./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/libvsync/rec_ticketlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/rec_ticketlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU --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 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:09,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:09,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:16:09,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:09,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:09,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:09,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:09,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:09,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:09,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:09,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:09,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:09,245 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:09,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:09,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:09,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:09,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:09,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:09,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:09,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:09,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:09,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:09,255 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:16:09,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:09,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:16:09,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:09,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:09,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:09,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:09,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:09,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:09,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:09,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:09,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:09,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:09,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:09,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:09,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:09,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:09,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:09,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:09,264 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2024-10-31 22:16:09,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:09,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:09,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:09,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:09,596 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:09,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/libvsync/rec_ticketlock.i Unable to find full path for "g++" [2024-10-31 22:16:11,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:12,149 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:12,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-10-31 22:16:12,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/data/5377cc5e2/96e14bd92b604380bff91e5e1e37bc31/FLAGf09b0649b [2024-10-31 22:16:12,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/data/5377cc5e2/96e14bd92b604380bff91e5e1e37bc31 [2024-10-31 22:16:12,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:12,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:12,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:12,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:12,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:12,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3ee21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12, skipping insertion in model container [2024-10-31 22:16:12,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:16,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:16,166 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:16,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-31 22:16:16,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-31 22:16:16,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-31 22:16:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-31 22:16:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-31 22:16:16,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-31 22:16:16,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-31 22:16:16,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-31 22:16:16,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-31 22:16:16,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-31 22:16:16,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-31 22:16:16,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-31 22:16:16,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-31 22:16:16,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-31 22:16:16,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-31 22:16:16,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-31 22:16:16,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-31 22:16:16,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-31 22:16:16,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-31 22:16:16,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-31 22:16:16,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-31 22:16:16,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-31 22:16:16,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-31 22:16:16,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-31 22:16:16,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-31 22:16:16,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-31 22:16:16,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-31 22:16:16,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-31 22:16:16,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-31 22:16:16,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-31 22:16:16,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-31 22:16:16,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-31 22:16:16,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-31 22:16:16,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-31 22:16:16,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-31 22:16:16,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-31 22:16:16,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-31 22:16:16,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-31 22:16:16,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-31 22:16:16,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-31 22:16:16,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-31 22:16:16,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-31 22:16:16,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-31 22:16:16,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-31 22:16:16,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-31 22:16:16,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-31 22:16:16,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-31 22:16:16,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-31 22:16:16,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-31 22:16:16,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-31 22:16:16,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-31 22:16:16,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-31 22:16:16,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-31 22:16:16,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-31 22:16:16,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-31 22:16:16,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-31 22:16:16,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-31 22:16:16,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-31 22:16:16,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-31 22:16:16,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-31 22:16:16,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-31 22:16:16,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-31 22:16:16,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-31 22:16:16,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-31 22:16:16,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-31 22:16:16,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-31 22:16:16,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-31 22:16:16,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-31 22:16:16,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-31 22:16:16,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-31 22:16:16,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-31 22:16:16,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-31 22:16:16,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-31 22:16:16,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-31 22:16:16,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-31 22:16:16,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-31 22:16:16,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-31 22:16:16,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-31 22:16:16,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-31 22:16:16,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-31 22:16:16,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-31 22:16:16,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-31 22:16:16,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-31 22:16:16,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-31 22:16:16,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-31 22:16:16,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-31 22:16:16,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-31 22:16:16,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-31 22:16:16,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-31 22:16:16,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-31 22:16:16,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-31 22:16:16,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-31 22:16:16,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-31 22:16:16,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-31 22:16:16,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-31 22:16:16,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-31 22:16:16,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-31 22:16:16,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-31 22:16:16,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-31 22:16:16,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-31 22:16:16,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:16,928 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:16,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16 WrapperNode [2024-10-31 22:16:16,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:16,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:16,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:16,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:16,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,153 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 686 [2024-10-31 22:16:17,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:17,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:17,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:17,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:17,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:17,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:17,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:17,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:17,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (1/1) ... [2024-10-31 22:16:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:17,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:17,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b069f8e2-b5cb-4385-93a5-8775e3bf92cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:16:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-31 22:16:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-31 22:16:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:16:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:16:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:16:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:16:17,363 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:16:17,563 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:17,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:18,767 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:16:18,767 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:18,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:18,970 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-31 22:16:18,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:18 BoogieIcfgContainer [2024-10-31 22:16:18,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:18,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:18,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:18,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:18,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:12" (1/3) ... [2024-10-31 22:16:18,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650c43f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:18, skipping insertion in model container [2024-10-31 22:16:18,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:16" (2/3) ... [2024-10-31 22:16:18,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650c43f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:18, skipping insertion in model container [2024-10-31 22:16:18,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:18" (3/3) ... [2024-10-31 22:16:18,990 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2024-10-31 22:16:19,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:19,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-10-31 22:16:19,011 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:16:19,276 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 22:16:19,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 662 places, 758 transitions, 1523 flow [2024-10-31 22:16:19,760 INFO L124 PetriNetUnfolderBase]: 115/838 cut-off events. [2024-10-31 22:16:19,761 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:16:19,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 838 events. 115/838 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2746 event pairs, 0 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 714. Up to 6 conditions per place. [2024-10-31 22:16:19,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 662 places, 758 transitions, 1523 flow [2024-10-31 22:16:19,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 758 transitions, 1523 flow [2024-10-31 22:16:19,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:19,850 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;@77c24b18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:19,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-10-31 22:16:19,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:16:19,862 INFO L124 PetriNetUnfolderBase]: 14/67 cut-off events. [2024-10-31 22:16:19,863 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:19,863 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:19,864 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] [2024-10-31 22:16:19,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:19,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash -584898800, now seen corresponding path program 1 times [2024-10-31 22:16:19,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:19,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107982953] [2024-10-31 22:16:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:20,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:20,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107982953] [2024-10-31 22:16:20,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107982953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:20,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:20,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105056341] [2024-10-31 22:16:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:20,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:20,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:20,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:20,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 647 out of 758 [2024-10-31 22:16:20,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 758 transitions, 1523 flow. Second operand has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2024-10-31 22:16:20,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:20,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 647 of 758 [2024-10-31 22:16:20,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:20,794 INFO L124 PetriNetUnfolderBase]: 14/712 cut-off events. [2024-10-31 22:16:20,794 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:16:20,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 712 events. 14/712 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2286 event pairs, 0 based on Foata normal form. 254/922 useless extension candidates. Maximal degree in co-relation 625. Up to 14 conditions per place. [2024-10-31 22:16:20,803 INFO L140 encePairwiseOnDemand]: 660/758 looper letters, 13 selfloop transitions, 0 changer transitions 0/652 dead transitions. [2024-10-31 22:16:20,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 652 transitions, 1337 flow [2024-10-31 22:16:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:16:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1405 transitions. [2024-10-31 22:16:20,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9267810026385225 [2024-10-31 22:16:20,836 INFO L175 Difference]: Start difference. First operand has 662 places, 758 transitions, 1523 flow. Second operand 2 states and 1405 transitions. [2024-10-31 22:16:20,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 652 transitions, 1337 flow [2024-10-31 22:16:20,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 652 transitions, 1337 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:20,860 INFO L231 Difference]: Finished difference. Result has 642 places, 652 transitions, 1311 flow [2024-10-31 22:16:20,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1311, PETRI_PLACES=642, PETRI_TRANSITIONS=652} [2024-10-31 22:16:20,868 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -20 predicate places. [2024-10-31 22:16:20,868 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 652 transitions, 1311 flow [2024-10-31 22:16:20,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2024-10-31 22:16:20,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:20,870 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:20,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:20,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:20,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:20,872 INFO L85 PathProgramCache]: Analyzing trace with hash 178101308, now seen corresponding path program 1 times [2024-10-31 22:16:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:20,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092772849] [2024-10-31 22:16:20,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:22,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:22,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092772849] [2024-10-31 22:16:22,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092772849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:22,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:22,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:16:22,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317139996] [2024-10-31 22:16:22,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:22,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:22,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:22,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:23,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 758 [2024-10-31 22:16:23,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 652 transitions, 1311 flow. Second operand has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2024-10-31 22:16:23,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:23,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 758 [2024-10-31 22:16:23,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:25,508 INFO L124 PetriNetUnfolderBase]: 997/8235 cut-off events. [2024-10-31 22:16:25,508 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:16:25,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9991 conditions, 8235 events. 997/8235 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 88201 event pairs, 351 based on Foata normal form. 0/7537 useless extension candidates. Maximal degree in co-relation 9987. Up to 1504 conditions per place. [2024-10-31 22:16:25,553 INFO L140 encePairwiseOnDemand]: 712/758 looper letters, 59 selfloop transitions, 162 changer transitions 0/813 dead transitions. [2024-10-31 22:16:25,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 813 transitions, 2075 flow [2024-10-31 22:16:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3822 transitions. [2024-10-31 22:16:25,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8403693931398417 [2024-10-31 22:16:25,562 INFO L175 Difference]: Start difference. First operand has 642 places, 652 transitions, 1311 flow. Second operand 6 states and 3822 transitions. [2024-10-31 22:16:25,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 813 transitions, 2075 flow [2024-10-31 22:16:25,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 813 transitions, 2075 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:25,582 INFO L231 Difference]: Finished difference. Result has 652 places, 813 transitions, 2371 flow [2024-10-31 22:16:25,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2371, PETRI_PLACES=652, PETRI_TRANSITIONS=813} [2024-10-31 22:16:25,584 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2024-10-31 22:16:25,584 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 813 transitions, 2371 flow [2024-10-31 22:16:25,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2024-10-31 22:16:25,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:25,587 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] [2024-10-31 22:16:25,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:25,587 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:25,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:25,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1767086734, now seen corresponding path program 1 times [2024-10-31 22:16:25,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:25,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013685012] [2024-10-31 22:16:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:25,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:25,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013685012] [2024-10-31 22:16:25,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013685012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:25,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:25,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:25,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054109232] [2024-10-31 22:16:25,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:25,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:25,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:25,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 637 out of 758 [2024-10-31 22:16:25,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 813 transitions, 2371 flow. Second operand has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2024-10-31 22:16:25,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:25,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 637 of 758 [2024-10-31 22:16:25,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:27,144 INFO L124 PetriNetUnfolderBase]: 576/7176 cut-off events. [2024-10-31 22:16:27,145 INFO L125 PetriNetUnfolderBase]: For 619/880 co-relation queries the response was YES. [2024-10-31 22:16:27,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9094 conditions, 7176 events. 576/7176 cut-off events. For 619/880 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 67857 event pairs, 28 based on Foata normal form. 47/6788 useless extension candidates. Maximal degree in co-relation 9085. Up to 721 conditions per place. [2024-10-31 22:16:27,194 INFO L140 encePairwiseOnDemand]: 749/758 looper letters, 76 selfloop transitions, 6 changer transitions 0/828 dead transitions. [2024-10-31 22:16:27,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 828 transitions, 2587 flow [2024-10-31 22:16:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:16:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1952 transitions. [2024-10-31 22:16:27,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583992963940194 [2024-10-31 22:16:27,201 INFO L175 Difference]: Start difference. First operand has 652 places, 813 transitions, 2371 flow. Second operand 3 states and 1952 transitions. [2024-10-31 22:16:27,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 828 transitions, 2587 flow [2024-10-31 22:16:27,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 828 transitions, 2587 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:27,230 INFO L231 Difference]: Finished difference. Result has 655 places, 817 transitions, 2417 flow [2024-10-31 22:16:27,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2369, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2417, PETRI_PLACES=655, PETRI_TRANSITIONS=817} [2024-10-31 22:16:27,232 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2024-10-31 22:16:27,233 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 817 transitions, 2417 flow [2024-10-31 22:16:27,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2024-10-31 22:16:27,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:27,235 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] [2024-10-31 22:16:27,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:16:27,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:27,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1658204252, now seen corresponding path program 1 times [2024-10-31 22:16:27,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:27,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638927675] [2024-10-31 22:16:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:27,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:27,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:27,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638927675] [2024-10-31 22:16:27,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638927675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:27,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:27,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:27,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720846265] [2024-10-31 22:16:27,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:27,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:27,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:27,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:27,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:27,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 758 [2024-10-31 22:16:27,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 817 transitions, 2417 flow. Second operand has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2024-10-31 22:16:27,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:27,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 758 [2024-10-31 22:16:27,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:29,512 INFO L124 PetriNetUnfolderBase]: 659/10094 cut-off events. [2024-10-31 22:16:29,512 INFO L125 PetriNetUnfolderBase]: For 708/819 co-relation queries the response was YES. [2024-10-31 22:16:29,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12403 conditions, 10094 events. 659/10094 cut-off events. For 708/819 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 101716 event pairs, 48 based on Foata normal form. 15/9560 useless extension candidates. Maximal degree in co-relation 12392. Up to 907 conditions per place. [2024-10-31 22:16:29,576 INFO L140 encePairwiseOnDemand]: 752/758 looper letters, 73 selfloop transitions, 4 changer transitions 0/830 dead transitions. [2024-10-31 22:16:29,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 830 transitions, 2619 flow [2024-10-31 22:16:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:16:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1955 transitions. [2024-10-31 22:16:29,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597185576077396 [2024-10-31 22:16:29,581 INFO L175 Difference]: Start difference. First operand has 655 places, 817 transitions, 2417 flow. Second operand 3 states and 1955 transitions. [2024-10-31 22:16:29,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 830 transitions, 2619 flow [2024-10-31 22:16:29,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 830 transitions, 2607 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:16:29,603 INFO L231 Difference]: Finished difference. Result has 656 places, 819 transitions, 2433 flow [2024-10-31 22:16:29,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2403, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=812, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=656, PETRI_TRANSITIONS=819} [2024-10-31 22:16:29,605 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -6 predicate places. [2024-10-31 22:16:29,605 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 819 transitions, 2433 flow [2024-10-31 22:16:29,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2024-10-31 22:16:29,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:29,607 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] [2024-10-31 22:16:29,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:16:29,607 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:29,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:29,608 INFO L85 PathProgramCache]: Analyzing trace with hash -897407020, now seen corresponding path program 1 times [2024-10-31 22:16:29,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686374955] [2024-10-31 22:16:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:29,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:29,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686374955] [2024-10-31 22:16:29,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686374955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:29,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:29,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:29,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167485762] [2024-10-31 22:16:29,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:29,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:29,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:29,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:29,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:29,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 758 [2024-10-31 22:16:29,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 819 transitions, 2433 flow. Second operand has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2024-10-31 22:16:29,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:29,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 758 [2024-10-31 22:16:29,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:31,878 INFO L124 PetriNetUnfolderBase]: 630/9685 cut-off events. [2024-10-31 22:16:31,878 INFO L125 PetriNetUnfolderBase]: For 700/979 co-relation queries the response was YES. [2024-10-31 22:16:31,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11991 conditions, 9685 events. 630/9685 cut-off events. For 700/979 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 97449 event pairs, 34 based on Foata normal form. 50/9215 useless extension candidates. Maximal degree in co-relation 11979. Up to 880 conditions per place. [2024-10-31 22:16:31,929 INFO L140 encePairwiseOnDemand]: 755/758 looper letters, 74 selfloop transitions, 2 changer transitions 0/832 dead transitions. [2024-10-31 22:16:31,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 832 transitions, 2641 flow [2024-10-31 22:16:31,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:16:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1954 transitions. [2024-10-31 22:16:31,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8592788038698329 [2024-10-31 22:16:31,935 INFO L175 Difference]: Start difference. First operand has 656 places, 819 transitions, 2433 flow. Second operand 3 states and 1954 transitions. [2024-10-31 22:16:31,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 832 transitions, 2641 flow [2024-10-31 22:16:31,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 832 transitions, 2633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:16:31,957 INFO L231 Difference]: Finished difference. Result has 657 places, 819 transitions, 2433 flow [2024-10-31 22:16:31,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2425, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=819, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=657, PETRI_TRANSITIONS=819} [2024-10-31 22:16:31,960 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -5 predicate places. [2024-10-31 22:16:31,960 INFO L471 AbstractCegarLoop]: Abstraction has has 657 places, 819 transitions, 2433 flow [2024-10-31 22:16:31,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2024-10-31 22:16:31,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:31,964 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:31,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:16:31,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-31 22:16:31,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash -184725943, now seen corresponding path program 1 times [2024-10-31 22:16:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:31,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606087815] [2024-10-31 22:16:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:31,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:32,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:32,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:32,089 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:16:32,090 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-10-31 22:16:32,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-10-31 22:16:32,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-10-31 22:16:32,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-10-31 22:16:32,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-10-31 22:16:32,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-10-31 22:16:32,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-10-31 22:16:32,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-10-31 22:16:32,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-10-31 22:16:32,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-10-31 22:16:32,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-10-31 22:16:32,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-10-31 22:16:32,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-10-31 22:16:32,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-10-31 22:16:32,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-10-31 22:16:32,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-10-31 22:16:32,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-10-31 22:16:32,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-10-31 22:16:32,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-10-31 22:16:32,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-10-31 22:16:32,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-10-31 22:16:32,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-10-31 22:16:32,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-10-31 22:16:32,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-10-31 22:16:32,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-10-31 22:16:32,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-10-31 22:16:32,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-10-31 22:16:32,106 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-10-31 22:16:32,107 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-10-31 22:16:32,108 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-10-31 22:16:32,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-10-31 22:16:32,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-10-31 22:16:32,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-10-31 22:16:32,109 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-10-31 22:16:32,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:16:32,110 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-31 22:16:32,116 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:16:32,116 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 22:16:32,391 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:16:32,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1217 places, 1388 transitions, 2792 flow [2024-10-31 22:16:33,594 INFO L124 PetriNetUnfolderBase]: 218/1613 cut-off events. [2024-10-31 22:16:33,594 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:16:33,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1625 conditions, 1613 events. 218/1613 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7942 event pairs, 0 based on Foata normal form. 0/1324 useless extension candidates. Maximal degree in co-relation 1397. Up to 12 conditions per place. [2024-10-31 22:16:33,682 INFO L82 GeneralOperation]: Start removeDead. Operand has 1217 places, 1388 transitions, 2792 flow [2024-10-31 22:16:33,732 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1217 places, 1388 transitions, 2792 flow [2024-10-31 22:16:33,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:33,733 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;@77c24b18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:33,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-10-31 22:16:33,739 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:16:33,739 INFO L124 PetriNetUnfolderBase]: 14/67 cut-off events. [2024-10-31 22:16:33,739 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:33,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:33,740 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] [2024-10-31 22:16:33,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-31 22:16:33,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:33,740 INFO L85 PathProgramCache]: Analyzing trace with hash -59262596, now seen corresponding path program 1 times [2024-10-31 22:16:33,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:33,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816989514] [2024-10-31 22:16:33,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:33,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816989514] [2024-10-31 22:16:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816989514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:33,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:33,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:33,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371588256] [2024-10-31 22:16:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:33,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:33,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:33,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:33,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1188 out of 1388 [2024-10-31 22:16:33,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1217 places, 1388 transitions, 2792 flow. Second operand has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2024-10-31 22:16:33,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:33,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1188 of 1388 [2024-10-31 22:16:33,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:37,165 INFO L124 PetriNetUnfolderBase]: 326/9206 cut-off events. [2024-10-31 22:16:37,165 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-10-31 22:16:37,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9610 conditions, 9206 events. 326/9206 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 96870 event pairs, 154 based on Foata normal form. 3984/12548 useless extension candidates. Maximal degree in co-relation 1377. Up to 337 conditions per place. [2024-10-31 22:16:37,347 INFO L140 encePairwiseOnDemand]: 1214/1388 looper letters, 26 selfloop transitions, 0 changer transitions 0/1202 dead transitions. [2024-10-31 22:16:37,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1180 places, 1202 transitions, 2472 flow [2024-10-31 22:16:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 22:16:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2576 transitions. [2024-10-31 22:16:37,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279538904899135 [2024-10-31 22:16:37,354 INFO L175 Difference]: Start difference. First operand has 1217 places, 1388 transitions, 2792 flow. Second operand 2 states and 2576 transitions. [2024-10-31 22:16:37,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1180 places, 1202 transitions, 2472 flow [2024-10-31 22:16:37,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1180 places, 1202 transitions, 2472 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:37,372 INFO L231 Difference]: Finished difference. Result has 1180 places, 1202 transitions, 2420 flow [2024-10-31 22:16:37,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1388, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=1179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2420, PETRI_PLACES=1180, PETRI_TRANSITIONS=1202} [2024-10-31 22:16:37,375 INFO L277 CegarLoopForPetriNet]: 1217 programPoint places, -37 predicate places. [2024-10-31 22:16:37,375 INFO L471 AbstractCegarLoop]: Abstraction has has 1180 places, 1202 transitions, 2420 flow [2024-10-31 22:16:37,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2024-10-31 22:16:37,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:37,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:37,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:16:37,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-31 22:16:37,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1909920680, now seen corresponding path program 1 times [2024-10-31 22:16:37,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:37,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413437920] [2024-10-31 22:16:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:38,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:38,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413437920] [2024-10-31 22:16:38,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413437920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:38,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:38,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:16:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864363236] [2024-10-31 22:16:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:38,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:38,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30