./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/libvsync/hemlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/hemlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB --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 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:03:19,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:03:19,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:03:19,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:03:19,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:03:19,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:03:19,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:03:19,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:03:19,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:03:19,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:03:19,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:03:19,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:03:19,560 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:03:19,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:03:19,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:03:19,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:03:19,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:03:19,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:03:19,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:03:19,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:03:19,563 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:03:19,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:19,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:19,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:19,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:03:19,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:19,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:19,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:19,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:03:19,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:03:19,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:03:19,565 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 [2024-11-28 05:03:19,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:03:19,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:03:19,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:03:19,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:03:19,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:03:19,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/libvsync/hemlock.i [2024-11-28 05:03:22,948 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/data/43548c0c5/6373128112cc4c9399aa009651d704f7/FLAG7d7c0bb17 [2024-11-28 05:03:23,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:03:23,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/sv-benchmarks/c/libvsync/hemlock.i [2024-11-28 05:03:23,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/data/43548c0c5/6373128112cc4c9399aa009651d704f7/FLAG7d7c0bb17 [2024-11-28 05:03:23,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/data/43548c0c5/6373128112cc4c9399aa009651d704f7 [2024-11-28 05:03:23,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:03:23,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:03:23,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:23,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:03:23,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:03:23,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:23" (1/1) ... [2024-11-28 05:03:23,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa5bfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:23, skipping insertion in model container [2024-11-28 05:03:23,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:23" (1/1) ... [2024-11-28 05:03:23,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:03:26,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:26,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:03:27,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-28 05:03:27,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-28 05:03:27,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-28 05:03:27,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-28 05:03:27,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-28 05:03:27,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-28 05:03:27,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-28 05:03:27,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-28 05:03:27,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-28 05:03:27,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-28 05:03:27,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-28 05:03:27,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-28 05:03:27,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-28 05:03:27,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-28 05:03:27,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-28 05:03:27,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-28 05:03:27,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-28 05:03:27,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-28 05:03:27,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-28 05:03:27,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-28 05:03:27,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-28 05:03:27,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-28 05:03:27,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-28 05:03:27,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-28 05:03:27,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-28 05:03:27,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-28 05:03:27,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-28 05:03:27,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-28 05:03:27,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-28 05:03:27,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-28 05:03:27,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-28 05:03:27,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-28 05:03:27,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-28 05:03:27,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-28 05:03:27,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-28 05:03:27,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-28 05:03:27,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-28 05:03:27,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-28 05:03:27,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-28 05:03:27,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-28 05:03:27,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-28 05:03:27,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-28 05:03:27,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-28 05:03:27,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-28 05:03:27,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-28 05:03:27,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-28 05:03:27,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-28 05:03:27,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-28 05:03:27,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-28 05:03:27,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-28 05:03:27,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-28 05:03:27,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-28 05:03:27,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-28 05:03:27,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-28 05:03:27,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-28 05:03:27,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-28 05:03:27,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-28 05:03:27,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-28 05:03:27,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-28 05:03:27,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-28 05:03:27,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-28 05:03:27,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-28 05:03:27,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-28 05:03:27,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-28 05:03:27,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-28 05:03:27,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-28 05:03:27,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-28 05:03:27,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-28 05:03:27,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-28 05:03:27,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-28 05:03:27,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-28 05:03:27,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-28 05:03:27,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-28 05:03:27,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-28 05:03:27,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-28 05:03:27,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-28 05:03:27,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-28 05:03:27,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-28 05:03:27,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-28 05:03:27,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-28 05:03:27,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-28 05:03:27,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-28 05:03:27,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-28 05:03:27,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-28 05:03:27,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-28 05:03:27,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-28 05:03:27,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-28 05:03:27,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-28 05:03:27,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-28 05:03:27,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-28 05:03:27,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-28 05:03:27,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-28 05:03:27,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-28 05:03:27,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-28 05:03:27,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-28 05:03:27,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-28 05:03:27,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-28 05:03:27,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-28 05:03:27,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-28 05:03:27,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-28 05:03:27,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:27,573 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:03:27,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27 WrapperNode [2024-11-28 05:03:27,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:27,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:27,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:03:27,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:03:27,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,814 INFO L138 Inliner]: procedures = 919, calls = 930, calls flagged for inlining = 826, calls inlined = 97, statements flattened = 1051 [2024-11-28 05:03:27,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:27,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:03:27,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:03:27,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:03:27,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:03:27,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:03:27,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:03:27,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:03:27,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (1/1) ... [2024-11-28 05:03:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:27,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:27,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:03:27,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_552dbce8-2dcd-43f3-9b9c-039e89627e9e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:03:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 05:03:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:03:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-28 05:03:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 05:03:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:03:27,996 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:03:28,233 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:03:28,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:03:30,104 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:03:30,105 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:03:30,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:03:30,486 INFO L312 CfgBuilder]: Removed 70 assume(true) statements. [2024-11-28 05:03:30,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:30 BoogieIcfgContainer [2024-11-28 05:03:30,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:03:30,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:03:30,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:03:30,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:03:30,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:23" (1/3) ... [2024-11-28 05:03:30,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f9e12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:30, skipping insertion in model container [2024-11-28 05:03:30,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:27" (2/3) ... [2024-11-28 05:03:30,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f9e12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:30, skipping insertion in model container [2024-11-28 05:03:30,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:30" (3/3) ... [2024-11-28 05:03:30,501 INFO L128 eAbstractionObserver]: Analyzing ICFG hemlock.i [2024-11-28 05:03:30,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:03:30,520 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hemlock.i that has 2 procedures, 1023 locations, 1 initial locations, 70 loop locations, and 39 error locations. [2024-11-28 05:03:30,521 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:03:30,891 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 05:03:30,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1026 places, 1183 transitions, 2373 flow [2024-11-28 05:03:31,466 INFO L124 PetriNetUnfolderBase]: 176/1263 cut-off events. [2024-11-28 05:03:31,469 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:03:31,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 1263 events. 176/1263 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4824 event pairs, 0 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 1136. Up to 6 conditions per place. [2024-11-28 05:03:31,498 INFO L82 GeneralOperation]: Start removeDead. Operand has 1026 places, 1183 transitions, 2373 flow [2024-11-28 05:03:31,522 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1026 places, 1183 transitions, 2373 flow [2024-11-28 05:03:31,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:03:31,555 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;@18f1d14b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:03:31,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-28 05:03:31,566 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:03:31,566 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2024-11-28 05:03:31,568 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:03:31,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:31,569 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:03:31,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:31,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1136591199, now seen corresponding path program 1 times [2024-11-28 05:03:31,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:31,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461279860] [2024-11-28 05:03:31,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:31,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:31,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461279860] [2024-11-28 05:03:31,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461279860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:31,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:31,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:03:31,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985234075] [2024-11-28 05:03:31,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:31,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:03:31,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:31,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:03:31,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:03:31,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 994 out of 1183 [2024-11-28 05:03:31,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1183 transitions, 2373 flow. Second operand has 2 states, 2 states have (on average 994.5) internal successors, (1989), 2 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:31,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:31,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 994 of 1183 [2024-11-28 05:03:31,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:32,453 INFO L124 PetriNetUnfolderBase]: 27/1076 cut-off events. [2024-11-28 05:03:32,454 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 05:03:32,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 1076 events. 27/1076 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4195 event pairs, 0 based on Foata normal form. 485/1513 useless extension candidates. Maximal degree in co-relation 999. Up to 27 conditions per place. [2024-11-28 05:03:32,466 INFO L140 encePairwiseOnDemand]: 1020/1183 looper letters, 26 selfloop transitions, 0 changer transitions 0/1016 dead transitions. [2024-11-28 05:03:32,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1016 transitions, 2091 flow [2024-11-28 05:03:32,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:03:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 05:03:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2177 transitions. [2024-11-28 05:03:32,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9201183431952663 [2024-11-28 05:03:32,500 INFO L175 Difference]: Start difference. First operand has 1026 places, 1183 transitions, 2373 flow. Second operand 2 states and 2177 transitions. [2024-11-28 05:03:32,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1016 transitions, 2091 flow [2024-11-28 05:03:32,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1016 transitions, 2091 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:03:32,534 INFO L231 Difference]: Finished difference. Result has 993 places, 1016 transitions, 2039 flow [2024-11-28 05:03:32,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2039, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1016, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2039, PETRI_PLACES=993, PETRI_TRANSITIONS=1016} [2024-11-28 05:03:32,542 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -33 predicate places. [2024-11-28 05:03:32,545 INFO L471 AbstractCegarLoop]: Abstraction has has 993 places, 1016 transitions, 2039 flow [2024-11-28 05:03:32,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 994.5) internal successors, (1989), 2 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:32,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:32,547 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] [2024-11-28 05:03:32,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:03:32,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:32,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1516477350, now seen corresponding path program 1 times [2024-11-28 05:03:32,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:32,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672665452] [2024-11-28 05:03:32,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:32,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:34,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:34,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672665452] [2024-11-28 05:03:34,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672665452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:34,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:34,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:03:34,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119481879] [2024-11-28 05:03:34,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:34,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:03:34,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:34,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:03:34,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:03:34,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 975 out of 1183 [2024-11-28 05:03:34,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 993 places, 1016 transitions, 2039 flow. Second operand has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:34,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:34,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 975 of 1183 [2024-11-28 05:03:34,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:37,227 INFO L124 PetriNetUnfolderBase]: 706/8573 cut-off events. [2024-11-28 05:03:37,227 INFO L125 PetriNetUnfolderBase]: For 6/19 co-relation queries the response was YES. [2024-11-28 05:03:37,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9671 conditions, 8573 events. 706/8573 cut-off events. For 6/19 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 94225 event pairs, 216 based on Foata normal form. 4/7891 useless extension candidates. Maximal degree in co-relation 9667. Up to 936 conditions per place. [2024-11-28 05:03:37,269 INFO L140 encePairwiseOnDemand]: 1152/1183 looper letters, 44 selfloop transitions, 102 changer transitions 0/1117 dead transitions. [2024-11-28 05:03:37,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1117 transitions, 2533 flow [2024-11-28 05:03:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:03:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:03:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5997 transitions. [2024-11-28 05:03:37,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8448858833474218 [2024-11-28 05:03:37,282 INFO L175 Difference]: Start difference. First operand has 993 places, 1016 transitions, 2039 flow. Second operand 6 states and 5997 transitions. [2024-11-28 05:03:37,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1117 transitions, 2533 flow [2024-11-28 05:03:37,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1117 transitions, 2533 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:03:37,303 INFO L231 Difference]: Finished difference. Result has 1003 places, 1117 transitions, 2709 flow [2024-11-28 05:03:37,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2039, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2709, PETRI_PLACES=1003, PETRI_TRANSITIONS=1117} [2024-11-28 05:03:37,305 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -23 predicate places. [2024-11-28 05:03:37,305 INFO L471 AbstractCegarLoop]: Abstraction has has 1003 places, 1117 transitions, 2709 flow [2024-11-28 05:03:37,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:37,308 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:37,308 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, 1] [2024-11-28 05:03:37,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:03:37,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:37,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1167427190, now seen corresponding path program 1 times [2024-11-28 05:03:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:37,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657123793] [2024-11-28 05:03:37,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:37,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:37,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657123793] [2024-11-28 05:03:37,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657123793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:37,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:37,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:03:37,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674229338] [2024-11-28 05:03:37,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:37,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:03:37,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:37,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:03:37,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:03:37,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 1183 [2024-11-28 05:03:37,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1003 places, 1117 transitions, 2709 flow. Second operand has 3 states, 3 states have (on average 984.6666666666666) internal successors, (2954), 3 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:37,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:37,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 1183 [2024-11-28 05:03:37,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:39,971 INFO L124 PetriNetUnfolderBase]: 764/12248 cut-off events. [2024-11-28 05:03:39,971 INFO L125 PetriNetUnfolderBase]: For 1060/1368 co-relation queries the response was YES. [2024-11-28 05:03:40,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14166 conditions, 12248 events. 764/12248 cut-off events. For 1060/1368 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 130124 event pairs, 126 based on Foata normal form. 20/11611 useless extension candidates. Maximal degree in co-relation 14157. Up to 571 conditions per place. [2024-11-28 05:03:40,025 INFO L140 encePairwiseOnDemand]: 1174/1183 looper letters, 154 selfloop transitions, 6 changer transitions 0/1145 dead transitions. [2024-11-28 05:03:40,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1145 transitions, 3133 flow [2024-11-28 05:03:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:03:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:03:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-28 05:03:40,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.850662158354466 [2024-11-28 05:03:40,032 INFO L175 Difference]: Start difference. First operand has 1003 places, 1117 transitions, 2709 flow. Second operand 3 states and 3019 transitions. [2024-11-28 05:03:40,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1145 transitions, 3133 flow [2024-11-28 05:03:40,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1145 transitions, 3133 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:03:40,067 INFO L231 Difference]: Finished difference. Result has 1006 places, 1121 transitions, 2755 flow [2024-11-28 05:03:40,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2707, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2755, PETRI_PLACES=1006, PETRI_TRANSITIONS=1121} [2024-11-28 05:03:40,069 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -20 predicate places. [2024-11-28 05:03:40,070 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1121 transitions, 2755 flow [2024-11-28 05:03:40,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 984.6666666666666) internal successors, (2954), 3 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:40,071 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:40,072 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, 1, 1, 1] [2024-11-28 05:03:40,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:03:40,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:40,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash -910952762, now seen corresponding path program 1 times [2024-11-28 05:03:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66371170] [2024-11-28 05:03:40,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:40,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:40,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66371170] [2024-11-28 05:03:40,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66371170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:40,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:40,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:03:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056297418] [2024-11-28 05:03:40,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:40,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:03:40,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:40,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:03:40,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:03:40,177 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1183 [2024-11-28 05:03:40,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1121 transitions, 2755 flow. Second operand has 3 states, 3 states have (on average 987.6666666666666) internal successors, (2963), 3 states have internal predecessors, (2963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:40,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:40,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1183 [2024-11-28 05:03:40,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:42,551 INFO L124 PetriNetUnfolderBase]: 845/15125 cut-off events. [2024-11-28 05:03:42,552 INFO L125 PetriNetUnfolderBase]: For 1202/1712 co-relation queries the response was YES. [2024-11-28 05:03:42,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17405 conditions, 15125 events. 845/15125 cut-off events. For 1202/1712 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 167201 event pairs, 62 based on Foata normal form. 97/14519 useless extension candidates. Maximal degree in co-relation 17394. Up to 653 conditions per place. [2024-11-28 05:03:42,612 INFO L140 encePairwiseOnDemand]: 1177/1183 looper letters, 151 selfloop transitions, 4 changer transitions 0/1147 dead transitions. [2024-11-28 05:03:42,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1147 transitions, 3165 flow [2024-11-28 05:03:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:03:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:03:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3022 transitions. [2024-11-28 05:03:42,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8515074668920822 [2024-11-28 05:03:42,622 INFO L175 Difference]: Start difference. First operand has 1006 places, 1121 transitions, 2755 flow. Second operand 3 states and 3022 transitions. [2024-11-28 05:03:42,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1147 transitions, 3165 flow [2024-11-28 05:03:42,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1147 transitions, 3153 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:03:42,648 INFO L231 Difference]: Finished difference. Result has 1007 places, 1123 transitions, 2771 flow [2024-11-28 05:03:42,650 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2741, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2771, PETRI_PLACES=1007, PETRI_TRANSITIONS=1123} [2024-11-28 05:03:42,653 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -19 predicate places. [2024-11-28 05:03:42,653 INFO L471 AbstractCegarLoop]: Abstraction has has 1007 places, 1123 transitions, 2771 flow [2024-11-28 05:03:42,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 987.6666666666666) internal successors, (2963), 3 states have internal predecessors, (2963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:42,655 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:42,655 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, 1, 1, 1, 1] [2024-11-28 05:03:42,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:03:42,656 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:42,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:42,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1216447127, now seen corresponding path program 1 times [2024-11-28 05:03:42,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:42,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631491658] [2024-11-28 05:03:42,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:42,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:42,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631491658] [2024-11-28 05:03:42,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631491658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:42,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:42,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:03:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789597068] [2024-11-28 05:03:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:42,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:03:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:42,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:03:42,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:03:42,828 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 1183 [2024-11-28 05:03:42,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1123 transitions, 2771 flow. Second operand has 3 states, 3 states have (on average 989.3333333333334) internal successors, (2968), 3 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:42,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:42,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 1183 [2024-11-28 05:03:42,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:45,989 INFO L124 PetriNetUnfolderBase]: 801/16397 cut-off events. [2024-11-28 05:03:45,989 INFO L125 PetriNetUnfolderBase]: For 1221/1881 co-relation queries the response was YES. [2024-11-28 05:03:46,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18700 conditions, 16397 events. 801/16397 cut-off events. For 1221/1881 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 186014 event pairs, 132 based on Foata normal form. 10/15695 useless extension candidates. Maximal degree in co-relation 18688. Up to 788 conditions per place. [2024-11-28 05:03:46,059 INFO L140 encePairwiseOnDemand]: 1180/1183 looper letters, 153 selfloop transitions, 2 changer transitions 0/1150 dead transitions. [2024-11-28 05:03:46,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1009 places, 1150 transitions, 3195 flow [2024-11-28 05:03:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:03:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:03:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-28 05:03:46,067 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8512256973795436 [2024-11-28 05:03:46,067 INFO L175 Difference]: Start difference. First operand has 1007 places, 1123 transitions, 2771 flow. Second operand 3 states and 3021 transitions. [2024-11-28 05:03:46,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1009 places, 1150 transitions, 3195 flow [2024-11-28 05:03:46,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1007 places, 1150 transitions, 3187 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:03:46,094 INFO L231 Difference]: Finished difference. Result has 1008 places, 1123 transitions, 2771 flow [2024-11-28 05:03:46,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1183, PETRI_DIFFERENCE_MINUEND_FLOW=2763, PETRI_DIFFERENCE_MINUEND_PLACES=1005, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2771, PETRI_PLACES=1008, PETRI_TRANSITIONS=1123} [2024-11-28 05:03:46,097 INFO L279 CegarLoopForPetriNet]: 1026 programPoint places, -18 predicate places. [2024-11-28 05:03:46,097 INFO L471 AbstractCegarLoop]: Abstraction has has 1008 places, 1123 transitions, 2771 flow [2024-11-28 05:03:46,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 989.3333333333334) internal successors, (2968), 3 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:46,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:46,100 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, 1, 1, 1, 1] [2024-11-28 05:03:46,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:03:46,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 05:03:46,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1324205522, now seen corresponding path program 1 times [2024-11-28 05:03:46,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:46,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521498370] [2024-11-28 05:03:46,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:46,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:03:46,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:03:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:03:46,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:03:46,201 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:03:46,202 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2024-11-28 05:03:46,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-11-28 05:03:46,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-11-28 05:03:46,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-11-28 05:03:46,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-11-28 05:03:46,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-11-28 05:03:46,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-11-28 05:03:46,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-11-28 05:03:46,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-11-28 05:03:46,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-11-28 05:03:46,211 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-11-28 05:03:46,212 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-11-28 05:03:46,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:03:46,214 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 05:03:46,217 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 05:03:46,217 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 05:03:46,660 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 05:03:46,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1942 places, 2235 transitions, 4486 flow [2024-11-28 05:03:48,696 INFO L124 PetriNetUnfolderBase]: 340/2460 cut-off events. [2024-11-28 05:03:48,696 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 05:03:48,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2472 conditions, 2460 events. 340/2460 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 13410 event pairs, 0 based on Foata normal form. 0/2029 useless extension candidates. Maximal degree in co-relation 2241. Up to 12 conditions per place. [2024-11-28 05:03:48,791 INFO L82 GeneralOperation]: Start removeDead. Operand has 1942 places, 2235 transitions, 4486 flow [2024-11-28 05:03:48,873 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1942 places, 2235 transitions, 4486 flow [2024-11-28 05:03:48,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:03:48,877 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;@18f1d14b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:03:48,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2024-11-28 05:03:48,882 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:03:48,882 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2024-11-28 05:03:48,882 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:03:48,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:48,883 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:03:48,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2024-11-28 05:03:48,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash 811304159, now seen corresponding path program 1 times [2024-11-28 05:03:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:48,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562557605] [2024-11-28 05:03:48,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:48,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562557605] [2024-11-28 05:03:48,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562557605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:48,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:48,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:03:48,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087343472] [2024-11-28 05:03:48,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:48,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:03:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:48,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:03:48,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:03:48,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1879 out of 2235 [2024-11-28 05:03:48,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1942 places, 2235 transitions, 4486 flow. Second operand has 2 states, 2 states have (on average 1879.5) internal successors, (3759), 2 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:48,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:03:48,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1879 of 2235 [2024-11-28 05:03:48,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:03:58,091 INFO L124 PetriNetUnfolderBase]: 1327/28163 cut-off events. [2024-11-28 05:03:58,092 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2024-11-28 05:03:58,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29646 conditions, 28163 events. 1327/28163 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 375993 event pairs, 648 based on Foata normal form. 14936/41711 useless extension candidates. Maximal degree in co-relation 2367. Up to 1351 conditions per place. [2024-11-28 05:03:58,690 INFO L140 encePairwiseOnDemand]: 1931/2235 looper letters, 52 selfloop transitions, 0 changer transitions 0/1927 dead transitions. [2024-11-28 05:03:58,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1879 places, 1927 transitions, 3974 flow [2024-11-28 05:03:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:03:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-28 05:03:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4114 transitions. [2024-11-28 05:03:58,700 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9203579418344519 [2024-11-28 05:03:58,701 INFO L175 Difference]: Start difference. First operand has 1942 places, 2235 transitions, 4486 flow. Second operand 2 states and 4114 transitions. [2024-11-28 05:03:58,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1879 places, 1927 transitions, 3974 flow [2024-11-28 05:03:58,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1879 places, 1927 transitions, 3974 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:03:58,998 INFO L231 Difference]: Finished difference. Result has 1879 places, 1927 transitions, 3870 flow [2024-11-28 05:03:59,001 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=2235, PETRI_DIFFERENCE_MINUEND_FLOW=3870, PETRI_DIFFERENCE_MINUEND_PLACES=1878, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1927, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3870, PETRI_PLACES=1879, PETRI_TRANSITIONS=1927} [2024-11-28 05:03:59,003 INFO L279 CegarLoopForPetriNet]: 1942 programPoint places, -63 predicate places. [2024-11-28 05:03:59,004 INFO L471 AbstractCegarLoop]: Abstraction has has 1879 places, 1927 transitions, 3870 flow [2024-11-28 05:03:59,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1879.5) internal successors, (3759), 2 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:03:59,007 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:03:59,007 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] [2024-11-28 05:03:59,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:03:59,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2024-11-28 05:03:59,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:59,008 INFO L85 PathProgramCache]: Analyzing trace with hash -634636826, now seen corresponding path program 1 times [2024-11-28 05:03:59,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:59,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659273858] [2024-11-28 05:03:59,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:59,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:59,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:59,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659273858] [2024-11-28 05:03:59,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659273858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:59,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:59,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:03:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384824301] [2024-11-28 05:03:59,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:59,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:03:59,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:59,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:03:59,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:04:00,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1860 out of 2235 [2024-11-28 05:04:00,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1879 places, 1927 transitions, 3870 flow. Second operand has 6 states, 6 states have (on average 1861.5) internal successors, (11169), 6 states have internal predecessors, (11169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:04:00,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:04:00,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1860 of 2235 [2024-11-28 05:04:00,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand