./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_spinlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_spinlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:45:54,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:45:55,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:45:55,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:45:55,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:45:55,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:45:55,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:45:55,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:45:55,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:45:55,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:45:55,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:45:55,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:45:55,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:45:55,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:45:55,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:45:55,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:45:55,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:45:55,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:45:55,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:45:55,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:45:55,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:45:55,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:45:55,085 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:45:55,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:45:55,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:45:55,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:45:55,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:45:55,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:45:55,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:45:55,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:45:55,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:45:55,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:45:55,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:45:55,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:45:55,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:45:55,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:45:55,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:45:55,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:45:55,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:45:55,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:45:55,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:45:55,092 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 [2024-11-12 12:45:55,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:45:55,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:45:55,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:45:55,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:45:55,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:45:55,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_spinlock.i [2024-11-12 12:45:56,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:45:57,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:45:57,385 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_spinlock.i [2024-11-12 12:45:57,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbec7b257/badd36e9eafc492bab93a6fc361f3737/FLAG178058cf4 [2024-11-12 12:45:57,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbec7b257/badd36e9eafc492bab93a6fc361f3737 [2024-11-12 12:45:57,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:45:57,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:45:57,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:45:57,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:45:57,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:45:57,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:57" (1/1) ... [2024-11-12 12:45:57,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3027f06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:57, skipping insertion in model container [2024-11-12 12:45:57,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:57" (1/1) ... [2024-11-12 12:45:57,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:45:59,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:45:59,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:45:59,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-12 12:45:59,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-12 12:45:59,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-12 12:45:59,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-12 12:45:59,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-12 12:45:59,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-12 12:45:59,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-12 12:45:59,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-12 12:45:59,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-12 12:45:59,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-12 12:45:59,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-12 12:45:59,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-12 12:45:59,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-12 12:45:59,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-12 12:45:59,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-12 12:45:59,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-12 12:45:59,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-12 12:45:59,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-12 12:45:59,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-12 12:45:59,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-12 12:45:59,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-12 12:45:59,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-12 12:45:59,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-12 12:45:59,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-12 12:45:59,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-12 12:45:59,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-12 12:45:59,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-12 12:45:59,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-12 12:45:59,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-12 12:45:59,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-12 12:45:59,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-12 12:45:59,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-12 12:45:59,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-12 12:45:59,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-12 12:45:59,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-12 12:45:59,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-12 12:45:59,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-12 12:45:59,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-12 12:45:59,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-12 12:45:59,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-12 12:45:59,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-12 12:45:59,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-12 12:45:59,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-12 12:45:59,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-12 12:45:59,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-12 12:45:59,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-12 12:45:59,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-12 12:45:59,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-12 12:45:59,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-12 12:45:59,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-12 12:45:59,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-12 12:45:59,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-12 12:45:59,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-12 12:45:59,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-12 12:45:59,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-12 12:45:59,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-12 12:45:59,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-12 12:45:59,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-12 12:45:59,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-12 12:45:59,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-12 12:45:59,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-12 12:45:59,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-12 12:45:59,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-12 12:45:59,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-12 12:45:59,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-12 12:45:59,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-12 12:45:59,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-12 12:45:59,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-12 12:45:59,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-12 12:45:59,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-12 12:45:59,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-12 12:45:59,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-12 12:45:59,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-12 12:45:59,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-12 12:45:59,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-12 12:45:59,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-12 12:45:59,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-12 12:45:59,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-12 12:45:59,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-12 12:45:59,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-12 12:45:59,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-12 12:45:59,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-12 12:45:59,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-12 12:45:59,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-12 12:45:59,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-12 12:45:59,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-12 12:45:59,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-12 12:45:59,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-12 12:45:59,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-12 12:45:59,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-12 12:45:59,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-12 12:45:59,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-12 12:45:59,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-12 12:45:59,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-12 12:45:59,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-12 12:45:59,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-12 12:45:59,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-12 12:45:59,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-12 12:45:59,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-12 12:45:59,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-12 12:45:59,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:46:00,252 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:46:00,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00 WrapperNode [2024-11-12 12:46:00,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:46:00,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:46:00,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:46:00,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:46:00,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,480 INFO L138 Inliner]: procedures = 922, calls = 942, calls flagged for inlining = 832, calls inlined = 52, statements flattened = 654 [2024-11-12 12:46:00,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:46:00,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:46:00,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:46:00,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:46:00,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:46:00,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:46:00,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:46:00,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:46:00,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (1/1) ... [2024-11-12 12:46:00,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:46:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:46:00,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:46:00,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:46:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:46:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:46:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:46:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-12 12:46:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-12 12:46:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:46:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:46:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:46:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:46:00,682 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:46:00,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:46:00,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:46:01,849 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:46:01,850 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:46:02,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:46:02,011 INFO L316 CfgBuilder]: Removed 78 assume(true) statements. [2024-11-12 12:46:02,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:02 BoogieIcfgContainer [2024-11-12 12:46:02,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:46:02,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:46:02,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:46:02,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:46:02,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:57" (1/3) ... [2024-11-12 12:46:02,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8badbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:02, skipping insertion in model container [2024-11-12 12:46:02,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:00" (2/3) ... [2024-11-12 12:46:02,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8badbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:02, skipping insertion in model container [2024-11-12 12:46:02,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:02" (3/3) ... [2024-11-12 12:46:02,021 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_spinlock.i [2024-11-12 12:46:02,037 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:46:02,038 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-12 12:46:02,038 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:46:02,246 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 12:46:02,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 616 places, 714 transitions, 1435 flow [2024-11-12 12:46:02,579 INFO L124 PetriNetUnfolderBase]: 117/794 cut-off events. [2024-11-12 12:46:02,579 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:46:02,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 794 events. 117/794 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2789 event pairs, 0 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 671. Up to 6 conditions per place. [2024-11-12 12:46:02,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 616 places, 714 transitions, 1435 flow [2024-11-12 12:46:02,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 616 places, 714 transitions, 1435 flow [2024-11-12 12:46:02,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:46:02,646 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;@34d70e4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:46:02,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-12 12:46:02,657 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:46:02,657 INFO L124 PetriNetUnfolderBase]: 14/66 cut-off events. [2024-11-12 12:46:02,657 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:46:02,658 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:02,659 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:02,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:02,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:02,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1640774554, now seen corresponding path program 1 times [2024-11-12 12:46:02,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:02,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793621888] [2024-11-12 12:46:02,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:02,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:02,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793621888] [2024-11-12 12:46:02,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793621888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:02,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:02,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114315517] [2024-11-12 12:46:02,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:02,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:46:02,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:02,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:46:02,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:46:02,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 714 [2024-11-12 12:46:02,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 714 transitions, 1435 flow. Second operand has 2 states, 2 states have (on average 606.5) internal successors, (1213), 2 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:02,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:02,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 714 [2024-11-12 12:46:02,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:03,197 INFO L124 PetriNetUnfolderBase]: 15/669 cut-off events. [2024-11-12 12:46:03,197 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:46:03,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 669 events. 15/669 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2165 event pairs, 0 based on Foata normal form. 225/849 useless extension candidates. Maximal degree in co-relation 581. Up to 12 conditions per place. [2024-11-12 12:46:03,207 INFO L140 encePairwiseOnDemand]: 617/714 looper letters, 11 selfloop transitions, 0 changer transitions 0/609 dead transitions. [2024-11-12 12:46:03,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 609 transitions, 1247 flow [2024-11-12 12:46:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:46:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:46:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1320 transitions. [2024-11-12 12:46:03,235 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2024-11-12 12:46:03,240 INFO L175 Difference]: Start difference. First operand has 616 places, 714 transitions, 1435 flow. Second operand 2 states and 1320 transitions. [2024-11-12 12:46:03,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 609 transitions, 1247 flow [2024-11-12 12:46:03,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 609 transitions, 1247 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:03,263 INFO L231 Difference]: Finished difference. Result has 598 places, 609 transitions, 1225 flow [2024-11-12 12:46:03,266 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1225, PETRI_PLACES=598, PETRI_TRANSITIONS=609} [2024-11-12 12:46:03,270 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -18 predicate places. [2024-11-12 12:46:03,271 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 609 transitions, 1225 flow [2024-11-12 12:46:03,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 606.5) internal successors, (1213), 2 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:03,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:03,272 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:03,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:46:03,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:03,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:03,274 INFO L85 PathProgramCache]: Analyzing trace with hash -969212547, now seen corresponding path program 1 times [2024-11-12 12:46:03,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:03,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014479374] [2024-11-12 12:46:03,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:04,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:04,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014479374] [2024-11-12 12:46:04,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014479374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:04,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:04,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:04,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534882226] [2024-11-12 12:46:04,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:04,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:04,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:04,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:04,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:04,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 714 [2024-11-12 12:46:04,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 609 transitions, 1225 flow. Second operand has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:04,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:04,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 714 [2024-11-12 12:46:04,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:06,600 INFO L124 PetriNetUnfolderBase]: 971/7821 cut-off events. [2024-11-12 12:46:06,601 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 12:46:06,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9495 conditions, 7821 events. 971/7821 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 83681 event pairs, 367 based on Foata normal form. 0/7122 useless extension candidates. Maximal degree in co-relation 9491. Up to 1434 conditions per place. [2024-11-12 12:46:06,641 INFO L140 encePairwiseOnDemand]: 670/714 looper letters, 57 selfloop transitions, 154 changer transitions 0/762 dead transitions. [2024-11-12 12:46:06,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 762 transitions, 1953 flow [2024-11-12 12:46:06,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3566 transitions. [2024-11-12 12:46:06,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8323996265172736 [2024-11-12 12:46:06,650 INFO L175 Difference]: Start difference. First operand has 598 places, 609 transitions, 1225 flow. Second operand 6 states and 3566 transitions. [2024-11-12 12:46:06,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 762 transitions, 1953 flow [2024-11-12 12:46:06,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 762 transitions, 1953 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:06,675 INFO L231 Difference]: Finished difference. Result has 608 places, 762 transitions, 2233 flow [2024-11-12 12:46:06,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2233, PETRI_PLACES=608, PETRI_TRANSITIONS=762} [2024-11-12 12:46:06,677 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -8 predicate places. [2024-11-12 12:46:06,677 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 762 transitions, 2233 flow [2024-11-12 12:46:06,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:06,680 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:06,680 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:06,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:46:06,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:06,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1182220961, now seen corresponding path program 1 times [2024-11-12 12:46:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966232733] [2024-11-12 12:46:06,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:06,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:06,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966232733] [2024-11-12 12:46:06,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966232733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:06,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:06,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:06,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971743091] [2024-11-12 12:46:06,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:06,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:46:06,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:06,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:46:06,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:46:06,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 714 [2024-11-12 12:46:06,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 762 transitions, 2233 flow. Second operand has 3 states, 3 states have (on average 596.6666666666666) internal successors, (1790), 3 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:06,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:06,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 714 [2024-11-12 12:46:06,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:07,943 INFO L124 PetriNetUnfolderBase]: 573/6620 cut-off events. [2024-11-12 12:46:07,944 INFO L125 PetriNetUnfolderBase]: For 596/953 co-relation queries the response was YES. [2024-11-12 12:46:07,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8401 conditions, 6620 events. 573/6620 cut-off events. For 596/953 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 61234 event pairs, 24 based on Foata normal form. 39/6234 useless extension candidates. Maximal degree in co-relation 8392. Up to 677 conditions per place. [2024-11-12 12:46:07,989 INFO L140 encePairwiseOnDemand]: 705/714 looper letters, 64 selfloop transitions, 6 changer transitions 0/775 dead transitions. [2024-11-12 12:46:07,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 775 transitions, 2417 flow [2024-11-12 12:46:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:46:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:46:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1825 transitions. [2024-11-12 12:46:07,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8520074696545284 [2024-11-12 12:46:07,995 INFO L175 Difference]: Start difference. First operand has 608 places, 762 transitions, 2233 flow. Second operand 3 states and 1825 transitions. [2024-11-12 12:46:07,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 775 transitions, 2417 flow [2024-11-12 12:46:08,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 775 transitions, 2417 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:08,016 INFO L231 Difference]: Finished difference. Result has 611 places, 766 transitions, 2279 flow [2024-11-12 12:46:08,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=2231, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=755, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2279, PETRI_PLACES=611, PETRI_TRANSITIONS=766} [2024-11-12 12:46:08,019 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -5 predicate places. [2024-11-12 12:46:08,019 INFO L471 AbstractCegarLoop]: Abstraction has has 611 places, 766 transitions, 2279 flow [2024-11-12 12:46:08,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 596.6666666666666) internal successors, (1790), 3 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:08,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:08,021 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:08,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:46:08,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:08,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2052044187, now seen corresponding path program 1 times [2024-11-12 12:46:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020643313] [2024-11-12 12:46:08,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:08,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:08,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020643313] [2024-11-12 12:46:08,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020643313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:08,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:08,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:08,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638394214] [2024-11-12 12:46:08,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:08,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:46:08,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:08,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:46:08,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:46:08,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 714 [2024-11-12 12:46:08,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 766 transitions, 2279 flow. Second operand has 3 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:08,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:08,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 714 [2024-11-12 12:46:08,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:09,422 INFO L124 PetriNetUnfolderBase]: 640/8681 cut-off events. [2024-11-12 12:46:09,422 INFO L125 PetriNetUnfolderBase]: For 671/898 co-relation queries the response was YES. [2024-11-12 12:46:09,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10791 conditions, 8681 events. 640/8681 cut-off events. For 671/898 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 84227 event pairs, 32 based on Foata normal form. 39/8203 useless extension candidates. Maximal degree in co-relation 10780. Up to 821 conditions per place. [2024-11-12 12:46:09,469 INFO L140 encePairwiseOnDemand]: 708/714 looper letters, 61 selfloop transitions, 4 changer transitions 0/777 dead transitions. [2024-11-12 12:46:09,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 777 transitions, 2449 flow [2024-11-12 12:46:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:46:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:46:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1828 transitions. [2024-11-12 12:46:09,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8534080298786181 [2024-11-12 12:46:09,475 INFO L175 Difference]: Start difference. First operand has 611 places, 766 transitions, 2279 flow. Second operand 3 states and 1828 transitions. [2024-11-12 12:46:09,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 777 transitions, 2449 flow [2024-11-12 12:46:09,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 777 transitions, 2437 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:46:09,498 INFO L231 Difference]: Finished difference. Result has 612 places, 768 transitions, 2295 flow [2024-11-12 12:46:09,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=2265, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=761, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2295, PETRI_PLACES=612, PETRI_TRANSITIONS=768} [2024-11-12 12:46:09,501 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -4 predicate places. [2024-11-12 12:46:09,501 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 768 transitions, 2295 flow [2024-11-12 12:46:09,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:09,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:09,502 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:09,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:46:09,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:09,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash 233819247, now seen corresponding path program 1 times [2024-11-12 12:46:09,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056253260] [2024-11-12 12:46:09,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:09,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:09,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056253260] [2024-11-12 12:46:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056253260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:09,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:46:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039875477] [2024-11-12 12:46:09,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:09,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:46:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:09,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:46:09,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:46:09,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 714 [2024-11-12 12:46:09,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 768 transitions, 2295 flow. Second operand has 3 states, 3 states have (on average 601.3333333333334) internal successors, (1804), 3 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:09,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:09,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 714 [2024-11-12 12:46:09,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:11,196 INFO L124 PetriNetUnfolderBase]: 666/9349 cut-off events. [2024-11-12 12:46:11,196 INFO L125 PetriNetUnfolderBase]: For 683/1008 co-relation queries the response was YES. [2024-11-12 12:46:11,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11579 conditions, 9349 events. 666/9349 cut-off events. For 683/1008 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 93010 event pairs, 51 based on Foata normal form. 14/8815 useless extension candidates. Maximal degree in co-relation 11567. Up to 865 conditions per place. [2024-11-12 12:46:11,243 INFO L140 encePairwiseOnDemand]: 711/714 looper letters, 62 selfloop transitions, 2 changer transitions 0/779 dead transitions. [2024-11-12 12:46:11,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 779 transitions, 2471 flow [2024-11-12 12:46:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:46:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:46:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2024-11-12 12:46:11,248 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8529411764705882 [2024-11-12 12:46:11,248 INFO L175 Difference]: Start difference. First operand has 612 places, 768 transitions, 2295 flow. Second operand 3 states and 1827 transitions. [2024-11-12 12:46:11,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 779 transitions, 2471 flow [2024-11-12 12:46:11,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 779 transitions, 2463 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:46:11,266 INFO L231 Difference]: Finished difference. Result has 613 places, 768 transitions, 2295 flow [2024-11-12 12:46:11,268 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=714, PETRI_DIFFERENCE_MINUEND_FLOW=2287, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2295, PETRI_PLACES=613, PETRI_TRANSITIONS=768} [2024-11-12 12:46:11,270 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -3 predicate places. [2024-11-12 12:46:11,271 INFO L471 AbstractCegarLoop]: Abstraction has has 613 places, 768 transitions, 2295 flow [2024-11-12 12:46:11,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 601.3333333333334) internal successors, (1804), 3 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:11,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:11,273 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:11,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:46:11,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-12 12:46:11,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:11,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1559213558, now seen corresponding path program 1 times [2024-11-12 12:46:11,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:11,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359977340] [2024-11-12 12:46:11,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:11,309 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 12:46:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:11,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 12:46:11,362 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 12:46:11,365 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2024-11-12 12:46:11,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-12 12:46:11,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-12 12:46:11,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-12 12:46:11,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-12 12:46:11,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-12 12:46:11,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-12 12:46:11,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-12 12:46:11,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2024-11-12 12:46:11,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2024-11-12 12:46:11,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2024-11-12 12:46:11,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2024-11-12 12:46:11,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-12 12:46:11,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-12 12:46:11,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-12 12:46:11,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-12 12:46:11,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-12 12:46:11,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-12 12:46:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-12 12:46:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-12 12:46:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-12 12:46:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-12 12:46:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-12 12:46:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-12 12:46:11,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-12 12:46:11,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-12 12:46:11,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-12 12:46:11,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:46:11,380 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-12 12:46:11,386 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 12:46:11,386 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 12:46:11,557 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:46:11,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1126 places, 1301 transitions, 2618 flow [2024-11-12 12:46:12,135 INFO L124 PetriNetUnfolderBase]: 222/1526 cut-off events. [2024-11-12 12:46:12,135 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 12:46:12,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1538 conditions, 1526 events. 222/1526 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7775 event pairs, 0 based on Foata normal form. 0/1237 useless extension candidates. Maximal degree in co-relation 1311. Up to 12 conditions per place. [2024-11-12 12:46:12,200 INFO L82 GeneralOperation]: Start removeDead. Operand has 1126 places, 1301 transitions, 2618 flow [2024-11-12 12:46:12,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1126 places, 1301 transitions, 2618 flow [2024-11-12 12:46:12,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:46:12,241 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;@34d70e4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:46:12,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-12 12:46:12,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:46:12,245 INFO L124 PetriNetUnfolderBase]: 14/66 cut-off events. [2024-11-12 12:46:12,245 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:46:12,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:12,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:12,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-12 12:46:12,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash 909230810, now seen corresponding path program 1 times [2024-11-12 12:46:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:12,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113814130] [2024-11-12 12:46:12,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:12,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:12,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113814130] [2024-11-12 12:46:12,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113814130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:12,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:12,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:12,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661810629] [2024-11-12 12:46:12,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:12,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:46:12,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:12,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:46:12,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:46:12,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1301 [2024-11-12 12:46:12,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1126 places, 1301 transitions, 2618 flow. Second operand has 2 states, 2 states have (on average 1107.5) internal successors, (2215), 2 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:12,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:12,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1301 [2024-11-12 12:46:12,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:14,217 INFO L124 PetriNetUnfolderBase]: 265/7301 cut-off events. [2024-11-12 12:46:14,218 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2024-11-12 12:46:14,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7599 conditions, 7301 events. 265/7301 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 72080 event pairs, 108 based on Foata normal form. 3064/9812 useless extension candidates. Maximal degree in co-relation 1231. Up to 241 conditions per place. [2024-11-12 12:46:14,346 INFO L140 encePairwiseOnDemand]: 1129/1301 looper letters, 22 selfloop transitions, 0 changer transitions 0/1117 dead transitions. [2024-11-12 12:46:14,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1093 places, 1117 transitions, 2294 flow [2024-11-12 12:46:14,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:46:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:46:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2408 transitions. [2024-11-12 12:46:14,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254419677171407 [2024-11-12 12:46:14,354 INFO L175 Difference]: Start difference. First operand has 1126 places, 1301 transitions, 2618 flow. Second operand 2 states and 2408 transitions. [2024-11-12 12:46:14,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1093 places, 1117 transitions, 2294 flow [2024-11-12 12:46:14,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1117 transitions, 2294 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:14,385 INFO L231 Difference]: Finished difference. Result has 1093 places, 1117 transitions, 2250 flow [2024-11-12 12:46:14,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1301, PETRI_DIFFERENCE_MINUEND_FLOW=2250, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2250, PETRI_PLACES=1093, PETRI_TRANSITIONS=1117} [2024-11-12 12:46:14,388 INFO L279 CegarLoopForPetriNet]: 1126 programPoint places, -33 predicate places. [2024-11-12 12:46:14,388 INFO L471 AbstractCegarLoop]: Abstraction has has 1093 places, 1117 transitions, 2250 flow [2024-11-12 12:46:14,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1107.5) internal successors, (2215), 2 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:14,390 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:14,390 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:14,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:46:14,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-12 12:46:14,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:14,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1416495613, now seen corresponding path program 1 times [2024-11-12 12:46:14,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:14,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344717354] [2024-11-12 12:46:14,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:14,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:15,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:15,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344717354] [2024-11-12 12:46:15,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344717354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:15,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:15,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:15,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719194541] [2024-11-12 12:46:15,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:15,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:15,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:15,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:15,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:15,655 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1032 out of 1301 [2024-11-12 12:46:15,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1093 places, 1117 transitions, 2250 flow. Second operand has 6 states, 6 states have (on average 1033.5) internal successors, (6201), 6 states have internal predecessors, (6201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:15,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:15,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1032 of 1301 [2024-11-12 12:46:15,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand