./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_mcslock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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_mcslock.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 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:52:28,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:52:28,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:52:28,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:52:28,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:52:28,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:52:28,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:52:28,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:52:28,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:52:28,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:52:28,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:52:28,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:52:28,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:52:28,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:52:28,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:52:28,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:52:28,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:52:28,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:52:28,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:52:28,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:52:28,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:52:28,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:52:28,390 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:52:28,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:52:28,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:52:28,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:52:28,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:52:28,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:52:28,392 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:52:28,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:52:28,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:52:28,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:28,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:52:28,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:52:28,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:52:28,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:52:28,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:52:28,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:52:28,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:52:28,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:52:28,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:52:28,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 [2024-11-16 23:52:28,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:52:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:52:28,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:52:28,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:52:28,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:52:28,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_mcslock.i [2024-11-16 23:52:30,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:52:30,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:52:30,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_mcslock.i [2024-11-16 23:52:30,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5a4ba11/79e38a66a8424e6cad51bcf050a82536/FLAG0c2d3db12 [2024-11-16 23:52:30,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5a4ba11/79e38a66a8424e6cad51bcf050a82536 [2024-11-16 23:52:30,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:52:30,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:52:30,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:30,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:52:30,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:52:30,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:30" (1/1) ... [2024-11-16 23:52:30,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2933d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30, skipping insertion in model container [2024-11-16 23:52:30,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:30" (1/1) ... [2024-11-16 23:52:30,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:52:33,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:33,560 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:52:33,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-16 23:52:33,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-16 23:52:33,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-16 23:52:33,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-16 23:52:33,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-16 23:52:33,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-16 23:52:33,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-16 23:52:33,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-16 23:52:33,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-16 23:52:33,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-16 23:52:33,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-16 23:52:33,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-16 23:52:33,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-16 23:52:33,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-16 23:52:33,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-16 23:52:33,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-16 23:52:33,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-16 23:52:33,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-16 23:52:33,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-16 23:52:33,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-16 23:52:33,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-16 23:52:33,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-16 23:52:33,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-16 23:52:33,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-16 23:52:33,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-16 23:52:33,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-16 23:52:33,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-16 23:52:33,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-16 23:52:33,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-16 23:52:33,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-16 23:52:33,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-16 23:52:33,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-16 23:52:33,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-16 23:52:33,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-16 23:52:33,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-16 23:52:33,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-16 23:52:33,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-16 23:52:33,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-16 23:52:33,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-16 23:52:33,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-16 23:52:33,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-16 23:52:33,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-16 23:52:33,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-16 23:52:33,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-16 23:52:33,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-16 23:52:33,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-16 23:52:33,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-16 23:52:33,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-16 23:52:33,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-16 23:52:33,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-16 23:52:33,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-16 23:52:33,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-16 23:52:33,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-16 23:52:33,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-16 23:52:33,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-16 23:52:33,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-16 23:52:33,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-16 23:52:33,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-16 23:52:33,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-16 23:52:33,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-16 23:52:33,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-16 23:52:33,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-16 23:52:33,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-16 23:52:33,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-16 23:52:33,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-16 23:52:33,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-16 23:52:33,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-16 23:52:33,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-16 23:52:33,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-16 23:52:33,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-16 23:52:33,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-16 23:52:33,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-16 23:52:33,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-16 23:52:33,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-16 23:52:33,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-16 23:52:33,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-16 23:52:33,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-16 23:52:33,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-16 23:52:33,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-16 23:52:33,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-16 23:52:33,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-16 23:52:33,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-16 23:52:33,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-16 23:52:33,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-16 23:52:33,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-16 23:52:33,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-16 23:52:33,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-16 23:52:33,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-16 23:52:33,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-16 23:52:33,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-16 23:52:33,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-16 23:52:33,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-16 23:52:33,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-16 23:52:33,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-16 23:52:33,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-16 23:52:33,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-16 23:52:33,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-16 23:52:33,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-16 23:52:33,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-16 23:52:33,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-16 23:52:33,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:34,234 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:52:34,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34 WrapperNode [2024-11-16 23:52:34,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:34,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:34,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:52:34,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:52:34,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,456 INFO L138 Inliner]: procedures = 924, calls = 955, calls flagged for inlining = 838, calls inlined = 56, statements flattened = 631 [2024-11-16 23:52:34,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:34,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:52:34,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:52:34,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:52:34,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:52:34,522 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:52:34,523 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:52:34,523 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:52:34,527 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (1/1) ... [2024-11-16 23:52:34,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:34,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:34,570 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) [2024-11-16 23:52:34,575 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 [2024-11-16 23:52:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:52:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-16 23:52:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:52:34,630 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:52:34,851 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:52:34,853 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:52:35,151 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-16 23:52:35,151 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-16 23:52:35,852 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:35,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc vatomic32_await_eq_acq_#t~ret174#1; [2024-11-16 23:52:35,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3710: havoc vatomicptr_await_neq_rlx_#t~ret421#1.base, vatomicptr_await_neq_rlx_#t~ret421#1.offset; [2024-11-16 23:52:35,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-16 23:52:35,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-16 23:52:35,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2024-11-16 23:52:35,856 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:52:35,856 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:52:36,006 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:52:36,006 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:52:36,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:36 BoogieIcfgContainer [2024-11-16 23:52:36,007 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:52:36,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:52:36,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:52:36,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:52:36,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:30" (1/3) ... [2024-11-16 23:52:36,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef9da3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:36, skipping insertion in model container [2024-11-16 23:52:36,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:34" (2/3) ... [2024-11-16 23:52:36,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef9da3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:36, skipping insertion in model container [2024-11-16 23:52:36,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:36" (3/3) ... [2024-11-16 23:52:36,015 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_mcslock.i [2024-11-16 23:52:36,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:52:36,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-16 23:52:36,032 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:52:36,272 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:52:36,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 655 places, 742 transitions, 1491 flow [2024-11-16 23:52:36,583 INFO L124 PetriNetUnfolderBase]: 106/825 cut-off events. [2024-11-16 23:52:36,583 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:52:36,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 825 events. 106/825 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2316 event pairs, 0 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 690. Up to 6 conditions per place. [2024-11-16 23:52:36,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 655 places, 742 transitions, 1491 flow [2024-11-16 23:52:36,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 655 places, 742 transitions, 1491 flow [2024-11-16 23:52:36,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:36,644 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;@1f8a46c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:36,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-16 23:52:36,655 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:36,656 INFO L124 PetriNetUnfolderBase]: 14/80 cut-off events. [2024-11-16 23:52:36,657 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:36,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:36,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:36,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:36,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash 60003810, now seen corresponding path program 1 times [2024-11-16 23:52:36,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:36,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13406042] [2024-11-16 23:52:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:36,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:36,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:36,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13406042] [2024-11-16 23:52:36,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13406042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:36,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:36,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:36,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598424590] [2024-11-16 23:52:36,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:36,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:36,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:37,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:37,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 635 out of 742 [2024-11-16 23:52:37,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 742 transitions, 1491 flow. Second operand has 2 states, 2 states have (on average 635.5) internal successors, (1271), 2 states have internal predecessors, (1271), 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) [2024-11-16 23:52:37,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:37,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 635 of 742 [2024-11-16 23:52:37,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:37,248 INFO L124 PetriNetUnfolderBase]: 13/707 cut-off events. [2024-11-16 23:52:37,249 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:52:37,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 707 events. 13/707 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1840 event pairs, 0 based on Foata normal form. 301/968 useless extension candidates. Maximal degree in co-relation 611. Up to 16 conditions per place. [2024-11-16 23:52:37,261 INFO L140 encePairwiseOnDemand]: 650/742 looper letters, 15 selfloop transitions, 0 changer transitions 0/644 dead transitions. [2024-11-16 23:52:37,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 644 transitions, 1325 flow [2024-11-16 23:52:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1377 transitions. [2024-11-16 23:52:37,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278975741239892 [2024-11-16 23:52:37,282 INFO L175 Difference]: Start difference. First operand has 655 places, 742 transitions, 1491 flow. Second operand 2 states and 1377 transitions. [2024-11-16 23:52:37,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 644 transitions, 1325 flow [2024-11-16 23:52:37,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 644 transitions, 1325 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:37,309 INFO L231 Difference]: Finished difference. Result has 635 places, 644 transitions, 1295 flow [2024-11-16 23:52:37,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=742, PETRI_DIFFERENCE_MINUEND_FLOW=1295, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1295, PETRI_PLACES=635, PETRI_TRANSITIONS=644} [2024-11-16 23:52:37,319 INFO L277 CegarLoopForPetriNet]: 655 programPoint places, -20 predicate places. [2024-11-16 23:52:37,320 INFO L471 AbstractCegarLoop]: Abstraction has has 635 places, 644 transitions, 1295 flow [2024-11-16 23:52:37,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 635.5) internal successors, (1271), 2 states have internal predecessors, (1271), 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) [2024-11-16 23:52:37,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:37,322 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:37,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:52:37,322 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:37,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:37,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1728262060, now seen corresponding path program 1 times [2024-11-16 23:52:37,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:37,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53714112] [2024-11-16 23:52:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:37,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:38,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:38,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53714112] [2024-11-16 23:52:38,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53714112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:38,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:38,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:38,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152042751] [2024-11-16 23:52:38,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:38,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:38,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:38,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:38,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:38,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 742 [2024-11-16 23:52:38,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 644 transitions, 1295 flow. Second operand has 6 states, 6 states have (on average 597.5) internal successors, (3585), 6 states have internal predecessors, (3585), 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) [2024-11-16 23:52:38,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:38,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 742 [2024-11-16 23:52:38,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:40,586 INFO L124 PetriNetUnfolderBase]: 835/8390 cut-off events. [2024-11-16 23:52:40,586 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:40,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9850 conditions, 8390 events. 835/8390 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 85776 event pairs, 297 based on Foata normal form. 0/7827 useless extension candidates. Maximal degree in co-relation 9846. Up to 1244 conditions per place. [2024-11-16 23:52:40,634 INFO L140 encePairwiseOnDemand]: 702/742 looper letters, 53 selfloop transitions, 138 changer transitions 0/781 dead transitions. [2024-11-16 23:52:40,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 781 transitions, 1951 flow [2024-11-16 23:52:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3768 transitions. [2024-11-16 23:52:40,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8463611859838275 [2024-11-16 23:52:40,645 INFO L175 Difference]: Start difference. First operand has 635 places, 644 transitions, 1295 flow. Second operand 6 states and 3768 transitions. [2024-11-16 23:52:40,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 781 transitions, 1951 flow [2024-11-16 23:52:40,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 781 transitions, 1951 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:40,669 INFO L231 Difference]: Finished difference. Result has 645 places, 781 transitions, 2199 flow [2024-11-16 23:52:40,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=742, PETRI_DIFFERENCE_MINUEND_FLOW=1295, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2199, PETRI_PLACES=645, PETRI_TRANSITIONS=781} [2024-11-16 23:52:40,672 INFO L277 CegarLoopForPetriNet]: 655 programPoint places, -10 predicate places. [2024-11-16 23:52:40,672 INFO L471 AbstractCegarLoop]: Abstraction has has 645 places, 781 transitions, 2199 flow [2024-11-16 23:52:40,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.5) internal successors, (3585), 6 states have internal predecessors, (3585), 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) [2024-11-16 23:52:40,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:40,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:40,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:52:40,675 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:40,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1861501452, now seen corresponding path program 1 times [2024-11-16 23:52:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:40,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490531510] [2024-11-16 23:52:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:40,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490531510] [2024-11-16 23:52:40,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490531510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:40,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:40,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:40,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699564499] [2024-11-16 23:52:40,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:40,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:40,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:40,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:40,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 742 [2024-11-16 23:52:40,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 781 transitions, 2199 flow. Second operand has 3 states, 3 states have (on average 625.6666666666666) internal successors, (1877), 3 states have internal predecessors, (1877), 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) [2024-11-16 23:52:40,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:40,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 742 [2024-11-16 23:52:40,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:41,955 INFO L124 PetriNetUnfolderBase]: 514/7094 cut-off events. [2024-11-16 23:52:41,956 INFO L125 PetriNetUnfolderBase]: For 643/814 co-relation queries the response was YES. [2024-11-16 23:52:41,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 7094 events. 514/7094 cut-off events. For 643/814 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 64103 event pairs, 53 based on Foata normal form. 18/6708 useless extension candidates. Maximal degree in co-relation 8827. Up to 634 conditions per place. [2024-11-16 23:52:41,995 INFO L140 encePairwiseOnDemand]: 733/742 looper letters, 88 selfloop transitions, 6 changer transitions 0/798 dead transitions. [2024-11-16 23:52:41,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 798 transitions, 2447 flow [2024-11-16 23:52:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1920 transitions. [2024-11-16 23:52:42,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.862533692722372 [2024-11-16 23:52:42,001 INFO L175 Difference]: Start difference. First operand has 645 places, 781 transitions, 2199 flow. Second operand 3 states and 1920 transitions. [2024-11-16 23:52:42,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 798 transitions, 2447 flow [2024-11-16 23:52:42,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 798 transitions, 2447 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:42,020 INFO L231 Difference]: Finished difference. Result has 648 places, 785 transitions, 2245 flow [2024-11-16 23:52:42,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=742, PETRI_DIFFERENCE_MINUEND_FLOW=2197, PETRI_DIFFERENCE_MINUEND_PLACES=644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=774, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2245, PETRI_PLACES=648, PETRI_TRANSITIONS=785} [2024-11-16 23:52:42,022 INFO L277 CegarLoopForPetriNet]: 655 programPoint places, -7 predicate places. [2024-11-16 23:52:42,022 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 785 transitions, 2245 flow [2024-11-16 23:52:42,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 625.6666666666666) internal successors, (1877), 3 states have internal predecessors, (1877), 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) [2024-11-16 23:52:42,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:42,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:42,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:52:42,024 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:42,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2098424817, now seen corresponding path program 1 times [2024-11-16 23:52:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:42,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16022981] [2024-11-16 23:52:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:42,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:42,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16022981] [2024-11-16 23:52:42,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16022981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:42,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:42,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:42,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213801939] [2024-11-16 23:52:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:42,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:42,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:42,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 628 out of 742 [2024-11-16 23:52:42,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 785 transitions, 2245 flow. Second operand has 3 states, 3 states have (on average 628.6666666666666) internal successors, (1886), 3 states have internal predecessors, (1886), 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) [2024-11-16 23:52:42,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:42,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 628 of 742 [2024-11-16 23:52:42,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:43,602 INFO L124 PetriNetUnfolderBase]: 581/9454 cut-off events. [2024-11-16 23:52:43,603 INFO L125 PetriNetUnfolderBase]: For 742/867 co-relation queries the response was YES. [2024-11-16 23:52:43,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11553 conditions, 9454 events. 581/9454 cut-off events. For 742/867 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 90417 event pairs, 50 based on Foata normal form. 18/8987 useless extension candidates. Maximal degree in co-relation 11542. Up to 772 conditions per place. [2024-11-16 23:52:43,655 INFO L140 encePairwiseOnDemand]: 736/742 looper letters, 85 selfloop transitions, 4 changer transitions 0/800 dead transitions. [2024-11-16 23:52:43,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 800 transitions, 2479 flow [2024-11-16 23:52:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1923 transitions. [2024-11-16 23:52:43,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8638814016172507 [2024-11-16 23:52:43,662 INFO L175 Difference]: Start difference. First operand has 648 places, 785 transitions, 2245 flow. Second operand 3 states and 1923 transitions. [2024-11-16 23:52:43,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 800 transitions, 2479 flow [2024-11-16 23:52:43,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 800 transitions, 2467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:43,684 INFO L231 Difference]: Finished difference. Result has 649 places, 787 transitions, 2261 flow [2024-11-16 23:52:43,685 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=742, PETRI_DIFFERENCE_MINUEND_FLOW=2231, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=784, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=780, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2261, PETRI_PLACES=649, PETRI_TRANSITIONS=787} [2024-11-16 23:52:43,686 INFO L277 CegarLoopForPetriNet]: 655 programPoint places, -6 predicate places. [2024-11-16 23:52:43,687 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 787 transitions, 2261 flow [2024-11-16 23:52:43,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 628.6666666666666) internal successors, (1886), 3 states have internal predecessors, (1886), 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) [2024-11-16 23:52:43,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:43,688 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:43,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:52:43,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:43,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash -25467578, now seen corresponding path program 1 times [2024-11-16 23:52:43,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:43,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649219750] [2024-11-16 23:52:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:43,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:44,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:44,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649219750] [2024-11-16 23:52:44,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649219750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:44,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:44,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:44,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914149297] [2024-11-16 23:52:44,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:44,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:44,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:44,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:45,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 742 [2024-11-16 23:52:45,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 787 transitions, 2261 flow. Second operand has 6 states, 6 states have (on average 611.3333333333334) internal successors, (3668), 6 states have internal predecessors, (3668), 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) [2024-11-16 23:52:45,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:45,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 742 [2024-11-16 23:52:45,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:47,429 INFO L124 PetriNetUnfolderBase]: 1018/14076 cut-off events. [2024-11-16 23:52:47,429 INFO L125 PetriNetUnfolderBase]: For 1272/2058 co-relation queries the response was YES. [2024-11-16 23:52:47,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17838 conditions, 14076 events. 1018/14076 cut-off events. For 1272/2058 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 154148 event pairs, 189 based on Foata normal form. 112/13471 useless extension candidates. Maximal degree in co-relation 17826. Up to 1347 conditions per place. [2024-11-16 23:52:47,501 INFO L140 encePairwiseOnDemand]: 719/742 looper letters, 144 selfloop transitions, 69 changer transitions 7/877 dead transitions. [2024-11-16 23:52:47,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 877 transitions, 3046 flow [2024-11-16 23:52:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3791 transitions. [2024-11-16 23:52:47,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8515274034141959 [2024-11-16 23:52:47,511 INFO L175 Difference]: Start difference. First operand has 649 places, 787 transitions, 2261 flow. Second operand 6 states and 3791 transitions. [2024-11-16 23:52:47,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 877 transitions, 3046 flow [2024-11-16 23:52:47,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 877 transitions, 3038 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:47,534 INFO L231 Difference]: Finished difference. Result has 657 places, 850 transitions, 2822 flow [2024-11-16 23:52:47,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=742, PETRI_DIFFERENCE_MINUEND_FLOW=2253, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2822, PETRI_PLACES=657, PETRI_TRANSITIONS=850} [2024-11-16 23:52:47,537 INFO L277 CegarLoopForPetriNet]: 655 programPoint places, 2 predicate places. [2024-11-16 23:52:47,537 INFO L471 AbstractCegarLoop]: Abstraction has has 657 places, 850 transitions, 2822 flow [2024-11-16 23:52:47,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 611.3333333333334) internal successors, (3668), 6 states have internal predecessors, (3668), 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) [2024-11-16 23:52:47,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:47,540 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:47,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:52:47,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:47,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:47,541 INFO L85 PathProgramCache]: Analyzing trace with hash -797685202, now seen corresponding path program 1 times [2024-11-16 23:52:47,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:47,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145501670] [2024-11-16 23:52:47,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:47,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:52:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:47,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:52:47,652 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:52:47,654 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-11-16 23:52:47,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-16 23:52:47,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-16 23:52:47,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-16 23:52:47,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-16 23:52:47,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-16 23:52:47,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-16 23:52:47,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-16 23:52:47,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-16 23:52:47,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-16 23:52:47,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-16 23:52:47,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-16 23:52:47,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-16 23:52:47,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-16 23:52:47,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-16 23:52:47,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-16 23:52:47,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-16 23:52:47,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-16 23:52:47,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-16 23:52:47,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-16 23:52:47,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-16 23:52:47,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-16 23:52:47,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-16 23:52:47,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-16 23:52:47,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-16 23:52:47,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-16 23:52:47,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-16 23:52:47,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-16 23:52:47,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-16 23:52:47,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-16 23:52:47,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-16 23:52:47,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-16 23:52:47,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-16 23:52:47,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-16 23:52:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-16 23:52:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-16 23:52:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-16 23:52:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-16 23:52:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-16 23:52:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-16 23:52:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-16 23:52:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-16 23:52:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-16 23:52:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-16 23:52:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-16 23:52:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-16 23:52:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-16 23:52:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-16 23:52:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-16 23:52:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-16 23:52:47,670 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-16 23:52:47,670 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-16 23:52:47,671 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-16 23:52:47,671 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-16 23:52:47,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:52:47,671 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 23:52:47,674 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:52:47,675 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:52:47,963 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:52:47,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1192 places, 1345 transitions, 2706 flow [2024-11-16 23:52:48,508 INFO L124 PetriNetUnfolderBase]: 200/1577 cut-off events. [2024-11-16 23:52:48,508 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:48,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1589 conditions, 1577 events. 200/1577 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 6880 event pairs, 0 based on Foata normal form. 0/1306 useless extension candidates. Maximal degree in co-relation 1347. Up to 12 conditions per place. [2024-11-16 23:52:48,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 1192 places, 1345 transitions, 2706 flow [2024-11-16 23:52:48,627 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1192 places, 1345 transitions, 2706 flow [2024-11-16 23:52:48,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:48,629 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;@1f8a46c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:48,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-11-16 23:52:48,634 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:48,634 INFO L124 PetriNetUnfolderBase]: 14/80 cut-off events. [2024-11-16 23:52:48,634 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:48,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:48,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:48,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:52:48,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:48,635 INFO L85 PathProgramCache]: Analyzing trace with hash -22136733, now seen corresponding path program 1 times [2024-11-16 23:52:48,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:48,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446409220] [2024-11-16 23:52:48,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:48,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:48,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:48,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446409220] [2024-11-16 23:52:48,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446409220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:48,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:48,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:48,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114761365] [2024-11-16 23:52:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:48,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:48,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:48,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1153 out of 1345 [2024-11-16 23:52:48,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1192 places, 1345 transitions, 2706 flow. Second operand has 2 states, 2 states have (on average 1153.5) internal successors, (2307), 2 states have internal predecessors, (2307), 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) [2024-11-16 23:52:48,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:48,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1153 of 1345 [2024-11-16 23:52:48,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:51,431 INFO L124 PetriNetUnfolderBase]: 391/10454 cut-off events. [2024-11-16 23:52:51,432 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2024-11-16 23:52:51,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10980 conditions, 10454 events. 391/10454 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 109634 event pairs, 208 based on Foata normal form. 5299/15075 useless extension candidates. Maximal degree in co-relation 1438. Up to 449 conditions per place. [2024-11-16 23:52:51,625 INFO L140 encePairwiseOnDemand]: 1183/1345 looper letters, 30 selfloop transitions, 0 changer transitions 0/1175 dead transitions. [2024-11-16 23:52:51,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1155 places, 1175 transitions, 2426 flow [2024-11-16 23:52:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2498 transitions. [2024-11-16 23:52:51,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9286245353159851 [2024-11-16 23:52:51,631 INFO L175 Difference]: Start difference. First operand has 1192 places, 1345 transitions, 2706 flow. Second operand 2 states and 2498 transitions. [2024-11-16 23:52:51,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1155 places, 1175 transitions, 2426 flow [2024-11-16 23:52:51,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1155 places, 1175 transitions, 2426 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:51,649 INFO L231 Difference]: Finished difference. Result has 1155 places, 1175 transitions, 2366 flow [2024-11-16 23:52:51,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1345, PETRI_DIFFERENCE_MINUEND_FLOW=2366, PETRI_DIFFERENCE_MINUEND_PLACES=1154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2366, PETRI_PLACES=1155, PETRI_TRANSITIONS=1175} [2024-11-16 23:52:51,651 INFO L277 CegarLoopForPetriNet]: 1192 programPoint places, -37 predicate places. [2024-11-16 23:52:51,651 INFO L471 AbstractCegarLoop]: Abstraction has has 1155 places, 1175 transitions, 2366 flow [2024-11-16 23:52:51,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1153.5) internal successors, (2307), 2 states have internal predecessors, (2307), 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) [2024-11-16 23:52:51,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:51,653 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:51,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:52:51,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:52:51,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:51,654 INFO L85 PathProgramCache]: Analyzing trace with hash 400153460, now seen corresponding path program 1 times [2024-11-16 23:52:51,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:51,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122964776] [2024-11-16 23:52:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:51,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:52,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:52,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122964776] [2024-11-16 23:52:52,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122964776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:52,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:52,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:52,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319207894] [2024-11-16 23:52:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:52,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:52,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:52,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:52,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1094 out of 1345 [2024-11-16 23:52:52,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1155 places, 1175 transitions, 2366 flow. Second operand has 6 states, 6 states have (on average 1095.5) internal successors, (6573), 6 states have internal predecessors, (6573), 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) [2024-11-16 23:52:52,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:52,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1094 of 1345 [2024-11-16 23:52:52,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand