./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hclhlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:52:21,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:52:21,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:52:21,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:52:21,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:52:21,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:52:21,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:52:21,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:52:21,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:52:21,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:52:21,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:52:21,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:52:21,861 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:52:21,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:52:21,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:52:21,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:52:21,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:52:21,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:52:21,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:52:21,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:52:21,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:52:21,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:52:21,866 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:52:21,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:52:21,867 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:52:21,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:52:21,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:52:21,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:52:21,868 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:52:21,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:52:21,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:52:21,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:21,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:52:21,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:52:21,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:52:21,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:52:21,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:52:21,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:52:21,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:52:21,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:52:21,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:52:21,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-16 23:52:22,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:52:22,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:52:22,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:52:22,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:52:22,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:52:22,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2024-11-16 23:52:23,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:52:24,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:52:24,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-16 23:52:24,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/068f3414a/a3ae873ce8a74721ad2ba59ca0132d0e/FLAGd416e4833 [2024-11-16 23:52:24,068 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/068f3414a/a3ae873ce8a74721ad2ba59ca0132d0e [2024-11-16 23:52:24,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:52:24,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:52:24,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:24,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:52:24,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:52:24,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:24" (1/1) ... [2024-11-16 23:52:24,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:24, skipping insertion in model container [2024-11-16 23:52:24,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:24" (1/1) ... [2024-11-16 23:52:24,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:52:26,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:26,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:52:26,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-16 23:52:26,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-16 23:52:26,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-16 23:52:26,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-16 23:52:26,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-16 23:52:26,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-16 23:52:26,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-16 23:52:26,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-16 23:52:26,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-16 23:52:26,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-16 23:52:26,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-16 23:52:26,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-16 23:52:26,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-16 23:52:26,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-16 23:52:26,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-16 23:52:26,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-16 23:52:26,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-16 23:52:26,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-16 23:52:26,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-16 23:52:26,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-16 23:52:26,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-16 23:52:26,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-16 23:52:26,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-16 23:52:26,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-16 23:52:26,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-16 23:52:26,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-16 23:52:26,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-16 23:52:26,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-16 23:52:26,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-16 23:52:26,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-16 23:52:26,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-16 23:52:26,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-16 23:52:26,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-16 23:52:26,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-16 23:52:26,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-16 23:52:26,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-16 23:52:26,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-16 23:52:26,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-16 23:52:26,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-16 23:52:26,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-16 23:52:26,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-16 23:52:26,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-16 23:52:26,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-16 23:52:26,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-16 23:52:26,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-16 23:52:26,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-16 23:52:26,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-16 23:52:26,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-16 23:52:26,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-16 23:52:26,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-16 23:52:26,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-16 23:52:26,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-16 23:52:26,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-16 23:52:26,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-16 23:52:26,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-16 23:52:26,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-16 23:52:26,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-16 23:52:26,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-16 23:52:26,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-16 23:52:26,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-16 23:52:26,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-16 23:52:26,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-16 23:52:26,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-16 23:52:26,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-16 23:52:26,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-16 23:52:26,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-16 23:52:26,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-16 23:52:26,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-16 23:52:26,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-16 23:52:26,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-16 23:52:26,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-16 23:52:26,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-16 23:52:26,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-16 23:52:26,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-16 23:52:26,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-16 23:52:26,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-16 23:52:26,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-16 23:52:26,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-16 23:52:26,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-16 23:52:26,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-16 23:52:26,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-16 23:52:26,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-16 23:52:26,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-16 23:52:26,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-16 23:52:26,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-16 23:52:26,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-16 23:52:26,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-16 23:52:26,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-16 23:52:26,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-16 23:52:26,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-16 23:52:26,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-16 23:52:26,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-16 23:52:26,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-16 23:52:26,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-16 23:52:26,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-16 23:52:26,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-16 23:52:26,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-16 23:52:26,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-16 23:52:26,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-16 23:52:26,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-16 23:52:27,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:27,345 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:52:27,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27 WrapperNode [2024-11-16 23:52:27,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:27,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:27,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:52:27,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:52:27,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,542 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 1098 [2024-11-16 23:52:27,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:27,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:52:27,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:52:27,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:52:27,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:52:27,659 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:52:27,659 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:52:27,659 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:52:27,660 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (1/1) ... [2024-11-16 23:52:27,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:27,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:52:27,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:52:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:52:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-16 23:52:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:52:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:52:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:52:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:52:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:52:27,757 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:52:27,983 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:52:27,987 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:52:28,521 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-16 23:52:28,521 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-16 23:52:29,290 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:29,291 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:29,291 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:29,291 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-27: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:29,291 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-16 23:52:29,291 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-9: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-16 23:52:29,292 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-16 23:52:29,292 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290-9: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-16 23:52:29,292 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2024-11-16 23:52:29,292 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-16 23:52:29,294 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:52:29,294 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:52:29,545 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:52:29,545 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:52:29,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:29 BoogieIcfgContainer [2024-11-16 23:52:29,546 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:52:29,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:52:29,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:52:29,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:52:29,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:24" (1/3) ... [2024-11-16 23:52:29,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d92e8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:29, skipping insertion in model container [2024-11-16 23:52:29,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:27" (2/3) ... [2024-11-16 23:52:29,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d92e8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:29, skipping insertion in model container [2024-11-16 23:52:29,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:29" (3/3) ... [2024-11-16 23:52:29,553 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-16 23:52:29,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:52:29,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-16 23:52:29,569 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:52:29,847 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:52:29,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1114 places, 1288 transitions, 2583 flow [2024-11-16 23:52:30,349 INFO L124 PetriNetUnfolderBase]: 193/1371 cut-off events. [2024-11-16 23:52:30,350 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:52:30,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 1371 events. 193/1371 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4809 event pairs, 0 based on Foata normal form. 0/1128 useless extension candidates. Maximal degree in co-relation 1038. Up to 6 conditions per place. [2024-11-16 23:52:30,381 INFO L82 GeneralOperation]: Start removeDead. Operand has 1114 places, 1288 transitions, 2583 flow [2024-11-16 23:52:30,408 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1114 places, 1288 transitions, 2583 flow [2024-11-16 23:52:30,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:30,431 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;@4445125c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:30,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-16 23:52:30,437 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:30,438 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-16 23:52:30,438 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:30,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:30,438 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:30,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:30,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:30,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2050191158, now seen corresponding path program 1 times [2024-11-16 23:52:30,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577553293] [2024-11-16 23:52:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:30,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:31,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:31,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577553293] [2024-11-16 23:52:31,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577553293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:31,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:31,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:52:31,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25527476] [2024-11-16 23:52:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:31,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:31,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:31,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:31,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:31,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1094 out of 1288 [2024-11-16 23:52:31,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1114 places, 1288 transitions, 2583 flow. Second operand has 2 states, 2 states have (on average 1094.5) internal successors, (2189), 2 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:31,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:31,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1094 of 1288 [2024-11-16 23:52:31,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:31,719 INFO L124 PetriNetUnfolderBase]: 33/1149 cut-off events. [2024-11-16 23:52:31,719 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:52:31,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 1149 events. 33/1149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 3006 event pairs, 0 based on Foata normal form. 384/1452 useless extension candidates. Maximal degree in co-relation 895. Up to 30 conditions per place. [2024-11-16 23:52:31,728 INFO L140 encePairwiseOnDemand]: 1123/1288 looper letters, 29 selfloop transitions, 0 changer transitions 12/1086 dead transitions. [2024-11-16 23:52:31,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1086 transitions, 2237 flow [2024-11-16 23:52:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:31,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2382 transitions. [2024-11-16 23:52:31,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9246894409937888 [2024-11-16 23:52:31,756 INFO L175 Difference]: Start difference. First operand has 1114 places, 1288 transitions, 2583 flow. Second operand 2 states and 2382 transitions. [2024-11-16 23:52:31,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1086 transitions, 2237 flow [2024-11-16 23:52:31,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1057 places, 1086 transitions, 2237 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:31,788 INFO L231 Difference]: Finished difference. Result has 1057 places, 1074 transitions, 2155 flow [2024-11-16 23:52:31,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2179, PETRI_DIFFERENCE_MINUEND_PLACES=1056, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1086, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1086, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2155, PETRI_PLACES=1057, PETRI_TRANSITIONS=1074} [2024-11-16 23:52:31,795 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -57 predicate places. [2024-11-16 23:52:31,796 INFO L471 AbstractCegarLoop]: Abstraction has has 1057 places, 1074 transitions, 2155 flow [2024-11-16 23:52:31,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1094.5) internal successors, (2189), 2 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:31,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:31,801 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:31,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:52:31,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:31,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:31,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1843099911, now seen corresponding path program 1 times [2024-11-16 23:52:31,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:31,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141399637] [2024-11-16 23:52:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:31,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:32,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:32,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141399637] [2024-11-16 23:52:32,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141399637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:32,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:32,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:52:32,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924024397] [2024-11-16 23:52:32,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:32,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:32,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:32,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:32,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:32,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1088 out of 1288 [2024-11-16 23:52:32,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1057 places, 1074 transitions, 2155 flow. Second operand has 3 states, 3 states have (on average 1090.3333333333333) internal successors, (3271), 3 states have internal predecessors, (3271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:32,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:32,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1088 of 1288 [2024-11-16 23:52:32,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:32,414 INFO L124 PetriNetUnfolderBase]: 33/1156 cut-off events. [2024-11-16 23:52:32,414 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:52:32,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 1156 events. 33/1156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2928 event pairs, 0 based on Foata normal form. 1/1081 useless extension candidates. Maximal degree in co-relation 1196. Up to 33 conditions per place. [2024-11-16 23:52:32,429 INFO L140 encePairwiseOnDemand]: 1285/1288 looper letters, 35 selfloop transitions, 2 changer transitions 0/1076 dead transitions. [2024-11-16 23:52:32,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1047 places, 1076 transitions, 2233 flow [2024-11-16 23:52:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3302 transitions. [2024-11-16 23:52:32,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8545548654244306 [2024-11-16 23:52:32,437 INFO L175 Difference]: Start difference. First operand has 1057 places, 1074 transitions, 2155 flow. Second operand 3 states and 3302 transitions. [2024-11-16 23:52:32,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1047 places, 1076 transitions, 2233 flow [2024-11-16 23:52:32,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1047 places, 1076 transitions, 2233 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:32,462 INFO L231 Difference]: Finished difference. Result has 1048 places, 1075 transitions, 2167 flow [2024-11-16 23:52:32,464 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2155, PETRI_DIFFERENCE_MINUEND_PLACES=1045, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1072, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2167, PETRI_PLACES=1048, PETRI_TRANSITIONS=1075} [2024-11-16 23:52:32,465 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -66 predicate places. [2024-11-16 23:52:32,465 INFO L471 AbstractCegarLoop]: Abstraction has has 1048 places, 1075 transitions, 2167 flow [2024-11-16 23:52:32,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1090.3333333333333) internal successors, (3271), 3 states have internal predecessors, (3271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:32,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:32,468 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:32,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:52:32,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:32,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1656820241, now seen corresponding path program 1 times [2024-11-16 23:52:32,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877112675] [2024-11-16 23:52:32,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:32,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:32,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:32,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877112675] [2024-11-16 23:52:32,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877112675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:32,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511964317] [2024-11-16 23:52:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:32,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:32,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:32,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:32,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:52:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:32,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 23:52:32,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:32,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:52:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511964317] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 23:52:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-16 23:52:32,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598336961] [2024-11-16 23:52:32,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:32,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:32,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:32,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:32,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:52:33,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-16 23:52:33,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1048 places, 1075 transitions, 2167 flow. Second operand has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:33,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:33,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-16 23:52:33,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:33,344 INFO L124 PetriNetUnfolderBase]: 33/1158 cut-off events. [2024-11-16 23:52:33,347 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:52:33,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 1158 events. 33/1158 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2479 event pairs, 0 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 1204. Up to 33 conditions per place. [2024-11-16 23:52:33,363 INFO L140 encePairwiseOnDemand]: 1284/1288 looper letters, 34 selfloop transitions, 3 changer transitions 0/1076 dead transitions. [2024-11-16 23:52:33,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1050 places, 1076 transitions, 2243 flow [2024-11-16 23:52:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3299 transitions. [2024-11-16 23:52:33,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8537784679089027 [2024-11-16 23:52:33,371 INFO L175 Difference]: Start difference. First operand has 1048 places, 1075 transitions, 2167 flow. Second operand 3 states and 3299 transitions. [2024-11-16 23:52:33,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1050 places, 1076 transitions, 2243 flow [2024-11-16 23:52:33,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1049 places, 1076 transitions, 2241 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:52:33,391 INFO L231 Difference]: Finished difference. Result has 1051 places, 1076 transitions, 2183 flow [2024-11-16 23:52:33,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1072, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2183, PETRI_PLACES=1051, PETRI_TRANSITIONS=1076} [2024-11-16 23:52:33,394 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -63 predicate places. [2024-11-16 23:52:33,394 INFO L471 AbstractCegarLoop]: Abstraction has has 1051 places, 1076 transitions, 2183 flow [2024-11-16 23:52:33,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:33,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:33,397 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:33,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:52:33,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:33,599 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:33,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2007641307, now seen corresponding path program 1 times [2024-11-16 23:52:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:33,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321640143] [2024-11-16 23:52:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:33,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:33,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321640143] [2024-11-16 23:52:33,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321640143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922700704] [2024-11-16 23:52:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:33,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:33,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:52:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:34,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-16 23:52:34,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:34,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-16 23:52:34,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-16 23:52:34,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:34,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-16 23:52:34,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:34,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-16 23:52:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:34,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:52:34,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922700704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:34,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:52:34,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-16 23:52:34,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384465581] [2024-11-16 23:52:34,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:34,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:34,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:34,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:34,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 23:52:34,710 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1288 [2024-11-16 23:52:34,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1051 places, 1076 transitions, 2183 flow. Second operand has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:34,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:34,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1288 [2024-11-16 23:52:34,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:36,526 INFO L124 PetriNetUnfolderBase]: 690/7944 cut-off events. [2024-11-16 23:52:36,526 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-16 23:52:36,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9000 conditions, 7944 events. 690/7944 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 68343 event pairs, 432 based on Foata normal form. 0/7434 useless extension candidates. Maximal degree in co-relation 8993. Up to 1029 conditions per place. [2024-11-16 23:52:36,571 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 82 selfloop transitions, 5 changer transitions 0/1075 dead transitions. [2024-11-16 23:52:36,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1055 places, 1075 transitions, 2355 flow [2024-11-16 23:52:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6298 transitions. [2024-11-16 23:52:36,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8149585921325052 [2024-11-16 23:52:36,587 INFO L175 Difference]: Start difference. First operand has 1051 places, 1076 transitions, 2183 flow. Second operand 6 states and 6298 transitions. [2024-11-16 23:52:36,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1055 places, 1075 transitions, 2355 flow [2024-11-16 23:52:36,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1053 places, 1075 transitions, 2349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:36,609 INFO L231 Difference]: Finished difference. Result has 1053 places, 1075 transitions, 2185 flow [2024-11-16 23:52:36,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2175, PETRI_DIFFERENCE_MINUEND_PLACES=1048, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1070, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2185, PETRI_PLACES=1053, PETRI_TRANSITIONS=1075} [2024-11-16 23:52:36,612 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -61 predicate places. [2024-11-16 23:52:36,613 INFO L471 AbstractCegarLoop]: Abstraction has has 1053 places, 1075 transitions, 2185 flow [2024-11-16 23:52:36,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:36,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:36,617 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:36,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:52:36,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-16 23:52:36,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:36,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:36,819 INFO L85 PathProgramCache]: Analyzing trace with hash -424012093, now seen corresponding path program 1 times [2024-11-16 23:52:36,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:36,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320274893] [2024-11-16 23:52:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:37,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:37,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320274893] [2024-11-16 23:52:37,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320274893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:37,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831402174] [2024-11-16 23:52:37,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:37,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:37,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:37,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:37,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:52:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:37,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 23:52:37,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:37,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-16 23:52:37,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-16 23:52:37,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:37,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-16 23:52:37,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:37,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-16 23:52:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:37,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:52:37,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831402174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:37,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:52:37,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-16 23:52:37,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196575153] [2024-11-16 23:52:37,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:37,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:37,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:37,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:37,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 23:52:37,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1288 [2024-11-16 23:52:37,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1053 places, 1075 transitions, 2185 flow. Second operand has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:37,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:37,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1288 [2024-11-16 23:52:37,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:39,756 INFO L124 PetriNetUnfolderBase]: 690/7943 cut-off events. [2024-11-16 23:52:39,757 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:52:39,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9001 conditions, 7943 events. 690/7943 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 68423 event pairs, 432 based on Foata normal form. 0/7433 useless extension candidates. Maximal degree in co-relation 8994. Up to 1029 conditions per place. [2024-11-16 23:52:39,796 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 82 selfloop transitions, 5 changer transitions 0/1074 dead transitions. [2024-11-16 23:52:39,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1074 transitions, 2357 flow [2024-11-16 23:52:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6298 transitions. [2024-11-16 23:52:39,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8149585921325052 [2024-11-16 23:52:39,810 INFO L175 Difference]: Start difference. First operand has 1053 places, 1075 transitions, 2185 flow. Second operand 6 states and 6298 transitions. [2024-11-16 23:52:39,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1074 transitions, 2357 flow [2024-11-16 23:52:39,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1052 places, 1074 transitions, 2347 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:52:39,832 INFO L231 Difference]: Finished difference. Result has 1052 places, 1074 transitions, 2183 flow [2024-11-16 23:52:39,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2173, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1069, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2183, PETRI_PLACES=1052, PETRI_TRANSITIONS=1074} [2024-11-16 23:52:39,834 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -62 predicate places. [2024-11-16 23:52:39,834 INFO L471 AbstractCegarLoop]: Abstraction has has 1052 places, 1074 transitions, 2183 flow [2024-11-16 23:52:39,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:39,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:39,841 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:39,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 23:52:40,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:40,043 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:40,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1320372034, now seen corresponding path program 1 times [2024-11-16 23:52:40,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:40,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774072758] [2024-11-16 23:52:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:40,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:40,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774072758] [2024-11-16 23:52:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774072758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:40,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780503113] [2024-11-16 23:52:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:40,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:40,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:52:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:40,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-16 23:52:40,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:41,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-16 23:52:41,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-16 23:52:41,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:41,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-16 23:52:41,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:52:41,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-16 23:52:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:41,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:52:42,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2024-11-16 23:52:42,060 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2024-11-16 23:52:42,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 1 [2024-11-16 23:52:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:52:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780503113] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:42,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 23:52:42,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 19] total 27 [2024-11-16 23:52:42,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332702945] [2024-11-16 23:52:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:42,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:42,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:42,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:42,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-16 23:52:42,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1027 out of 1288 [2024-11-16 23:52:42,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1052 places, 1074 transitions, 2183 flow. Second operand has 6 states, 6 states have (on average 1030.5) internal successors, (6183), 6 states have internal predecessors, (6183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:42,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:42,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1027 of 1288 [2024-11-16 23:52:42,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:45,990 INFO L124 PetriNetUnfolderBase]: 1634/15595 cut-off events. [2024-11-16 23:52:45,990 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:52:46,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18192 conditions, 15595 events. 1634/15595 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 160780 event pairs, 538 based on Foata normal form. 0/14517 useless extension candidates. Maximal degree in co-relation 18185. Up to 2160 conditions per place. [2024-11-16 23:52:46,056 INFO L140 encePairwiseOnDemand]: 1227/1288 looper letters, 123 selfloop transitions, 222 changer transitions 0/1323 dead transitions. [2024-11-16 23:52:46,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1323 transitions, 3371 flow [2024-11-16 23:52:46,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6508 transitions. [2024-11-16 23:52:46,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421325051759835 [2024-11-16 23:52:46,072 INFO L175 Difference]: Start difference. First operand has 1052 places, 1074 transitions, 2183 flow. Second operand 6 states and 6508 transitions. [2024-11-16 23:52:46,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1323 transitions, 3371 flow [2024-11-16 23:52:46,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1052 places, 1323 transitions, 3361 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:52:46,098 INFO L231 Difference]: Finished difference. Result has 1057 places, 1295 transitions, 3623 flow [2024-11-16 23:52:46,100 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2173, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3623, PETRI_PLACES=1057, PETRI_TRANSITIONS=1295} [2024-11-16 23:52:46,101 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -57 predicate places. [2024-11-16 23:52:46,101 INFO L471 AbstractCegarLoop]: Abstraction has has 1057 places, 1295 transitions, 3623 flow [2024-11-16 23:52:46,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1030.5) internal successors, (6183), 6 states have internal predecessors, (6183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:46,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:46,105 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:46,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 23:52:46,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:46,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:46,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1181542941, now seen corresponding path program 1 times [2024-11-16 23:52:46,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149142268] [2024-11-16 23:52:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:52:46,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:46,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149142268] [2024-11-16 23:52:46,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149142268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:46,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:46,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:46,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377822762] [2024-11-16 23:52:46,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:46,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:46,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:46,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:46,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 1288 [2024-11-16 23:52:46,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1057 places, 1295 transitions, 3623 flow. Second operand has 3 states, 3 states have (on average 1086.0) internal successors, (3258), 3 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:46,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:46,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 1288 [2024-11-16 23:52:46,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:48,677 INFO L124 PetriNetUnfolderBase]: 968/11050 cut-off events. [2024-11-16 23:52:48,677 INFO L125 PetriNetUnfolderBase]: For 776/1015 co-relation queries the response was YES. [2024-11-16 23:52:48,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13809 conditions, 11050 events. 968/11050 cut-off events. For 776/1015 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 92047 event pairs, 55 based on Foata normal form. 34/10256 useless extension candidates. Maximal degree in co-relation 13798. Up to 1000 conditions per place. [2024-11-16 23:52:48,725 INFO L140 encePairwiseOnDemand]: 1279/1288 looper letters, 114 selfloop transitions, 6 changer transitions 0/1320 dead transitions. [2024-11-16 23:52:48,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1058 places, 1320 transitions, 3941 flow [2024-11-16 23:52:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3319 transitions. [2024-11-16 23:52:48,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589544513457557 [2024-11-16 23:52:48,733 INFO L175 Difference]: Start difference. First operand has 1057 places, 1295 transitions, 3623 flow. Second operand 3 states and 3319 transitions. [2024-11-16 23:52:48,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1058 places, 1320 transitions, 3941 flow [2024-11-16 23:52:48,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1058 places, 1320 transitions, 3941 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:48,767 INFO L231 Difference]: Finished difference. Result has 1060 places, 1299 transitions, 3669 flow [2024-11-16 23:52:48,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3621, PETRI_DIFFERENCE_MINUEND_PLACES=1056, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3669, PETRI_PLACES=1060, PETRI_TRANSITIONS=1299} [2024-11-16 23:52:48,771 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -54 predicate places. [2024-11-16 23:52:48,771 INFO L471 AbstractCegarLoop]: Abstraction has has 1060 places, 1299 transitions, 3669 flow [2024-11-16 23:52:48,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1086.0) internal successors, (3258), 3 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:48,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:48,774 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:48,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:52:48,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:48,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:48,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1591312920, now seen corresponding path program 1 times [2024-11-16 23:52:48,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:48,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552209612] [2024-11-16 23:52:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:48,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:52:48,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:48,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552209612] [2024-11-16 23:52:48,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552209612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:48,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:48,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:48,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077957814] [2024-11-16 23:52:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:48,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:48,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:48,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-16 23:52:48,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1060 places, 1299 transitions, 3669 flow. Second operand has 3 states, 3 states have (on average 1089.0) internal successors, (3267), 3 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:48,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:48,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-16 23:52:48,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:52,008 INFO L124 PetriNetUnfolderBase]: 1095/14464 cut-off events. [2024-11-16 23:52:52,008 INFO L125 PetriNetUnfolderBase]: For 892/1073 co-relation queries the response was YES. [2024-11-16 23:52:52,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17721 conditions, 14464 events. 1095/14464 cut-off events. For 892/1073 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 127259 event pairs, 57 based on Foata normal form. 30/13465 useless extension candidates. Maximal degree in co-relation 17708. Up to 1220 conditions per place. [2024-11-16 23:52:52,085 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 111 selfloop transitions, 4 changer transitions 0/1322 dead transitions. [2024-11-16 23:52:52,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1061 places, 1322 transitions, 3973 flow [2024-11-16 23:52:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3322 transitions. [2024-11-16 23:52:52,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597308488612836 [2024-11-16 23:52:52,092 INFO L175 Difference]: Start difference. First operand has 1060 places, 1299 transitions, 3669 flow. Second operand 3 states and 3322 transitions. [2024-11-16 23:52:52,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1061 places, 1322 transitions, 3973 flow [2024-11-16 23:52:52,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1059 places, 1322 transitions, 3961 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:52,122 INFO L231 Difference]: Finished difference. Result has 1061 places, 1301 transitions, 3685 flow [2024-11-16 23:52:52,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3655, PETRI_DIFFERENCE_MINUEND_PLACES=1057, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3685, PETRI_PLACES=1061, PETRI_TRANSITIONS=1301} [2024-11-16 23:52:52,125 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -53 predicate places. [2024-11-16 23:52:52,125 INFO L471 AbstractCegarLoop]: Abstraction has has 1061 places, 1301 transitions, 3685 flow [2024-11-16 23:52:52,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.0) internal successors, (3267), 3 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:52,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:52,128 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:52,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:52:52,128 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:52,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:52,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1152314035, now seen corresponding path program 1 times [2024-11-16 23:52:52,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:52,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909436220] [2024-11-16 23:52:52,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:52,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:52,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909436220] [2024-11-16 23:52:52,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909436220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210666992] [2024-11-16 23:52:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:52,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:52,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:52,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:52:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:52,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 23:52:52,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:52:52,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:52:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 23:52:52,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210666992] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:52,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 23:52:52,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-16 23:52:52,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894352431] [2024-11-16 23:52:52,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:52,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:52,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:52,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:52:52,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-16 23:52:52,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1061 places, 1301 transitions, 3685 flow. Second operand has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:52,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:52,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-16 23:52:52,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:55,893 INFO L124 PetriNetUnfolderBase]: 1150/15395 cut-off events. [2024-11-16 23:52:55,893 INFO L125 PetriNetUnfolderBase]: For 1023/1428 co-relation queries the response was YES. [2024-11-16 23:52:55,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18929 conditions, 15395 events. 1150/15395 cut-off events. For 1023/1428 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 138935 event pairs, 73 based on Foata normal form. 46/14328 useless extension candidates. Maximal degree in co-relation 18915. Up to 1300 conditions per place. [2024-11-16 23:52:55,951 INFO L140 encePairwiseOnDemand]: 1284/1288 looper letters, 111 selfloop transitions, 3 changer transitions 0/1323 dead transitions. [2024-11-16 23:52:55,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1063 places, 1323 transitions, 3985 flow [2024-11-16 23:52:55,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3320 transitions. [2024-11-16 23:52:55,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8592132505175983 [2024-11-16 23:52:55,958 INFO L175 Difference]: Start difference. First operand has 1061 places, 1301 transitions, 3685 flow. Second operand 3 states and 3320 transitions. [2024-11-16 23:52:55,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1063 places, 1323 transitions, 3985 flow [2024-11-16 23:52:55,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1061 places, 1323 transitions, 3977 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:55,986 INFO L231 Difference]: Finished difference. Result has 1063 places, 1302 transitions, 3695 flow [2024-11-16 23:52:55,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3677, PETRI_DIFFERENCE_MINUEND_PLACES=1059, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3695, PETRI_PLACES=1063, PETRI_TRANSITIONS=1302} [2024-11-16 23:52:55,988 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -51 predicate places. [2024-11-16 23:52:55,988 INFO L471 AbstractCegarLoop]: Abstraction has has 1063 places, 1302 transitions, 3695 flow [2024-11-16 23:52:55,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:55,990 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:55,991 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:56,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 23:52:56,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:56,194 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:52:56,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:56,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1491534551, now seen corresponding path program 1 times [2024-11-16 23:52:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:56,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559510698] [2024-11-16 23:52:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-16 23:52:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:56,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559510698] [2024-11-16 23:52:56,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559510698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:52:56,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498876342] [2024-11-16 23:52:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:56,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:52:56,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:56,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:52:56,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 23:52:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:56,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 23:52:56,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:52:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-16 23:52:56,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:52:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-16 23:52:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498876342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:52:56,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:52:56,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-16 23:52:56,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306178621] [2024-11-16 23:52:56,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:52:56,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 23:52:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:56,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 23:52:56,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-16 23:52:57,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1085 out of 1288 [2024-11-16 23:52:57,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1063 places, 1302 transitions, 3695 flow. Second operand has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:57,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:57,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1085 of 1288 [2024-11-16 23:52:57,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:59,824 INFO L124 PetriNetUnfolderBase]: 879/13231 cut-off events. [2024-11-16 23:52:59,825 INFO L125 PetriNetUnfolderBase]: For 730/823 co-relation queries the response was YES. [2024-11-16 23:52:59,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15941 conditions, 13231 events. 879/13231 cut-off events. For 730/823 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112383 event pairs, 12 based on Foata normal form. 1/12412 useless extension candidates. Maximal degree in co-relation 15926. Up to 1096 conditions per place. [2024-11-16 23:52:59,862 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 96 selfloop transitions, 7 changer transitions 0/1310 dead transitions. [2024-11-16 23:52:59,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1069 places, 1310 transitions, 3919 flow [2024-11-16 23:52:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:52:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:52:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7643 transitions. [2024-11-16 23:52:59,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8477151730257321 [2024-11-16 23:52:59,876 INFO L175 Difference]: Start difference. First operand has 1063 places, 1302 transitions, 3695 flow. Second operand 7 states and 7643 transitions. [2024-11-16 23:52:59,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1069 places, 1310 transitions, 3919 flow [2024-11-16 23:52:59,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1067 places, 1310 transitions, 3913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:59,905 INFO L231 Difference]: Finished difference. Result has 1071 places, 1306 transitions, 3731 flow [2024-11-16 23:52:59,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3689, PETRI_DIFFERENCE_MINUEND_PLACES=1061, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3731, PETRI_PLACES=1071, PETRI_TRANSITIONS=1306} [2024-11-16 23:52:59,908 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -43 predicate places. [2024-11-16 23:52:59,908 INFO L471 AbstractCegarLoop]: Abstraction has has 1071 places, 1306 transitions, 3731 flow [2024-11-16 23:52:59,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:59,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:59,910 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:59,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-16 23:53:00,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:53:00,111 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:53:00,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash -326371649, now seen corresponding path program 2 times [2024-11-16 23:53:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:00,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978798552] [2024-11-16 23:53:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 23:53:00,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:00,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978798552] [2024-11-16 23:53:00,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978798552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:53:00,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119088784] [2024-11-16 23:53:00,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:53:00,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:53:00,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:53:00,385 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:53:00,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 23:53:00,871 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 23:53:00,872 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:53:00,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 23:53:00,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:53:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 23:53:00,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:53:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-16 23:53:01,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119088784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:53:01,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:53:01,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-16 23:53:01,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503228632] [2024-11-16 23:53:01,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:53:01,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 23:53:01,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:01,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 23:53:01,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 23:53:01,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1085 out of 1288 [2024-11-16 23:53:01,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1071 places, 1306 transitions, 3731 flow. Second operand has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:01,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:01,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1085 of 1288 [2024-11-16 23:53:01,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:04,263 INFO L124 PetriNetUnfolderBase]: 885/13403 cut-off events. [2024-11-16 23:53:04,263 INFO L125 PetriNetUnfolderBase]: For 740/833 co-relation queries the response was YES. [2024-11-16 23:53:04,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16143 conditions, 13403 events. 885/13403 cut-off events. For 740/833 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112380 event pairs, 12 based on Foata normal form. 0/12576 useless extension candidates. Maximal degree in co-relation 16125. Up to 1096 conditions per place. [2024-11-16 23:53:04,319 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 100 selfloop transitions, 9 changer transitions 0/1320 dead transitions. [2024-11-16 23:53:04,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1079 places, 1320 transitions, 3985 flow [2024-11-16 23:53:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:53:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:53:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9820 transitions. [2024-11-16 23:53:04,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8471359558316081 [2024-11-16 23:53:04,337 INFO L175 Difference]: Start difference. First operand has 1071 places, 1306 transitions, 3731 flow. Second operand 9 states and 9820 transitions. [2024-11-16 23:53:04,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1079 places, 1320 transitions, 3985 flow [2024-11-16 23:53:04,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1078 places, 1320 transitions, 3979 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-16 23:53:04,365 INFO L231 Difference]: Finished difference. Result has 1081 places, 1313 transitions, 3781 flow [2024-11-16 23:53:04,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3725, PETRI_DIFFERENCE_MINUEND_PLACES=1070, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3781, PETRI_PLACES=1081, PETRI_TRANSITIONS=1313} [2024-11-16 23:53:04,368 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -33 predicate places. [2024-11-16 23:53:04,368 INFO L471 AbstractCegarLoop]: Abstraction has has 1081 places, 1313 transitions, 3781 flow [2024-11-16 23:53:04,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:04,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:04,371 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:04,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-16 23:53:04,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:53:04,573 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:53:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:04,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1035574427, now seen corresponding path program 3 times [2024-11-16 23:53:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686745834] [2024-11-16 23:53:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 160 proven. 31 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-16 23:53:05,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:05,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686745834] [2024-11-16 23:53:05,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686745834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:53:05,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366530612] [2024-11-16 23:53:05,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-16 23:53:05,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:53:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:53:05,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:53:05,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-16 23:53:10,638 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-16 23:53:10,639 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:53:10,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-16 23:53:10,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:53:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 183 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 23:53:11,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:53:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 23:53:13,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366530612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:53:13,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:53:13,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 30, 24] total 55 [2024-11-16 23:53:13,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818051478] [2024-11-16 23:53:13,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:53:13,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-16 23:53:13,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:13,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-16 23:53:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2751, Unknown=0, NotChecked=0, Total=2970 [2024-11-16 23:53:18,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1036 out of 1288 [2024-11-16 23:53:18,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1081 places, 1313 transitions, 3781 flow. Second operand has 55 states, 55 states have (on average 1040.5454545454545) internal successors, (57230), 55 states have internal predecessors, (57230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:18,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:18,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1036 of 1288 [2024-11-16 23:53:18,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:24,516 INFO L124 PetriNetUnfolderBase]: 882/13532 cut-off events. [2024-11-16 23:53:24,516 INFO L125 PetriNetUnfolderBase]: For 765/858 co-relation queries the response was YES. [2024-11-16 23:53:24,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16459 conditions, 13532 events. 882/13532 cut-off events. For 765/858 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112948 event pairs, 12 based on Foata normal form. 0/12710 useless extension candidates. Maximal degree in co-relation 16438. Up to 1096 conditions per place. [2024-11-16 23:53:24,562 INFO L140 encePairwiseOnDemand]: 1249/1288 looper letters, 140 selfloop transitions, 85 changer transitions 0/1389 dead transitions. [2024-11-16 23:53:24,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1138 places, 1389 transitions, 4417 flow [2024-11-16 23:53:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-16 23:53:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2024-11-16 23:53:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60257 transitions. [2024-11-16 23:53:24,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8066100878132363 [2024-11-16 23:53:24,608 INFO L175 Difference]: Start difference. First operand has 1081 places, 1313 transitions, 3781 flow. Second operand 58 states and 60257 transitions. [2024-11-16 23:53:24,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1138 places, 1389 transitions, 4417 flow [2024-11-16 23:53:24,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1138 places, 1389 transitions, 4417 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:53:24,639 INFO L231 Difference]: Finished difference. Result has 1144 places, 1368 transitions, 4142 flow [2024-11-16 23:53:24,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3781, PETRI_DIFFERENCE_MINUEND_PLACES=1081, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=4142, PETRI_PLACES=1144, PETRI_TRANSITIONS=1368} [2024-11-16 23:53:24,642 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, 30 predicate places. [2024-11-16 23:53:24,642 INFO L471 AbstractCegarLoop]: Abstraction has has 1144 places, 1368 transitions, 4142 flow [2024-11-16 23:53:24,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1040.5454545454545) internal successors, (57230), 55 states have internal predecessors, (57230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:24,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:24,656 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:24,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-16 23:53:24,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-16 23:53:24,857 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-16 23:53:24,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash 898034674, now seen corresponding path program 1 times [2024-11-16 23:53:24,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:24,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577635693] [2024-11-16 23:53:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:53:25,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:53:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:53:25,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:53:25,389 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:53:25,390 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2024-11-16 23:53:25,392 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-11-16 23:53:25,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-11-16 23:53:25,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-11-16 23:53:25,394 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-11-16 23:53:25,395 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-11-16 23:53:25,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-11-16 23:53:25,397 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-11-16 23:53:25,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-11-16 23:53:25,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-11-16 23:53:25,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-11-16 23:53:25,399 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2024-11-16 23:53:25,400 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-11-16 23:53:25,401 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-11-16 23:53:25,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-11-16 23:53:25,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-11-16 23:53:25,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-11-16 23:53:25,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-11-16 23:53:25,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-11-16 23:53:25,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-11-16 23:53:25,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-11-16 23:53:25,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-11-16 23:53:25,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-11-16 23:53:25,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:53:25,405 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:25,408 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:53:25,408 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:53:25,626 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:53:25,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1936 places, 2239 transitions, 4494 flow [2024-11-16 23:53:26,745 INFO L124 PetriNetUnfolderBase]: 350/2471 cut-off events. [2024-11-16 23:53:26,745 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:53:26,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2483 conditions, 2471 events. 350/2471 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 12151 event pairs, 0 based on Foata normal form. 0/2030 useless extension candidates. Maximal degree in co-relation 2043. Up to 12 conditions per place. [2024-11-16 23:53:26,844 INFO L82 GeneralOperation]: Start removeDead. Operand has 1936 places, 2239 transitions, 4494 flow [2024-11-16 23:53:26,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1936 places, 2239 transitions, 4494 flow [2024-11-16 23:53:26,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:53:26,895 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;@4445125c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:53:26,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2024-11-16 23:53:26,898 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:53:26,899 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-16 23:53:26,899 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:53:26,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:26,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:26,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-16 23:53:26,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1103967350, now seen corresponding path program 1 times [2024-11-16 23:53:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:26,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116593440] [2024-11-16 23:53:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:53:27,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:27,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116593440] [2024-11-16 23:53:27,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116593440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:53:27,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:53:27,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:53:27,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512929790] [2024-11-16 23:53:27,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:53:27,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:53:27,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:27,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:53:27,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:53:27,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1902 out of 2239 [2024-11-16 23:53:27,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1936 places, 2239 transitions, 4494 flow. Second operand has 2 states, 2 states have (on average 1902.5) internal successors, (3805), 2 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:27,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:27,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1902 of 2239 [2024-11-16 23:53:27,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:34,307 INFO L124 PetriNetUnfolderBase]: 1209/22604 cut-off events. [2024-11-16 23:53:34,307 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES. [2024-11-16 23:53:34,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23936 conditions, 22604 events. 1209/22604 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 250115 event pairs, 343 based on Foata normal form. 11401/32177 useless extension candidates. Maximal degree in co-relation 4568. Up to 1212 conditions per place. [2024-11-16 23:53:34,640 INFO L140 encePairwiseOnDemand]: 1954/2239 looper letters, 52 selfloop transitions, 0 changer transitions 12/1893 dead transitions. [2024-11-16 23:53:34,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1838 places, 1893 transitions, 3906 flow [2024-11-16 23:53:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:53:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:53:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4141 transitions. [2024-11-16 23:53:34,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9247431889236266 [2024-11-16 23:53:34,645 INFO L175 Difference]: Start difference. First operand has 1936 places, 2239 transitions, 4494 flow. Second operand 2 states and 4141 transitions. [2024-11-16 23:53:34,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1838 places, 1893 transitions, 3906 flow [2024-11-16 23:53:34,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1838 places, 1893 transitions, 3906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:53:34,672 INFO L231 Difference]: Finished difference. Result has 1838 places, 1881 transitions, 3778 flow [2024-11-16 23:53:34,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2239, PETRI_DIFFERENCE_MINUEND_FLOW=3802, PETRI_DIFFERENCE_MINUEND_PLACES=1837, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3778, PETRI_PLACES=1838, PETRI_TRANSITIONS=1881} [2024-11-16 23:53:34,675 INFO L277 CegarLoopForPetriNet]: 1936 programPoint places, -98 predicate places. [2024-11-16 23:53:34,675 INFO L471 AbstractCegarLoop]: Abstraction has has 1838 places, 1881 transitions, 3778 flow [2024-11-16 23:53:34,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1902.5) internal successors, (3805), 2 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:34,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:34,676 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:34,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:53:34,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-16 23:53:34,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:34,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1270012121, now seen corresponding path program 1 times [2024-11-16 23:53:34,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:34,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509579898] [2024-11-16 23:53:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:53:34,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:34,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509579898] [2024-11-16 23:53:34,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509579898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:53:34,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:53:34,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:53:34,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082602664] [2024-11-16 23:53:34,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:53:34,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:53:34,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:34,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:53:34,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:53:34,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1896 out of 2239 [2024-11-16 23:53:34,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1838 places, 1881 transitions, 3778 flow. Second operand has 3 states, 3 states have (on average 1898.3333333333333) internal successors, (5695), 3 states have internal predecessors, (5695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:34,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:34,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1896 of 2239 [2024-11-16 23:53:34,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand