./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/bounded_spsc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d 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/bounded_spsc.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 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:08:24,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:25,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:08:25,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:25,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:25,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:25,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:25,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:25,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:25,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:25,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:08:25,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:08:25,076 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:08:25,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:25,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:25,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:08:25,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:08:25,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:08:25,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:25,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:25,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:25,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:25,084 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:08:25,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:25,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:08:25,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:08:25,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:25,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:25,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:25,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:08:25,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:25,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:08:25,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:25,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:25,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:25,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:08:25,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:08:25,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:25,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:08:25,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:08:25,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:08:25,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e [2024-11-09 07:08:25,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:25,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:25,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:25,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:25,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:25,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_spsc.i [2024-11-09 07:08:26,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:27,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:27,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_spsc.i [2024-11-09 07:08:27,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fe4e8b9/a8423bcd4d9a44f0ac74b5f17191cdf2/FLAG2c1e7feca [2024-11-09 07:08:27,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fe4e8b9/a8423bcd4d9a44f0ac74b5f17191cdf2 [2024-11-09 07:08:27,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:27,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:27,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:27,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:27,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:27,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:27" (1/1) ... [2024-11-09 07:08:27,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c45ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:27, skipping insertion in model container [2024-11-09 07:08:27,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:27" (1/1) ... [2024-11-09 07:08:27,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:30,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:30,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:30,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4397] [2024-11-09 07:08:30,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4399] [2024-11-09 07:08:30,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4404] [2024-11-09 07:08:30,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4406] [2024-11-09 07:08:30,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4412] [2024-11-09 07:08:30,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-09 07:08:30,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4420] [2024-11-09 07:08:30,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4422] [2024-11-09 07:08:30,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4428] [2024-11-09 07:08:30,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4430] [2024-11-09 07:08:30,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4436] [2024-11-09 07:08:30,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4438] [2024-11-09 07:08:30,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-09 07:08:30,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4446] [2024-11-09 07:08:30,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4452] [2024-11-09 07:08:30,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4454] [2024-11-09 07:08:30,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4459] [2024-11-09 07:08:30,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4461] [2024-11-09 07:08:30,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4466] [2024-11-09 07:08:30,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4468] [2024-11-09 07:08:30,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-09 07:08:30,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4475] [2024-11-09 07:08:30,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-09 07:08:30,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4482] [2024-11-09 07:08:30,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4487] [2024-11-09 07:08:30,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4489] [2024-11-09 07:08:30,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4494] [2024-11-09 07:08:30,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4497] [2024-11-09 07:08:30,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-09 07:08:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4506] [2024-11-09 07:08:30,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4512] [2024-11-09 07:08:30,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4515] [2024-11-09 07:08:30,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4521] [2024-11-09 07:08:30,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4524] [2024-11-09 07:08:30,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4530] [2024-11-09 07:08:30,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4533] [2024-11-09 07:08:30,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4539] [2024-11-09 07:08:30,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4542] [2024-11-09 07:08:30,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-09 07:08:30,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4552] [2024-11-09 07:08:30,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4559] [2024-11-09 07:08:30,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4562] [2024-11-09 07:08:30,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4569] [2024-11-09 07:08:30,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4572] [2024-11-09 07:08:30,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4579] [2024-11-09 07:08:30,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-09 07:08:30,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4589] [2024-11-09 07:08:30,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4592] [2024-11-09 07:08:30,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4599] [2024-11-09 07:08:30,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4602] [2024-11-09 07:08:30,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4608] [2024-11-09 07:08:30,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4611] [2024-11-09 07:08:30,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4617] [2024-11-09 07:08:30,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4620] [2024-11-09 07:08:30,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4626] [2024-11-09 07:08:30,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4629] [2024-11-09 07:08:30,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4635] [2024-11-09 07:08:30,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4638] [2024-11-09 07:08:30,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4644] [2024-11-09 07:08:30,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4647] [2024-11-09 07:08:30,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4653] [2024-11-09 07:08:30,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-09 07:08:30,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-09 07:08:30,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4665] [2024-11-09 07:08:30,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4671] [2024-11-09 07:08:30,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4674] [2024-11-09 07:08:30,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-09 07:08:30,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4683] [2024-11-09 07:08:30,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4689] [2024-11-09 07:08:30,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4692] [2024-11-09 07:08:30,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4698] [2024-11-09 07:08:30,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4701] [2024-11-09 07:08:30,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4707] [2024-11-09 07:08:30,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-09 07:08:30,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4716] [2024-11-09 07:08:30,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4719] [2024-11-09 07:08:30,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4725] [2024-11-09 07:08:30,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-09 07:08:30,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4734] [2024-11-09 07:08:30,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4737] [2024-11-09 07:08:30,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4743] [2024-11-09 07:08:30,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4745] [2024-11-09 07:08:30,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4751] [2024-11-09 07:08:30,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4753] [2024-11-09 07:08:30,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4759] [2024-11-09 07:08:30,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4761] [2024-11-09 07:08:30,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4767] [2024-11-09 07:08:30,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4769] [2024-11-09 07:08:30,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4775] [2024-11-09 07:08:30,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4777] [2024-11-09 07:08:30,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4783] [2024-11-09 07:08:30,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4785] [2024-11-09 07:08:30,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4791] [2024-11-09 07:08:30,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4793] [2024-11-09 07:08:30,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4799] [2024-11-09 07:08:30,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4801] [2024-11-09 07:08:30,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4807] [2024-11-09 07:08:30,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4809] [2024-11-09 07:08:30,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4815] [2024-11-09 07:08:30,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4817] [2024-11-09 07:08:30,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:31,210 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:31,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31 WrapperNode [2024-11-09 07:08:31,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:31,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:31,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:31,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,386 INFO L138 Inliner]: procedures = 948, calls = 963, calls flagged for inlining = 823, calls inlined = 39, statements flattened = 610 [2024-11-09 07:08:31,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:31,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:31,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:31,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:31,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:31,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:08:31,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:08:31,507 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) [2024-11-09 07:08:31,511 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 [2024-11-09 07:08:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:08:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:08:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-09 07:08:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:08:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:08:31,556 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:08:31,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:31,718 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:32,552 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:08:32,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:32,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:32,652 INFO L316 CfgBuilder]: Removed 51 assume(true) statements. [2024-11-09 07:08:32,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:32 BoogieIcfgContainer [2024-11-09 07:08:32,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:32,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:32,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:32,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:32,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:27" (1/3) ... [2024-11-09 07:08:32,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a1f60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:32, skipping insertion in model container [2024-11-09 07:08:32,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (2/3) ... [2024-11-09 07:08:32,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a1f60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:32, skipping insertion in model container [2024-11-09 07:08:32,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:32" (3/3) ... [2024-11-09 07:08:32,662 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_spsc.i [2024-11-09 07:08:32,677 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:32,677 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-09 07:08:32,677 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:08:32,839 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 07:08:32,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 676 transitions, 1359 flow [2024-11-09 07:08:33,073 INFO L124 PetriNetUnfolderBase]: 86/708 cut-off events. [2024-11-09 07:08:33,074 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 07:08:33,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 708 events. 86/708 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1799 event pairs, 0 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 516. Up to 4 conditions per place. [2024-11-09 07:08:33,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 676 transitions, 1359 flow [2024-11-09 07:08:33,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 676 transitions, 1359 flow [2024-11-09 07:08:33,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:33,119 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;@7864baf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:33,119 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-09 07:08:33,127 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:08:33,127 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2024-11-09 07:08:33,128 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:08:33,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:33,129 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] [2024-11-09 07:08:33,129 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:33,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:33,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1144983470, now seen corresponding path program 1 times [2024-11-09 07:08:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401568306] [2024-11-09 07:08:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:33,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:33,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:33,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401568306] [2024-11-09 07:08:33,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401568306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:33,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:33,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:08:33,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120248094] [2024-11-09 07:08:33,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:33,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:08:33,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:33,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:08:33,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:08:33,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 676 [2024-11-09 07:08:33,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 676 transitions, 1359 flow. Second operand has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 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) [2024-11-09 07:08:33,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:33,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 676 [2024-11-09 07:08:33,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:33,490 INFO L124 PetriNetUnfolderBase]: 11/603 cut-off events. [2024-11-09 07:08:33,490 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:08:33,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 603 events. 11/603 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1490 event pairs, 0 based on Foata normal form. 79/635 useless extension candidates. Maximal degree in co-relation 442. Up to 11 conditions per place. [2024-11-09 07:08:33,494 INFO L140 encePairwiseOnDemand]: 597/676 looper letters, 10 selfloop transitions, 0 changer transitions 10/573 dead transitions. [2024-11-09 07:08:33,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 573 transitions, 1173 flow [2024-11-09 07:08:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:08:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-09 07:08:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1259 transitions. [2024-11-09 07:08:33,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9312130177514792 [2024-11-09 07:08:33,519 INFO L175 Difference]: Start difference. First operand has 595 places, 676 transitions, 1359 flow. Second operand 2 states and 1259 transitions. [2024-11-09 07:08:33,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 573 transitions, 1173 flow [2024-11-09 07:08:33,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 573 transitions, 1173 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:33,532 INFO L231 Difference]: Finished difference. Result has 566 places, 563 transitions, 1133 flow [2024-11-09 07:08:33,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1133, PETRI_PLACES=566, PETRI_TRANSITIONS=563} [2024-11-09 07:08:33,537 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -29 predicate places. [2024-11-09 07:08:33,538 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 563 transitions, 1133 flow [2024-11-09 07:08:33,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 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) [2024-11-09 07:08:33,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:33,539 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] [2024-11-09 07:08:33,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:08:33,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:33,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1555750909, now seen corresponding path program 1 times [2024-11-09 07:08:33,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:33,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92657886] [2024-11-09 07:08:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:33,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:34,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92657886] [2024-11-09 07:08:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92657886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:34,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:34,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:34,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923395977] [2024-11-09 07:08:34,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:34,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:34,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:34,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:34,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:34,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-11-09 07:08:34,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 563 transitions, 1133 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 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) [2024-11-09 07:08:34,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:34,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-11-09 07:08:34,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:35,090 INFO L124 PetriNetUnfolderBase]: 612/3906 cut-off events. [2024-11-09 07:08:35,091 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-09 07:08:35,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5099 conditions, 3906 events. 612/3906 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31497 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5095. Up to 1181 conditions per place. [2024-11-09 07:08:35,108 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/562 dead transitions. [2024-11-09 07:08:35,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 562 transitions, 1323 flow [2024-11-09 07:08:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-11-09 07:08:35,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-11-09 07:08:35,114 INFO L175 Difference]: Start difference. First operand has 566 places, 563 transitions, 1133 flow. Second operand 6 states and 3085 transitions. [2024-11-09 07:08:35,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 562 transitions, 1323 flow [2024-11-09 07:08:35,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 562 transitions, 1323 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:35,124 INFO L231 Difference]: Finished difference. Result has 560 places, 562 transitions, 1141 flow [2024-11-09 07:08:35,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1141, PETRI_PLACES=560, PETRI_TRANSITIONS=562} [2024-11-09 07:08:35,126 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -35 predicate places. [2024-11-09 07:08:35,126 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 562 transitions, 1141 flow [2024-11-09 07:08:35,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 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) [2024-11-09 07:08:35,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:35,129 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] [2024-11-09 07:08:35,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:08:35,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:35,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1928621824, now seen corresponding path program 1 times [2024-11-09 07:08:35,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:35,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732154559] [2024-11-09 07:08:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:35,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:35,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:35,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732154559] [2024-11-09 07:08:35,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732154559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:35,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:35,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:35,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116338243] [2024-11-09 07:08:35,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:35,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:35,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:35,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:35,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:35,815 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-11-09 07:08:35,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 562 transitions, 1141 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 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) [2024-11-09 07:08:35,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:35,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-11-09 07:08:35,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:36,330 INFO L124 PetriNetUnfolderBase]: 612/3905 cut-off events. [2024-11-09 07:08:36,331 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-09 07:08:36,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 3905 events. 612/3905 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31451 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5099. Up to 1181 conditions per place. [2024-11-09 07:08:36,350 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/561 dead transitions. [2024-11-09 07:08:36,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 561 transitions, 1331 flow [2024-11-09 07:08:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-11-09 07:08:36,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-11-09 07:08:36,358 INFO L175 Difference]: Start difference. First operand has 560 places, 562 transitions, 1141 flow. Second operand 6 states and 3085 transitions. [2024-11-09 07:08:36,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 561 transitions, 1331 flow [2024-11-09 07:08:36,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 561 transitions, 1321 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:36,369 INFO L231 Difference]: Finished difference. Result has 559 places, 561 transitions, 1139 flow [2024-11-09 07:08:36,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=559, PETRI_TRANSITIONS=561} [2024-11-09 07:08:36,371 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-11-09 07:08:36,371 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 561 transitions, 1139 flow [2024-11-09 07:08:36,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 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) [2024-11-09 07:08:36,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:36,373 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, 1] [2024-11-09 07:08:36,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:08:36,374 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:36,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1984799782, now seen corresponding path program 1 times [2024-11-09 07:08:36,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:36,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370366425] [2024-11-09 07:08:36,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:37,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370366425] [2024-11-09 07:08:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370366425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:37,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:37,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:37,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028255458] [2024-11-09 07:08:37,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:37,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:37,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:37,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:37,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:37,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 676 [2024-11-09 07:08:37,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 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) [2024-11-09 07:08:37,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:37,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 676 [2024-11-09 07:08:37,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:38,464 INFO L124 PetriNetUnfolderBase]: 687/4320 cut-off events. [2024-11-09 07:08:38,465 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-09 07:08:38,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5663 conditions, 4320 events. 687/4320 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 37063 event pairs, 594 based on Foata normal form. 0/3961 useless extension candidates. Maximal degree in co-relation 5658. Up to 1325 conditions per place. [2024-11-09 07:08:38,488 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 99 selfloop transitions, 5 changer transitions 0/560 dead transitions. [2024-11-09 07:08:38,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 560 transitions, 1345 flow [2024-11-09 07:08:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3045 transitions. [2024-11-09 07:08:38,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7507396449704142 [2024-11-09 07:08:38,495 INFO L175 Difference]: Start difference. First operand has 559 places, 561 transitions, 1139 flow. Second operand 6 states and 3045 transitions. [2024-11-09 07:08:38,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 560 transitions, 1345 flow [2024-11-09 07:08:38,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 560 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:38,505 INFO L231 Difference]: Finished difference. Result has 558 places, 560 transitions, 1137 flow [2024-11-09 07:08:38,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1137, PETRI_PLACES=558, PETRI_TRANSITIONS=560} [2024-11-09 07:08:38,507 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -37 predicate places. [2024-11-09 07:08:38,507 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 560 transitions, 1137 flow [2024-11-09 07:08:38,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 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) [2024-11-09 07:08:38,509 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:38,509 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, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:38,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:08:38,510 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:38,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1724402792, now seen corresponding path program 1 times [2024-11-09 07:08:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308406326] [2024-11-09 07:08:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:38,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:38,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308406326] [2024-11-09 07:08:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308406326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:38,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:08:38,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774599519] [2024-11-09 07:08:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:38,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:08:38,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:38,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:08:38,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:08:38,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 676 [2024-11-09 07:08:38,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 560 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 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) [2024-11-09 07:08:38,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:38,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 676 [2024-11-09 07:08:38,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:38,774 INFO L124 PetriNetUnfolderBase]: 17/630 cut-off events. [2024-11-09 07:08:38,774 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:08:38,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 630 events. 17/630 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1719 event pairs, 6 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 673. Up to 30 conditions per place. [2024-11-09 07:08:38,777 INFO L140 encePairwiseOnDemand]: 673/676 looper letters, 15 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-09 07:08:38,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 561 transitions, 1173 flow [2024-11-09 07:08:38,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:08:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:08:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1755 transitions. [2024-11-09 07:08:38,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653846153846154 [2024-11-09 07:08:38,781 INFO L175 Difference]: Start difference. First operand has 558 places, 560 transitions, 1137 flow. Second operand 3 states and 1755 transitions. [2024-11-09 07:08:38,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 561 transitions, 1173 flow [2024-11-09 07:08:38,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 561 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:38,791 INFO L231 Difference]: Finished difference. Result has 556 places, 561 transitions, 1139 flow [2024-11-09 07:08:38,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1139, PETRI_PLACES=556, PETRI_TRANSITIONS=561} [2024-11-09 07:08:38,792 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -39 predicate places. [2024-11-09 07:08:38,793 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 561 transitions, 1139 flow [2024-11-09 07:08:38,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 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) [2024-11-09 07:08:38,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:38,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:38,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:08:38,794 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:38,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:38,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1602403947, now seen corresponding path program 1 times [2024-11-09 07:08:38,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:38,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954234441] [2024-11-09 07:08:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:39,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:39,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954234441] [2024-11-09 07:08:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954234441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:39,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:39,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:39,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504667209] [2024-11-09 07:08:39,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:39,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:39,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:39,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:39,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:40,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-11-09 07:08:40,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 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) [2024-11-09 07:08:40,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:40,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-11-09 07:08:40,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:41,045 INFO L124 PetriNetUnfolderBase]: 161/2349 cut-off events. [2024-11-09 07:08:41,046 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-09 07:08:41,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 2349 events. 161/2349 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 15232 event pairs, 110 based on Foata normal form. 0/2151 useless extension candidates. Maximal degree in co-relation 2657. Up to 291 conditions per place. [2024-11-09 07:08:41,061 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 49 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-09 07:08:41,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 560 transitions, 1247 flow [2024-11-09 07:08:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3295 transitions. [2024-11-09 07:08:41,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123767258382643 [2024-11-09 07:08:41,068 INFO L175 Difference]: Start difference. First operand has 556 places, 561 transitions, 1139 flow. Second operand 6 states and 3295 transitions. [2024-11-09 07:08:41,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 560 transitions, 1247 flow [2024-11-09 07:08:41,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 560 transitions, 1245 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:08:41,075 INFO L231 Difference]: Finished difference. Result has 559 places, 560 transitions, 1147 flow [2024-11-09 07:08:41,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1147, PETRI_PLACES=559, PETRI_TRANSITIONS=560} [2024-11-09 07:08:41,077 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-11-09 07:08:41,077 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 560 transitions, 1147 flow [2024-11-09 07:08:41,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 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) [2024-11-09 07:08:41,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:41,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:41,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:08:41,080 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:41,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:41,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1097745981, now seen corresponding path program 1 times [2024-11-09 07:08:41,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:41,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777868533] [2024-11-09 07:08:41,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:41,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:08:41,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:41,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777868533] [2024-11-09 07:08:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777868533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:41,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:41,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:41,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542219140] [2024-11-09 07:08:41,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:41,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:41,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:41,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:41,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:42,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-11-09 07:08:42,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 560 transitions, 1147 flow. Second operand has 6 states, 6 states have (on average 543.6666666666666) internal successors, (3262), 6 states have internal predecessors, (3262), 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) [2024-11-09 07:08:42,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:42,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-11-09 07:08:42,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:43,979 INFO L124 PetriNetUnfolderBase]: 535/6365 cut-off events. [2024-11-09 07:08:43,980 INFO L125 PetriNetUnfolderBase]: For 20/27 co-relation queries the response was YES. [2024-11-09 07:08:43,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7313 conditions, 6365 events. 535/6365 cut-off events. For 20/27 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 57239 event pairs, 196 based on Foata normal form. 5/5836 useless extension candidates. Maximal degree in co-relation 7307. Up to 748 conditions per place. [2024-11-09 07:08:44,002 INFO L140 encePairwiseOnDemand]: 651/676 looper letters, 68 selfloop transitions, 77 changer transitions 7/654 dead transitions. [2024-11-09 07:08:44,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 654 transitions, 1636 flow [2024-11-09 07:08:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3390 transitions. [2024-11-09 07:08:44,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357988165680473 [2024-11-09 07:08:44,008 INFO L175 Difference]: Start difference. First operand has 559 places, 560 transitions, 1147 flow. Second operand 6 states and 3390 transitions. [2024-11-09 07:08:44,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 654 transitions, 1636 flow [2024-11-09 07:08:44,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 654 transitions, 1624 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:44,017 INFO L231 Difference]: Finished difference. Result has 564 places, 631 transitions, 1628 flow [2024-11-09 07:08:44,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1628, PETRI_PLACES=564, PETRI_TRANSITIONS=631} [2024-11-09 07:08:44,018 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -31 predicate places. [2024-11-09 07:08:44,018 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 631 transitions, 1628 flow [2024-11-09 07:08:44,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 543.6666666666666) internal successors, (3262), 6 states have internal predecessors, (3262), 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) [2024-11-09 07:08:44,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:44,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:44,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:08:44,021 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:44,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash -899659656, now seen corresponding path program 1 times [2024-11-09 07:08:44,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:44,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016901237] [2024-11-09 07:08:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:08:44,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:44,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016901237] [2024-11-09 07:08:44,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016901237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:44,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:44,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:44,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708265515] [2024-11-09 07:08:44,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:44,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:44,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:44,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:44,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:45,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 676 [2024-11-09 07:08:45,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 631 transitions, 1628 flow. Second operand has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 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) [2024-11-09 07:08:45,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:45,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 676 [2024-11-09 07:08:45,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:47,108 INFO L124 PetriNetUnfolderBase]: 1742/9840 cut-off events. [2024-11-09 07:08:47,108 INFO L125 PetriNetUnfolderBase]: For 1070/1230 co-relation queries the response was YES. [2024-11-09 07:08:47,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14714 conditions, 9840 events. 1742/9840 cut-off events. For 1070/1230 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 93765 event pairs, 522 based on Foata normal form. 16/9043 useless extension candidates. Maximal degree in co-relation 14704. Up to 3034 conditions per place. [2024-11-09 07:08:47,160 INFO L140 encePairwiseOnDemand]: 603/676 looper letters, 178 selfloop transitions, 270 changer transitions 0/900 dead transitions. [2024-11-09 07:08:47,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 900 transitions, 3206 flow [2024-11-09 07:08:47,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3314 transitions. [2024-11-09 07:08:47,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8170611439842209 [2024-11-09 07:08:47,169 INFO L175 Difference]: Start difference. First operand has 564 places, 631 transitions, 1628 flow. Second operand 6 states and 3314 transitions. [2024-11-09 07:08:47,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 900 transitions, 3206 flow [2024-11-09 07:08:47,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 900 transitions, 3206 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:47,193 INFO L231 Difference]: Finished difference. Result has 570 places, 900 transitions, 3534 flow [2024-11-09 07:08:47,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3534, PETRI_PLACES=570, PETRI_TRANSITIONS=900} [2024-11-09 07:08:47,197 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -25 predicate places. [2024-11-09 07:08:47,197 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 900 transitions, 3534 flow [2024-11-09 07:08:47,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 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) [2024-11-09 07:08:47,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:47,200 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:47,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:08:47,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:47,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash -801922169, now seen corresponding path program 1 times [2024-11-09 07:08:47,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:47,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450477334] [2024-11-09 07:08:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450477334] [2024-11-09 07:08:47,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450477334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200505793] [2024-11-09 07:08:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:47,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:08:47,541 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) [2024-11-09 07:08:47,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:08:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:47,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 07:08:47,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:47,803 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 55 treesize of output 42 [2024-11-09 07:08:47,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2024-11-09 07:08:47,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 14 [2024-11-09 07:08:47,872 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 96 treesize of output 80 [2024-11-09 07:08:47,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:47,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 154 [2024-11-09 07:08:47,924 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:47,925 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:47,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 77 treesize of output 30 [2024-11-09 07:08:48,032 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 124 treesize of output 104 [2024-11-09 07:08:48,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:48,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 208 [2024-11-09 07:08:48,075 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:48,077 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:48,082 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:48,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 51 [2024-11-09 07:08:48,208 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 152 treesize of output 128 [2024-11-09 07:08:48,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:48,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 128 treesize of output 262 [2024-11-09 07:08:48,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:48,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 68 [2024-11-09 07:08:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:08:48,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:08:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200505793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:48,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:08:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 07:08:48,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936075368] [2024-11-09 07:08:48,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:48,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:48,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:08:49,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 676 [2024-11-09 07:08:49,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 900 transitions, 3534 flow. Second operand has 6 states, 6 states have (on average 547.3333333333334) internal successors, (3284), 6 states have internal predecessors, (3284), 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) [2024-11-09 07:08:49,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:49,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 676 [2024-11-09 07:08:49,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:50,371 INFO L124 PetriNetUnfolderBase]: 859/6368 cut-off events. [2024-11-09 07:08:50,371 INFO L125 PetriNetUnfolderBase]: For 1568/1835 co-relation queries the response was YES. [2024-11-09 07:08:50,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10811 conditions, 6368 events. 859/6368 cut-off events. For 1568/1835 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 55591 event pairs, 15 based on Foata normal form. 1/5979 useless extension candidates. Maximal degree in co-relation 10796. Up to 1162 conditions per place. [2024-11-09 07:08:50,401 INFO L140 encePairwiseOnDemand]: 665/676 looper letters, 221 selfloop transitions, 40 changer transitions 0/931 dead transitions. [2024-11-09 07:08:50,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 931 transitions, 4216 flow [2024-11-09 07:08:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3331 transitions. [2024-11-09 07:08:50,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8212524654832347 [2024-11-09 07:08:50,407 INFO L175 Difference]: Start difference. First operand has 570 places, 900 transitions, 3534 flow. Second operand 6 states and 3331 transitions. [2024-11-09 07:08:50,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 931 transitions, 4216 flow [2024-11-09 07:08:50,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 931 transitions, 4064 flow, removed 76 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:50,428 INFO L231 Difference]: Finished difference. Result has 580 places, 931 transitions, 3742 flow [2024-11-09 07:08:50,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3742, PETRI_PLACES=580, PETRI_TRANSITIONS=931} [2024-11-09 07:08:50,430 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -15 predicate places. [2024-11-09 07:08:50,430 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 931 transitions, 3742 flow [2024-11-09 07:08:50,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 547.3333333333334) internal successors, (3284), 6 states have internal predecessors, (3284), 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) [2024-11-09 07:08:50,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:50,432 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:50,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:08:50,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:50,634 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:50,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:50,634 INFO L85 PathProgramCache]: Analyzing trace with hash -686852148, now seen corresponding path program 1 times [2024-11-09 07:08:50,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:50,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373981119] [2024-11-09 07:08:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:08:50,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373981119] [2024-11-09 07:08:50,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373981119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241259442] [2024-11-09 07:08:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:50,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:08:50,821 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) [2024-11-09 07:08:50,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:08:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:50,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:08:50,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:08:51,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:08:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:08:51,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241259442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:08:51,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:08:51,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-09 07:08:51,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092291931] [2024-11-09 07:08:51,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:08:51,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 07:08:51,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:51,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 07:08:51,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:08:51,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 676 [2024-11-09 07:08:51,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 931 transitions, 3742 flow. Second operand has 9 states, 9 states have (on average 578.2222222222222) internal successors, (5204), 9 states have internal predecessors, (5204), 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) [2024-11-09 07:08:51,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:51,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 676 [2024-11-09 07:08:51,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:52,398 INFO L124 PetriNetUnfolderBase]: 828/6339 cut-off events. [2024-11-09 07:08:52,398 INFO L125 PetriNetUnfolderBase]: For 1444/1577 co-relation queries the response was YES. [2024-11-09 07:08:52,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10371 conditions, 6339 events. 828/6339 cut-off events. For 1444/1577 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 55337 event pairs, 9 based on Foata normal form. 3/5964 useless extension candidates. Maximal degree in co-relation 10351. Up to 1169 conditions per place. [2024-11-09 07:08:52,448 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 50 selfloop transitions, 9 changer transitions 0/939 dead transitions. [2024-11-09 07:08:52,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 939 transitions, 3878 flow [2024-11-09 07:08:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 07:08:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 07:08:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5213 transitions. [2024-11-09 07:08:52,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8568376068376068 [2024-11-09 07:08:52,457 INFO L175 Difference]: Start difference. First operand has 580 places, 931 transitions, 3742 flow. Second operand 9 states and 5213 transitions. [2024-11-09 07:08:52,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 939 transitions, 3878 flow [2024-11-09 07:08:52,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 939 transitions, 3860 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:52,492 INFO L231 Difference]: Finished difference. Result has 591 places, 937 transitions, 3774 flow [2024-11-09 07:08:52,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=3724, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3774, PETRI_PLACES=591, PETRI_TRANSITIONS=937} [2024-11-09 07:08:52,494 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -4 predicate places. [2024-11-09 07:08:52,494 INFO L471 AbstractCegarLoop]: Abstraction has has 591 places, 937 transitions, 3774 flow [2024-11-09 07:08:52,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 578.2222222222222) internal successors, (5204), 9 states have internal predecessors, (5204), 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) [2024-11-09 07:08:52,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:52,497 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:52,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 07:08:52,697 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,SelfDestructingSolverStorable9 [2024-11-09 07:08:52,698 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-09 07:08:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1537117214, now seen corresponding path program 2 times [2024-11-09 07:08:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329655400] [2024-11-09 07:08:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:52,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:08:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:52,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 07:08:52,915 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:08:52,917 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-11-09 07:08:52,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-09 07:08:52,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-09 07:08:52,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-09 07:08:52,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-09 07:08:52,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-09 07:08:52,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-09 07:08:52,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-09 07:08:52,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-09 07:08:52,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-09 07:08:52,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-09 07:08:52,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-09 07:08:52,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-09 07:08:52,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:08:52,925 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:52,928 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 07:08:52,928 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 07:08:53,058 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 07:08:53,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1156 transitions, 2328 flow [2024-11-09 07:08:53,374 INFO L124 PetriNetUnfolderBase]: 157/1253 cut-off events. [2024-11-09 07:08:53,374 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-09 07:08:53,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 1253 events. 157/1253 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4991 event pairs, 0 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1017. Up to 8 conditions per place. [2024-11-09 07:08:53,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 1010 places, 1156 transitions, 2328 flow [2024-11-09 07:08:53,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1010 places, 1156 transitions, 2328 flow [2024-11-09 07:08:53,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:53,450 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;@7864baf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:53,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-09 07:08:53,453 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:08:53,453 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2024-11-09 07:08:53,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:08:53,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:53,453 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] [2024-11-09 07:08:53,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-09 07:08:53,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:53,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1934865454, now seen corresponding path program 1 times [2024-11-09 07:08:53,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:53,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999169863] [2024-11-09 07:08:53,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:53,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:53,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:53,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:53,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999169863] [2024-11-09 07:08:53,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999169863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:53,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:53,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:08:53,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256734587] [2024-11-09 07:08:53,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:53,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:08:53,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:53,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:08:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:08:53,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 994 out of 1156 [2024-11-09 07:08:53,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1010 places, 1156 transitions, 2328 flow. Second operand has 2 states, 2 states have (on average 995.0) internal successors, (1990), 2 states have internal predecessors, (1990), 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) [2024-11-09 07:08:53,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:53,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 994 of 1156 [2024-11-09 07:08:53,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:54,309 INFO L124 PetriNetUnfolderBase]: 130/4001 cut-off events. [2024-11-09 07:08:54,309 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-09 07:08:54,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4172 conditions, 4001 events. 130/4001 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 31655 event pairs, 54 based on Foata normal form. 908/4578 useless extension candidates. Maximal degree in co-relation 737. Up to 129 conditions per place. [2024-11-09 07:08:54,385 INFO L140 encePairwiseOnDemand]: 1015/1156 looper letters, 18 selfloop transitions, 0 changer transitions 10/975 dead transitions. [2024-11-09 07:08:54,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 975 transitions, 2002 flow [2024-11-09 07:08:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:08:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-09 07:08:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2147 transitions. [2024-11-09 07:08:54,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9286332179930796 [2024-11-09 07:08:54,389 INFO L175 Difference]: Start difference. First operand has 1010 places, 1156 transitions, 2328 flow. Second operand 2 states and 2147 transitions. [2024-11-09 07:08:54,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 975 transitions, 2002 flow [2024-11-09 07:08:54,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 975 transitions, 2002 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:54,401 INFO L231 Difference]: Finished difference. Result has 960 places, 965 transitions, 1946 flow [2024-11-09 07:08:54,403 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=1966, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=975, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1946, PETRI_PLACES=960, PETRI_TRANSITIONS=965} [2024-11-09 07:08:54,403 INFO L277 CegarLoopForPetriNet]: 1010 programPoint places, -50 predicate places. [2024-11-09 07:08:54,403 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 965 transitions, 1946 flow [2024-11-09 07:08:54,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 995.0) internal successors, (1990), 2 states have internal predecessors, (1990), 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) [2024-11-09 07:08:54,404 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:54,405 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] [2024-11-09 07:08:54,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:08:54,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-09 07:08:54,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:54,405 INFO L85 PathProgramCache]: Analyzing trace with hash -423089149, now seen corresponding path program 1 times [2024-11-09 07:08:54,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:54,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258742418] [2024-11-09 07:08:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:54,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:54,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258742418] [2024-11-09 07:08:54,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258742418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:54,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:54,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:54,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930357892] [2024-11-09 07:08:54,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:54,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:54,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:54,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:55,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 847 out of 1156 [2024-11-09 07:08:55,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 965 transitions, 1946 flow. Second operand has 6 states, 6 states have (on average 848.3333333333334) internal successors, (5090), 6 states have internal predecessors, (5090), 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) [2024-11-09 07:08:55,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:55,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 847 of 1156 [2024-11-09 07:08:55,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand