:46,265 INFO L175 Difference]: Start difference. First operand has 634 places, 732 transitions, 1471 flow. Second operand 2 states and 1356 transitions. [2024-11-10 14:45:46,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 627 transitions, 1283 flow [2024-11-10 14:45:46,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 627 transitions, 1283 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:46,287 INFO L231 Difference]: Finished difference. Result has 616 places, 627 transitions, 1261 flow [2024-11-10 14:45:46,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=1261, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1261, PETRI_PLACES=616, PETRI_TRANSITIONS=627} [2024-11-10 14:45:46,293 INFO L277 CegarLoopForPetriNet]: 634 programPoint places, -18 predicate places. [2024-11-10 14:45:46,296 INFO L471 AbstractCegarLoop]: Abstraction has has 616 places, 627 transitions, 1261 flow [2024-11-10 14:45:46,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 624.5) internal successors, (1249), 2 states have internal predecessors, (1249), 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 14:45:46,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:46,297 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] [2024-11-10 14:45:46,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:45:46,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:46,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:46,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1498204838, now seen corresponding path program 1 times [2024-11-10 14:45:46,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:46,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947112091] [2024-11-10 14:45:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:47,510 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 14:45:47,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:47,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947112091] [2024-11-10 14:45:47,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947112091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:47,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:47,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:45:47,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087644661] [2024-11-10 14:45:47,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:47,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:45:47,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:47,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:45:47,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:45:48,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 732 [2024-11-10 14:45:48,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 627 transitions, 1261 flow. Second operand has 6 states, 6 states have (on average 578.5) internal successors, (3471), 6 states have internal predecessors, (3471), 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 14:45:48,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:48,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 732 [2024-11-10 14:45:48,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:49,591 INFO L124 PetriNetUnfolderBase]: 964/7849 cut-off events. [2024-11-10 14:45:49,592 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:45:49,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9521 conditions, 7849 events. 964/7849 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 83885 event pairs, 333 based on Foata normal form. 0/7165 useless extension candidates. Maximal degree in co-relation 9517. Up to 1432 conditions per place. [2024-11-10 14:45:49,627 INFO L140 encePairwiseOnDemand]: 688/732 looper letters, 57 selfloop transitions, 154 changer transitions 0/780 dead transitions. [2024-11-10 14:45:49,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 780 transitions, 1989 flow [2024-11-10 14:45:49,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:45:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:45:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3674 transitions. [2024-11-10 14:45:49,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8365209471766849 [2024-11-10 14:45:49,636 INFO L175 Difference]: Start difference. First operand has 616 places, 627 transitions, 1261 flow. Second operand 6 states and 3674 transitions. [2024-11-10 14:45:49,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 780 transitions, 1989 flow [2024-11-10 14:45:49,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 780 transitions, 1989 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:49,653 INFO L231 Difference]: Finished difference. Result has 626 places, 780 transitions, 2269 flow [2024-11-10 14:45:49,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=1261, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2269, PETRI_PLACES=626, PETRI_TRANSITIONS=780} [2024-11-10 14:45:49,655 INFO L277 CegarLoopForPetriNet]: 634 programPoint places, -8 predicate places. [2024-11-10 14:45:49,655 INFO L471 AbstractCegarLoop]: Abstraction has has 626 places, 780 transitions, 2269 flow [2024-11-10 14:45:49,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 578.5) internal successors, (3471), 6 states have internal predecessors, (3471), 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 14:45:49,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:49,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:49,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:45:49,658 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:49,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:49,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2129259935, now seen corresponding path program 1 times [2024-11-10 14:45:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349487176] [2024-11-10 14:45:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:49,693 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 14:45:49,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:49,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349487176] [2024-11-10 14:45:49,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349487176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:49,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:49,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:49,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723640695] [2024-11-10 14:45:49,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:49,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:49,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:49,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:49,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 732 [2024-11-10 14:45:49,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 780 transitions, 2269 flow. Second operand has 3 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 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 14:45:49,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:49,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 732 [2024-11-10 14:45:49,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:50,812 INFO L124 PetriNetUnfolderBase]: 568/7099 cut-off events. [2024-11-10 14:45:50,812 INFO L125 PetriNetUnfolderBase]: For 551/684 co-relation queries the response was YES. [2024-11-10 14:45:50,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8893 conditions, 7099 events. 568/7099 cut-off events. For 551/684 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 66267 event pairs, 45 based on Foata normal form. 14/6673 useless extension candidates. Maximal degree in co-relation 8884. Up to 693 conditions per place. [2024-11-10 14:45:50,843 INFO L140 encePairwiseOnDemand]: 723/732 looper letters, 64 selfloop transitions, 6 changer transitions 0/793 dead transitions. [2024-11-10 14:45:50,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 793 transitions, 2453 flow [2024-11-10 14:45:50,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1879 transitions. [2024-11-10 14:45:50,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8556466302367942 [2024-11-10 14:45:50,848 INFO L175 Difference]: Start difference. First operand has 626 places, 780 transitions, 2269 flow. Second operand 3 states and 1879 transitions. [2024-11-10 14:45:50,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 793 transitions, 2453 flow [2024-11-10 14:45:50,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 793 transitions, 2453 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:50,868 INFO L231 Difference]: Finished difference. Result has 629 places, 784 transitions, 2315 flow [2024-11-10 14:45:50,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=2267, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=773, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2315, PETRI_PLACES=629, PETRI_TRANSITIONS=784} [2024-11-10 14:45:50,874 INFO L277 CegarLoopForPetriNet]: 634 programPoint places, -5 predicate places. [2024-11-10 14:45:50,876 INFO L471 AbstractCegarLoop]: Abstraction has has 629 places, 784 transitions, 2315 flow [2024-11-10 14:45:50,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 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 14:45:50,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:50,877 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:50,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:45:50,878 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:50,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:50,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1814406728, now seen corresponding path program 1 times [2024-11-10 14:45:50,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:50,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165219128] [2024-11-10 14:45:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:50,907 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 14:45:50,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:50,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165219128] [2024-11-10 14:45:50,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165219128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:50,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:50,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:50,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786831846] [2024-11-10 14:45:50,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:50,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:50,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:50,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:50,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:50,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 732 [2024-11-10 14:45:50,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 784 transitions, 2315 flow. Second operand has 3 states, 3 states have (on average 617.6666666666666) internal successors, (1853), 3 states have internal predecessors, (1853), 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 14:45:50,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:50,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 732 [2024-11-10 14:45:50,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:52,241 INFO L124 PetriNetUnfolderBase]: 648/9543 cut-off events. [2024-11-10 14:45:52,241 INFO L125 PetriNetUnfolderBase]: For 630/731 co-relation queries the response was YES. [2024-11-10 14:45:52,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11690 conditions, 9543 events. 648/9543 cut-off events. For 630/731 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 94712 event pairs, 42 based on Foata normal form. 14/9011 useless extension candidates. Maximal degree in co-relation 11679. Up to 855 conditions per place. [2024-11-10 14:45:52,292 INFO L140 encePairwiseOnDemand]: 726/732 looper letters, 61 selfloop transitions, 4 changer transitions 0/795 dead transitions. [2024-11-10 14:45:52,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 795 transitions, 2485 flow [2024-11-10 14:45:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1882 transitions. [2024-11-10 14:45:52,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570127504553734 [2024-11-10 14:45:52,302 INFO L175 Difference]: Start difference. First operand has 629 places, 784 transitions, 2315 flow. Second operand 3 states and 1882 transitions. [2024-11-10 14:45:52,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 795 transitions, 2485 flow [2024-11-10 14:45:52,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 795 transitions, 2473 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:45:52,325 INFO L231 Difference]: Finished difference. Result has 630 places, 786 transitions, 2331 flow [2024-11-10 14:45:52,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=2301, PETRI_DIFFERENCE_MINUEND_PLACES=626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2331, PETRI_PLACES=630, PETRI_TRANSITIONS=786} [2024-11-10 14:45:52,327 INFO L277 CegarLoopForPetriNet]: 634 programPoint places, -4 predicate places. [2024-11-10 14:45:52,327 INFO L471 AbstractCegarLoop]: Abstraction has has 630 places, 786 transitions, 2331 flow [2024-11-10 14:45:52,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 617.6666666666666) internal successors, (1853), 3 states have internal predecessors, (1853), 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 14:45:52,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:52,329 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:52,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:45:52,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:52,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1676681954, now seen corresponding path program 1 times [2024-11-10 14:45:52,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:52,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329149216] [2024-11-10 14:45:52,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:52,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:52,413 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 14:45:52,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:52,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329149216] [2024-11-10 14:45:52,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329149216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:52,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:52,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:45:52,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269162541] [2024-11-10 14:45:52,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:52,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:52,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:52,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:52,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:52,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 732 [2024-11-10 14:45:52,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 786 transitions, 2331 flow. Second operand has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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 14:45:52,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:52,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 732 [2024-11-10 14:45:52,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:53,805 INFO L124 PetriNetUnfolderBase]: 610/9125 cut-off events. [2024-11-10 14:45:53,805 INFO L125 PetriNetUnfolderBase]: For 622/849 co-relation queries the response was YES. [2024-11-10 14:45:53,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11254 conditions, 9125 events. 610/9125 cut-off events. For 622/849 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 90228 event pairs, 30 based on Foata normal form. 41/8650 useless extension candidates. Maximal degree in co-relation 11242. Up to 828 conditions per place. [2024-11-10 14:45:53,845 INFO L140 encePairwiseOnDemand]: 729/732 looper letters, 62 selfloop transitions, 2 changer transitions 0/797 dead transitions. [2024-11-10 14:45:53,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 797 transitions, 2507 flow [2024-11-10 14:45:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1881 transitions. [2024-11-10 14:45:53,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8565573770491803 [2024-11-10 14:45:53,850 INFO L175 Difference]: Start difference. First operand has 630 places, 786 transitions, 2331 flow. Second operand 3 states and 1881 transitions. [2024-11-10 14:45:53,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 797 transitions, 2507 flow [2024-11-10 14:45:53,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 797 transitions, 2499 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:45:53,867 INFO L231 Difference]: Finished difference. Result has 631 places, 786 transitions, 2331 flow [2024-11-10 14:45:53,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=732, PETRI_DIFFERENCE_MINUEND_FLOW=2323, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=786, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2331, PETRI_PLACES=631, PETRI_TRANSITIONS=786} [2024-11-10 14:45:53,869 INFO L277 CegarLoopForPetriNet]: 634 programPoint places, -3 predicate places. [2024-11-10 14:45:53,869 INFO L471 AbstractCegarLoop]: Abstraction has has 631 places, 786 transitions, 2331 flow [2024-11-10 14:45:53,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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 14:45:53,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:53,871 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, 1] [2024-11-10 14:45:53,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:45:53,871 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:45:53,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:53,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1943415166, now seen corresponding path program 1 times [2024-11-10 14:45:53,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:53,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295991639] [2024-11-10 14:45:53,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:45:53,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:45:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:45:53,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:45:53,962 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:45:53,963 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2024-11-10 14:45:53,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2024-11-10 14:45:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-10 14:45:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-10 14:45:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-10 14:45:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-10 14:45:53,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-10 14:45:53,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-10 14:45:53,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-10 14:45:53,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-10 14:45:53,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-10 14:45:53,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2024-11-10 14:45:53,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-10 14:45:53,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-10 14:45:53,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-10 14:45:53,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-10 14:45:53,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-10 14:45:53,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2024-11-10 14:45:53,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2024-11-10 14:45:53,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-10 14:45:53,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-10 14:45:53,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-10 14:45:53,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:45:53,979 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:45:53,982 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:45:53,982 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:45:54,303 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:45:54,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1158 places, 1333 transitions, 2682 flow [2024-11-10 14:45:54,817 INFO L124 PetriNetUnfolderBase]: 222/1565 cut-off events. [2024-11-10 14:45:54,817 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:45:54,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 1565 events. 222/1565 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8051 event pairs, 0 based on Foata normal form. 0/1276 useless extension candidates. Maximal degree in co-relation 1343. Up to 12 conditions per place. [2024-11-10 14:45:54,858 INFO L82 GeneralOperation]: Start removeDead. Operand has 1158 places, 1333 transitions, 2682 flow [2024-11-10 14:45:54,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1158 places, 1333 transitions, 2682 flow [2024-11-10 14:45:54,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:45:54,904 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;@2d3efb22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:45:54,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-10 14:45:54,910 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:45:54,910 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2024-11-10 14:45:54,910 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:45:54,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:54,911 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] [2024-11-10 14:45:54,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-10 14:45:54,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:54,911 INFO L85 PathProgramCache]: Analyzing trace with hash -736982608, now seen corresponding path program 1 times [2024-11-10 14:45:54,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:54,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097493737] [2024-11-10 14:45:54,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:54,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:54,935 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 14:45:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097493737] [2024-11-10 14:45:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097493737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:54,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:54,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:54,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773395088] [2024-11-10 14:45:54,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:54,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:45:54,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:54,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:45:54,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:45:54,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1139 out of 1333 [2024-11-10 14:45:54,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1158 places, 1333 transitions, 2682 flow. Second operand has 2 states, 2 states have (on average 1139.5) internal successors, (2279), 2 states have internal predecessors, (2279), 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 14:45:54,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:54,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1139 of 1333 [2024-11-10 14:45:54,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:56,862 INFO L124 PetriNetUnfolderBase]: 265/7511 cut-off events. [2024-11-10 14:45:56,862 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2024-11-10 14:45:56,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7809 conditions, 7511 events. 265/7511 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 74175 event pairs, 108 based on Foata normal form. 3375/10334 useless extension candidates. Maximal degree in co-relation 1266. Up to 241 conditions per place. [2024-11-10 14:45:56,946 INFO L140 encePairwiseOnDemand]: 1161/1333 looper letters, 22 selfloop transitions, 0 changer transitions 0/1149 dead transitions. [2024-11-10 14:45:56,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1125 places, 1149 transitions, 2358 flow [2024-11-10 14:45:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:45:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:45:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2472 transitions. [2024-11-10 14:45:56,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.927231807951988 [2024-11-10 14:45:56,953 INFO L175 Difference]: Start difference. First operand has 1158 places, 1333 transitions, 2682 flow. Second operand 2 states and 2472 transitions. [2024-11-10 14:45:56,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1125 places, 1149 transitions, 2358 flow [2024-11-10 14:45:56,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1125 places, 1149 transitions, 2358 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:56,974 INFO L231 Difference]: Finished difference. Result has 1125 places, 1149 transitions, 2314 flow [2024-11-10 14:45:56,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1333, PETRI_DIFFERENCE_MINUEND_FLOW=2314, PETRI_DIFFERENCE_MINUEND_PLACES=1124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2314, PETRI_PLACES=1125, PETRI_TRANSITIONS=1149} [2024-11-10 14:45:56,976 INFO L277 CegarLoopForPetriNet]: 1158 programPoint places, -33 predicate places. [2024-11-10 14:45:56,977 INFO L471 AbstractCegarLoop]: Abstraction has has 1125 places, 1149 transitions, 2314 flow [2024-11-10 14:45:56,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1139.5) internal successors, (2279), 2 states have internal predecessors, (2279), 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 14:45:56,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:56,979 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] [2024-11-10 14:45:56,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:45:56,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-10 14:45:56,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:56,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1392111494, now seen corresponding path program 1 times [2024-11-10 14:45:56,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:56,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731802522] [2024-11-10 14:45:56,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:56,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:57,655 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 14:45:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:57,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731802522] [2024-11-10 14:45:57,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731802522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:57,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:57,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:45:57,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204629418] [2024-11-10 14:45:57,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:57,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:45:57,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:57,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:45:57,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:45:58,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1333 [2024-11-10 14:45:58,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1125 places, 1149 transitions, 2314 flow. Second operand has 6 states, 6 states have (on average 1065.5) internal successors, (6393), 6 states have internal predecessors, (6393), 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 14:45:58,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:58,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1333 [2024-11-10 14:45:58,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand