./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_spinlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_spinlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:40:01,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:40:01,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:40:01,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:40:01,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:40:01,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:40:01,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:40:01,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:40:01,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:40:01,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:40:01,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:40:01,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:40:01,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:40:01,627 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:40:01,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:01,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:40:01,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:01,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:40:01,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:40:01,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:40:01,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:40:01,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:40:01,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:40:01,631 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 [2025-01-09 21:40:01,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:40:01,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:40:01,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:40:01,915 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:40:01,916 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:40:01,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_spinlock.i [2025-01-09 21:40:03,162 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5232beee6/e25305f1ed43469e9922d7a2883e59d3/FLAG2e1b27bd9 [2025-01-09 21:40:03,643 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:40:03,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rec_spinlock.i [2025-01-09 21:40:03,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5232beee6/e25305f1ed43469e9922d7a2883e59d3/FLAG2e1b27bd9 [2025-01-09 21:40:03,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5232beee6/e25305f1ed43469e9922d7a2883e59d3 [2025-01-09 21:40:03,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:40:03,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:40:03,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:03,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:40:03,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:40:03,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:03" (1/1) ... [2025-01-09 21:40:03,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a3543a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:03, skipping insertion in model container [2025-01-09 21:40:03,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:03" (1/1) ... [2025-01-09 21:40:03,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:40:05,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:05,559 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:40:05,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-01-09 21:40:05,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-01-09 21:40:05,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-01-09 21:40:05,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-01-09 21:40:05,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-01-09 21:40:05,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-01-09 21:40:05,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-01-09 21:40:05,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-01-09 21:40:05,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-01-09 21:40:05,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-01-09 21:40:05,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-01-09 21:40:05,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-01-09 21:40:05,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-01-09 21:40:05,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-01-09 21:40:05,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-01-09 21:40:05,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-01-09 21:40:05,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-01-09 21:40:05,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-01-09 21:40:05,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-01-09 21:40:05,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-01-09 21:40:05,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-01-09 21:40:05,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-01-09 21:40:05,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-01-09 21:40:05,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-01-09 21:40:05,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-01-09 21:40:05,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-01-09 21:40:05,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-01-09 21:40:05,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-01-09 21:40:05,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-01-09 21:40:05,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-01-09 21:40:05,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-01-09 21:40:05,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-01-09 21:40:05,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-01-09 21:40:05,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-01-09 21:40:05,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-01-09 21:40:05,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-01-09 21:40:05,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-01-09 21:40:05,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-01-09 21:40:05,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-01-09 21:40:05,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-01-09 21:40:05,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-01-09 21:40:05,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-01-09 21:40:05,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-01-09 21:40:05,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-01-09 21:40:05,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-01-09 21:40:05,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-01-09 21:40:05,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-01-09 21:40:05,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-01-09 21:40:05,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-01-09 21:40:05,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-01-09 21:40:05,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-01-09 21:40:05,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-01-09 21:40:05,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-01-09 21:40:05,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-01-09 21:40:05,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-01-09 21:40:05,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-01-09 21:40:05,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-01-09 21:40:05,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-01-09 21:40:05,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-01-09 21:40:05,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-01-09 21:40:05,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-01-09 21:40:05,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-01-09 21:40:05,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-01-09 21:40:05,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-01-09 21:40:05,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-01-09 21:40:05,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-01-09 21:40:05,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-01-09 21:40:05,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-01-09 21:40:05,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-01-09 21:40:05,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-01-09 21:40:05,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-01-09 21:40:05,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-01-09 21:40:05,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-01-09 21:40:05,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-01-09 21:40:05,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-01-09 21:40:05,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-01-09 21:40:05,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-01-09 21:40:05,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-01-09 21:40:05,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-01-09 21:40:05,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-01-09 21:40:05,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-01-09 21:40:05,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-01-09 21:40:05,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-01-09 21:40:05,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-01-09 21:40:05,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-01-09 21:40:05,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-01-09 21:40:05,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-01-09 21:40:05,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-01-09 21:40:05,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-01-09 21:40:05,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-01-09 21:40:05,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-01-09 21:40:05,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-01-09 21:40:05,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-01-09 21:40:05,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-01-09 21:40:05,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-01-09 21:40:05,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-01-09 21:40:05,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-01-09 21:40:05,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-01-09 21:40:05,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-01-09 21:40:05,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-01-09 21:40:05,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:06,005 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:40:06,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06 WrapperNode [2025-01-09 21:40:06,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:06,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:06,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:40:06,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:40:06,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,149 INFO L138 Inliner]: procedures = 922, calls = 942, calls flagged for inlining = 832, calls inlined = 52, statements flattened = 601 [2025-01-09 21:40:06,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:06,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:40:06,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:40:06,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:40:06,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:40:06,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:40:06,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:40:06,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:40:06,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (1/1) ... [2025-01-09 21:40:06,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:40:06,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:40:06,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:40:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:40:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-01-09 21:40:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:40:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:40:06,301 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:40:06,460 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:40:06,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:40:07,264 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:40:07,265 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:40:07,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:40:07,412 INFO L312 CfgBuilder]: Removed 38 assume(true) statements. [2025-01-09 21:40:07,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:07 BoogieIcfgContainer [2025-01-09 21:40:07,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:40:07,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:40:07,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:40:07,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:40:07,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:40:03" (1/3) ... [2025-01-09 21:40:07,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8ca703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:07, skipping insertion in model container [2025-01-09 21:40:07,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:06" (2/3) ... [2025-01-09 21:40:07,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8ca703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:07, skipping insertion in model container [2025-01-09 21:40:07,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:07" (3/3) ... [2025-01-09 21:40:07,422 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_spinlock.i [2025-01-09 21:40:07,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:40:07,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_spinlock.i that has 2 procedures, 613 locations, 1 initial locations, 43 loop locations, and 27 error locations. [2025-01-09 21:40:07,434 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:40:07,647 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:40:07,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 616 places, 709 transitions, 1425 flow [2025-01-09 21:40:07,925 INFO L124 PetriNetUnfolderBase]: 110/787 cut-off events. [2025-01-09 21:40:07,927 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:40:07,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 787 events. 110/787 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2771 event pairs, 0 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 666. Up to 6 conditions per place. [2025-01-09 21:40:07,951 INFO L82 GeneralOperation]: Start removeDead. Operand has 616 places, 709 transitions, 1425 flow [2025-01-09 21:40:07,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 616 places, 709 transitions, 1425 flow [2025-01-09 21:40:07,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:07,989 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;@4fd6285e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:07,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-01-09 21:40:07,998 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:07,999 INFO L124 PetriNetUnfolderBase]: 12/66 cut-off events. [2025-01-09 21:40:07,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:07,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:08,000 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:08,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:08,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:08,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1156584184, now seen corresponding path program 1 times [2025-01-09 21:40:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:08,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002453876] [2025-01-09 21:40:08,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:08,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 21:40:08,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 21:40:08,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:08,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:08,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:08,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002453876] [2025-01-09 21:40:08,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002453876] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:08,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:08,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999865821] [2025-01-09 21:40:08,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:08,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:08,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:08,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:08,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:08,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 606 out of 709 [2025-01-09 21:40:08,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 709 transitions, 1425 flow. Second operand has 2 states, 2 states have (on average 606.5) internal successors, (1213), 2 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:08,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:08,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 606 of 709 [2025-01-09 21:40:08,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:08,540 INFO L124 PetriNetUnfolderBase]: 15/669 cut-off events. [2025-01-09 21:40:08,541 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:40:08,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 669 events. 15/669 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2148 event pairs, 0 based on Foata normal form. 200/824 useless extension candidates. Maximal degree in co-relation 581. Up to 12 conditions per place. [2025-01-09 21:40:08,547 INFO L140 encePairwiseOnDemand]: 617/709 looper letters, 11 selfloop transitions, 0 changer transitions 0/609 dead transitions. [2025-01-09 21:40:08,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 609 transitions, 1247 flow [2025-01-09 21:40:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1315 transitions. [2025-01-09 21:40:08,572 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9273624823695346 [2025-01-09 21:40:08,573 INFO L175 Difference]: Start difference. First operand has 616 places, 709 transitions, 1425 flow. Second operand 2 states and 1315 transitions. [2025-01-09 21:40:08,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 609 transitions, 1247 flow [2025-01-09 21:40:08,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 609 transitions, 1247 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:08,598 INFO L231 Difference]: Finished difference. Result has 598 places, 609 transitions, 1225 flow [2025-01-09 21:40:08,603 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1225, PETRI_PLACES=598, PETRI_TRANSITIONS=609} [2025-01-09 21:40:08,606 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -18 predicate places. [2025-01-09 21:40:08,608 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 609 transitions, 1225 flow [2025-01-09 21:40:08,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 606.5) internal successors, (1213), 2 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:08,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:08,610 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:08,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:40:08,610 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:08,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:08,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1747576056, now seen corresponding path program 1 times [2025-01-09 21:40:08,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:08,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696277967] [2025-01-09 21:40:08,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:08,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:08,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 21:40:08,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 21:40:08,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:08,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:09,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696277967] [2025-01-09 21:40:09,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696277967] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:09,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:09,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:09,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422191147] [2025-01-09 21:40:09,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:09,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:09,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:09,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:09,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:10,049 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 709 [2025-01-09 21:40:10,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 609 transitions, 1225 flow. Second operand has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:10,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:10,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 709 [2025-01-09 21:40:10,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:11,503 INFO L124 PetriNetUnfolderBase]: 971/7821 cut-off events. [2025-01-09 21:40:11,503 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:11,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9495 conditions, 7821 events. 971/7821 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 83885 event pairs, 367 based on Foata normal form. 0/7122 useless extension candidates. Maximal degree in co-relation 9491. Up to 1434 conditions per place. [2025-01-09 21:40:11,550 INFO L140 encePairwiseOnDemand]: 665/709 looper letters, 57 selfloop transitions, 154 changer transitions 0/762 dead transitions. [2025-01-09 21:40:11,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 762 transitions, 1953 flow [2025-01-09 21:40:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:40:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:40:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3566 transitions. [2025-01-09 21:40:11,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8382698636577339 [2025-01-09 21:40:11,560 INFO L175 Difference]: Start difference. First operand has 598 places, 609 transitions, 1225 flow. Second operand 6 states and 3566 transitions. [2025-01-09 21:40:11,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 762 transitions, 1953 flow [2025-01-09 21:40:11,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 762 transitions, 1953 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:11,578 INFO L231 Difference]: Finished difference. Result has 608 places, 762 transitions, 2233 flow [2025-01-09 21:40:11,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2233, PETRI_PLACES=608, PETRI_TRANSITIONS=762} [2025-01-09 21:40:11,580 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -8 predicate places. [2025-01-09 21:40:11,580 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 762 transitions, 2233 flow [2025-01-09 21:40:11,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.5) internal successors, (3363), 6 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:11,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:11,582 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:11,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:40:11,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:11,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash -38225595, now seen corresponding path program 1 times [2025-01-09 21:40:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:11,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179775802] [2025-01-09 21:40:11,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:11,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 21:40:11,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 21:40:11,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:11,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:11,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:11,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179775802] [2025-01-09 21:40:11,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179775802] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:11,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:11,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:11,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196064766] [2025-01-09 21:40:11,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:11,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:11,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:11,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:11,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:11,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 596 out of 709 [2025-01-09 21:40:11,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 762 transitions, 2233 flow. Second operand has 3 states, 3 states have (on average 596.6666666666666) internal successors, (1790), 3 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:11,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:11,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 596 of 709 [2025-01-09 21:40:11,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:12,579 INFO L124 PetriNetUnfolderBase]: 537/6584 cut-off events. [2025-01-09 21:40:12,580 INFO L125 PetriNetUnfolderBase]: For 592/949 co-relation queries the response was YES. [2025-01-09 21:40:12,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8329 conditions, 6584 events. 537/6584 cut-off events. For 592/949 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 61209 event pairs, 24 based on Foata normal form. 39/6198 useless extension candidates. Maximal degree in co-relation 8320. Up to 677 conditions per place. [2025-01-09 21:40:12,620 INFO L140 encePairwiseOnDemand]: 700/709 looper letters, 64 selfloop transitions, 6 changer transitions 0/775 dead transitions. [2025-01-09 21:40:12,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 775 transitions, 2417 flow [2025-01-09 21:40:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1825 transitions. [2025-01-09 21:40:12,629 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8580159849553362 [2025-01-09 21:40:12,629 INFO L175 Difference]: Start difference. First operand has 608 places, 762 transitions, 2233 flow. Second operand 3 states and 1825 transitions. [2025-01-09 21:40:12,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 775 transitions, 2417 flow [2025-01-09 21:40:12,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 775 transitions, 2417 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:12,654 INFO L231 Difference]: Finished difference. Result has 611 places, 766 transitions, 2279 flow [2025-01-09 21:40:12,655 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=2231, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=755, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2279, PETRI_PLACES=611, PETRI_TRANSITIONS=766} [2025-01-09 21:40:12,656 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -5 predicate places. [2025-01-09 21:40:12,656 INFO L471 AbstractCegarLoop]: Abstraction has has 611 places, 766 transitions, 2279 flow [2025-01-09 21:40:12,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 596.6666666666666) internal successors, (1790), 3 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:12,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:12,657 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:12,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:40:12,658 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:12,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:12,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1919963969, now seen corresponding path program 1 times [2025-01-09 21:40:12,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:12,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677947739] [2025-01-09 21:40:12,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:12,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:12,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-09 21:40:12,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-09 21:40:12,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:12,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:12,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:12,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677947739] [2025-01-09 21:40:12,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677947739] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:12,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:12,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996973292] [2025-01-09 21:40:12,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:12,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:12,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:12,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:12,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:12,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 709 [2025-01-09 21:40:12,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 766 transitions, 2279 flow. Second operand has 3 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:12,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:12,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 709 [2025-01-09 21:40:12,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:14,023 INFO L124 PetriNetUnfolderBase]: 604/8645 cut-off events. [2025-01-09 21:40:14,023 INFO L125 PetriNetUnfolderBase]: For 669/896 co-relation queries the response was YES. [2025-01-09 21:40:14,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10719 conditions, 8645 events. 604/8645 cut-off events. For 669/896 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 84461 event pairs, 32 based on Foata normal form. 39/8167 useless extension candidates. Maximal degree in co-relation 10708. Up to 821 conditions per place. [2025-01-09 21:40:14,128 INFO L140 encePairwiseOnDemand]: 703/709 looper letters, 61 selfloop transitions, 4 changer transitions 0/777 dead transitions. [2025-01-09 21:40:14,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 777 transitions, 2449 flow [2025-01-09 21:40:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1828 transitions. [2025-01-09 21:40:14,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8594264221908792 [2025-01-09 21:40:14,131 INFO L175 Difference]: Start difference. First operand has 611 places, 766 transitions, 2279 flow. Second operand 3 states and 1828 transitions. [2025-01-09 21:40:14,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 777 transitions, 2449 flow [2025-01-09 21:40:14,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 777 transitions, 2437 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:14,148 INFO L231 Difference]: Finished difference. Result has 612 places, 768 transitions, 2295 flow [2025-01-09 21:40:14,149 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=2265, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=761, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2295, PETRI_PLACES=612, PETRI_TRANSITIONS=768} [2025-01-09 21:40:14,150 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -4 predicate places. [2025-01-09 21:40:14,150 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 768 transitions, 2295 flow [2025-01-09 21:40:14,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:14,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:14,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:14,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:40:14,152 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:14,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1406140613, now seen corresponding path program 1 times [2025-01-09 21:40:14,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:14,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845013550] [2025-01-09 21:40:14,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:14,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 21:40:14,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 21:40:14,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:14,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:14,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845013550] [2025-01-09 21:40:14,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845013550] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:14,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:14,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:40:14,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442816504] [2025-01-09 21:40:14,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:14,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:14,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:14,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:14,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:14,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 709 [2025-01-09 21:40:14,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 768 transitions, 2295 flow. Second operand has 3 states, 3 states have (on average 601.3333333333334) internal successors, (1804), 3 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:14,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:14,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 709 [2025-01-09 21:40:14,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:15,074 INFO L124 PetriNetUnfolderBase]: 622/9292 cut-off events. [2025-01-09 21:40:15,074 INFO L125 PetriNetUnfolderBase]: For 690/1027 co-relation queries the response was YES. [2025-01-09 21:40:15,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11465 conditions, 9292 events. 622/9292 cut-off events. For 690/1027 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 92826 event pairs, 51 based on Foata normal form. 14/8758 useless extension candidates. Maximal degree in co-relation 11453. Up to 865 conditions per place. [2025-01-09 21:40:15,112 INFO L140 encePairwiseOnDemand]: 706/709 looper letters, 62 selfloop transitions, 2 changer transitions 0/779 dead transitions. [2025-01-09 21:40:15,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 779 transitions, 2471 flow [2025-01-09 21:40:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2025-01-09 21:40:15,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8589562764456982 [2025-01-09 21:40:15,116 INFO L175 Difference]: Start difference. First operand has 612 places, 768 transitions, 2295 flow. Second operand 3 states and 1827 transitions. [2025-01-09 21:40:15,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 779 transitions, 2471 flow [2025-01-09 21:40:15,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 779 transitions, 2463 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:15,133 INFO L231 Difference]: Finished difference. Result has 613 places, 768 transitions, 2295 flow [2025-01-09 21:40:15,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=2287, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2295, PETRI_PLACES=613, PETRI_TRANSITIONS=768} [2025-01-09 21:40:15,135 INFO L279 CegarLoopForPetriNet]: 616 programPoint places, -3 predicate places. [2025-01-09 21:40:15,136 INFO L471 AbstractCegarLoop]: Abstraction has has 613 places, 768 transitions, 2295 flow [2025-01-09 21:40:15,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 601.3333333333334) internal successors, (1804), 3 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:15,137 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:15,138 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:15,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:40:15,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-01-09 21:40:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 5059702, now seen corresponding path program 1 times [2025-01-09 21:40:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795348871] [2025-01-09 21:40:15,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:15,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 21:40:15,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 21:40:15,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:15,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:15,181 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 21:40:15,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 21:40:15,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 21:40:15,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:15,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:15,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 21:40:15,235 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 21:40:15,238 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2025-01-09 21:40:15,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2025-01-09 21:40:15,241 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2025-01-09 21:40:15,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2025-01-09 21:40:15,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2025-01-09 21:40:15,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2025-01-09 21:40:15,245 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2025-01-09 21:40:15,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2025-01-09 21:40:15,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:40:15,247 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:40:15,249 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 21:40:15,250 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 21:40:15,430 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:40:15,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1126 places, 1293 transitions, 2602 flow [2025-01-09 21:40:15,797 INFO L124 PetriNetUnfolderBase]: 209/1513 cut-off events. [2025-01-09 21:40:15,797 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:15,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1525 conditions, 1513 events. 209/1513 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7763 event pairs, 0 based on Foata normal form. 0/1237 useless extension candidates. Maximal degree in co-relation 1302. Up to 12 conditions per place. [2025-01-09 21:40:15,844 INFO L82 GeneralOperation]: Start removeDead. Operand has 1126 places, 1293 transitions, 2602 flow [2025-01-09 21:40:15,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1126 places, 1293 transitions, 2602 flow [2025-01-09 21:40:15,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:15,883 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;@4fd6285e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:15,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2025-01-09 21:40:15,887 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:15,887 INFO L124 PetriNetUnfolderBase]: 12/66 cut-off events. [2025-01-09 21:40:15,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:15,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:15,887 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:15,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-01-09 21:40:15,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 337102904, now seen corresponding path program 1 times [2025-01-09 21:40:15,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:15,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900555768] [2025-01-09 21:40:15,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:15,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:15,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 21:40:15,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 21:40:15,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:15,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:15,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:15,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900555768] [2025-01-09 21:40:15,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900555768] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:15,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:15,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:15,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813982323] [2025-01-09 21:40:15,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:15,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:15,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:15,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:15,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:15,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1293 [2025-01-09 21:40:15,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1126 places, 1293 transitions, 2602 flow. Second operand has 2 states, 2 states have (on average 1107.5) internal successors, (2215), 2 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:15,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:15,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1293 [2025-01-09 21:40:15,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:17,600 INFO L124 PetriNetUnfolderBase]: 265/7301 cut-off events. [2025-01-09 21:40:17,600 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2025-01-09 21:40:17,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7599 conditions, 7301 events. 265/7301 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 71751 event pairs, 108 based on Foata normal form. 2756/9504 useless extension candidates. Maximal degree in co-relation 1231. Up to 241 conditions per place. [2025-01-09 21:40:17,684 INFO L140 encePairwiseOnDemand]: 1129/1293 looper letters, 22 selfloop transitions, 0 changer transitions 0/1117 dead transitions. [2025-01-09 21:40:17,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1093 places, 1117 transitions, 2294 flow [2025-01-09 21:40:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2400 transitions. [2025-01-09 21:40:17,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9280742459396751 [2025-01-09 21:40:17,689 INFO L175 Difference]: Start difference. First operand has 1126 places, 1293 transitions, 2602 flow. Second operand 2 states and 2400 transitions. [2025-01-09 21:40:17,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1093 places, 1117 transitions, 2294 flow [2025-01-09 21:40:17,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1117 transitions, 2294 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:17,705 INFO L231 Difference]: Finished difference. Result has 1093 places, 1117 transitions, 2250 flow [2025-01-09 21:40:17,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1293, PETRI_DIFFERENCE_MINUEND_FLOW=2250, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2250, PETRI_PLACES=1093, PETRI_TRANSITIONS=1117} [2025-01-09 21:40:17,708 INFO L279 CegarLoopForPetriNet]: 1126 programPoint places, -33 predicate places. [2025-01-09 21:40:17,708 INFO L471 AbstractCegarLoop]: Abstraction has has 1093 places, 1117 transitions, 2250 flow [2025-01-09 21:40:17,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1107.5) internal successors, (2215), 2 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:17,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:17,710 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:17,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:40:17,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-01-09 21:40:17,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1213486456, now seen corresponding path program 1 times [2025-01-09 21:40:17,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:17,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860728120] [2025-01-09 21:40:17,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:17,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 21:40:17,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 21:40:17,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:17,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:18,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:18,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860728120] [2025-01-09 21:40:18,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860728120] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:18,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:18,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:18,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131117574] [2025-01-09 21:40:18,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:18,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:18,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:18,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:18,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:18,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1032 out of 1293 [2025-01-09 21:40:18,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1093 places, 1117 transitions, 2250 flow. Second operand has 6 states, 6 states have (on average 1033.5) internal successors, (6201), 6 states have internal predecessors, (6201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:18,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:18,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1032 of 1293 [2025-01-09 21:40:18,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:57,328 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([4062] L3779-9-->L3779-16: Formula: (let ((.cse2 (+ |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9| 1)) (.cse1 (+ |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9| 2)) (.cse0 (select |v_#race_545| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9|)) (.cse3 (+ |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9| 3))) (and (= (select .cse0 .cse1) 0) (= (select .cse0 .cse2) 0) (= |v_#race_545| (store |v_#race_546| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9| (store (store (store (store (select |v_#race_546| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9| 0) .cse2 0) .cse1 0) .cse3 0))) (= (select .cse0 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9|) 0) (= (select .cse0 .cse3) 0) (= (select (select |v_#memory_int_212| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9|) |v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5|))) InVars {#race=|v_#race_546|, #memory_int=|v_#memory_int_212|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9|} OutVars{#race=|v_#race_545|, #memory_int=|v_#memory_int_212|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_9|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_9|, runThread1of2ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5|} AuxVars[] AssignedVars[#race, runThread1of2ForFork0_vatomic32_read_#t~mem432#1][231], [1127#true, 1125#true, 1045#L6005-10true, 107#L3779-16true, 166#L5409-100true, 1131#true, 1129#true]) [2025-01-09 21:40:57,329 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2025-01-09 21:40:57,329 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2025-01-09 21:40:57,329 INFO L297 olderBase$Statistics]: existing Event has 232 ancestors and is cut-off event [2025-01-09 21:40:57,329 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event