./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 f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-f8ab0bd-m [2025-03-13 22:31:32,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:31:32,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:31:32,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:31:32,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:31:32,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:31:32,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:31:32,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:31:32,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:31:32,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:31:32,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:31:32,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:31:32,111 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:31:32,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:31:32,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:31:32,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:31:32,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:32,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:31:32,114 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 [2025-03-13 22:31:32,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:31:32,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:31:32,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:31:32,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:31:32,331 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:31:32,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_spsc.i [2025-03-13 22:31:33,448 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cef66e9/33e6da4644e041c68d5c0ea894a489db/FLAG48342992c [2025-03-13 22:31:34,043 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:31:34,045 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_spsc.i [2025-03-13 22:31:34,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cef66e9/33e6da4644e041c68d5c0ea894a489db/FLAG48342992c [2025-03-13 22:31:34,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cef66e9/33e6da4644e041c68d5c0ea894a489db [2025-03-13 22:31:34,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:31:34,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:31:34,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:34,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:31:34,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:31:34,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:34" (1/1) ... [2025-03-13 22:31:34,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebefc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:34, skipping insertion in model container [2025-03-13 22:31:34,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:34" (1/1) ... [2025-03-13 22:31:34,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:31:36,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:36,086 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:31:36,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4397] [2025-03-13 22:31:36,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4399] [2025-03-13 22:31:36,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4404] [2025-03-13 22:31:36,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4406] [2025-03-13 22:31:36,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4412] [2025-03-13 22:31:36,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2025-03-13 22:31:36,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4420] [2025-03-13 22:31:36,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4422] [2025-03-13 22:31:36,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4428] [2025-03-13 22:31:36,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4430] [2025-03-13 22:31:36,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4436] [2025-03-13 22:31:36,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4438] [2025-03-13 22:31:36,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2025-03-13 22:31:36,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4446] [2025-03-13 22:31:36,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4452] [2025-03-13 22:31:36,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4454] [2025-03-13 22:31:36,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4459] [2025-03-13 22:31:36,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4461] [2025-03-13 22:31:36,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4466] [2025-03-13 22:31:36,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4468] [2025-03-13 22:31:36,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2025-03-13 22:31:36,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4475] [2025-03-13 22:31:36,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2025-03-13 22:31:36,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4482] [2025-03-13 22:31:36,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4487] [2025-03-13 22:31:36,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4489] [2025-03-13 22:31:36,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4494] [2025-03-13 22:31:36,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4497] [2025-03-13 22:31:36,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2025-03-13 22:31:36,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4506] [2025-03-13 22:31:36,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4512] [2025-03-13 22:31:36,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4515] [2025-03-13 22:31:36,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4521] [2025-03-13 22:31:36,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4524] [2025-03-13 22:31:36,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4530] [2025-03-13 22:31:36,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4533] [2025-03-13 22:31:36,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4539] [2025-03-13 22:31:36,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4542] [2025-03-13 22:31:36,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2025-03-13 22:31:36,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4552] [2025-03-13 22:31:36,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4559] [2025-03-13 22:31:36,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4562] [2025-03-13 22:31:36,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4569] [2025-03-13 22:31:36,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4572] [2025-03-13 22:31:36,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4579] [2025-03-13 22:31:36,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2025-03-13 22:31:36,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4589] [2025-03-13 22:31:36,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4592] [2025-03-13 22:31:36,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4599] [2025-03-13 22:31:36,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4602] [2025-03-13 22:31:36,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4608] [2025-03-13 22:31:36,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4611] [2025-03-13 22:31:36,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4617] [2025-03-13 22:31:36,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4620] [2025-03-13 22:31:36,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4626] [2025-03-13 22:31:36,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4629] [2025-03-13 22:31:36,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4635] [2025-03-13 22:31:36,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4638] [2025-03-13 22:31:36,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4644] [2025-03-13 22:31:36,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4647] [2025-03-13 22:31:36,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4653] [2025-03-13 22:31:36,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2025-03-13 22:31:36,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2025-03-13 22:31:36,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4665] [2025-03-13 22:31:36,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4671] [2025-03-13 22:31:36,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4674] [2025-03-13 22:31:36,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2025-03-13 22:31:36,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4683] [2025-03-13 22:31:36,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4689] [2025-03-13 22:31:36,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4692] [2025-03-13 22:31:36,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4698] [2025-03-13 22:31:36,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4701] [2025-03-13 22:31:36,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4707] [2025-03-13 22:31:36,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2025-03-13 22:31:36,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4716] [2025-03-13 22:31:36,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4719] [2025-03-13 22:31:36,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4725] [2025-03-13 22:31:36,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2025-03-13 22:31:36,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4734] [2025-03-13 22:31:36,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4737] [2025-03-13 22:31:36,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4743] [2025-03-13 22:31:36,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4745] [2025-03-13 22:31:36,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4751] [2025-03-13 22:31:36,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4753] [2025-03-13 22:31:36,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4759] [2025-03-13 22:31:36,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4761] [2025-03-13 22:31:36,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4767] [2025-03-13 22:31:36,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4769] [2025-03-13 22:31:36,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4775] [2025-03-13 22:31:36,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4777] [2025-03-13 22:31:36,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4783] [2025-03-13 22:31:36,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4785] [2025-03-13 22:31:36,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4791] [2025-03-13 22:31:36,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4793] [2025-03-13 22:31:36,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4799] [2025-03-13 22:31:36,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4801] [2025-03-13 22:31:36,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4807] [2025-03-13 22:31:36,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4809] [2025-03-13 22:31:36,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4815] [2025-03-13 22:31:36,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4817] [2025-03-13 22:31:36,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:36,460 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:31:36,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36 WrapperNode [2025-03-13 22:31:36,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:36,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:36,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:31:36,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:31:36,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,587 INFO L138 Inliner]: procedures = 948, calls = 963, calls flagged for inlining = 823, calls inlined = 39, statements flattened = 571 [2025-03-13 22:31:36,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:36,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:31:36,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:31:36,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:31:36,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:31:36,648 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:31:36,648 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:31:36,649 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:31:36,650 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (1/1) ... [2025-03-13 22:31:36,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:36,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:36,680 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) [2025-03-13 22:31:36,682 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 [2025-03-13 22:31:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:31:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-13 22:31:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:31:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-13 22:31:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:31:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-13 22:31:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-13 22:31:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:31:36,701 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:31:36,825 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:31:36,827 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:31:37,163 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6110: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-13 22:31:37,163 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6110-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-13 22:31:37,769 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2527: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-13 22:31:37,770 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2527-9: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-13 22:31:37,770 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2527-18: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-13 22:31:37,770 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2532: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-13 22:31:37,771 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:31:37,771 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:31:37,771 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:31:37,876 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:31:37,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:37 BoogieIcfgContainer [2025-03-13 22:31:37,877 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:31:37,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:31:37,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:31:37,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:31:37,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:31:34" (1/3) ... [2025-03-13 22:31:37,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51324de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:37, skipping insertion in model container [2025-03-13 22:31:37,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:36" (2/3) ... [2025-03-13 22:31:37,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51324de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:37, skipping insertion in model container [2025-03-13 22:31:37,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:37" (3/3) ... [2025-03-13 22:31:37,885 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_spsc.i [2025-03-13 22:31:37,915 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:31:37,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_spsc.i that has 2 procedures, 584 locations, 1 initial locations, 21 loop locations, and 29 error locations. [2025-03-13 22:31:37,917 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:31:38,104 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-13 22:31:38,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 587 places, 663 transitions, 1333 flow [2025-03-13 22:31:38,309 INFO L124 PetriNetUnfolderBase]: 79/693 cut-off events. [2025-03-13 22:31:38,311 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:31:38,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 693 events. 79/693 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1757 event pairs, 0 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 504. Up to 4 conditions per place. [2025-03-13 22:31:38,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 587 places, 663 transitions, 1333 flow [2025-03-13 22:31:38,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 587 places, 663 transitions, 1333 flow [2025-03-13 22:31:38,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:31:38,352 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;@6107a501, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:31:38,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2025-03-13 22:31:38,360 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:31:38,361 INFO L124 PetriNetUnfolderBase]: 8/66 cut-off events. [2025-03-13 22:31:38,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:31:38,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:38,362 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:38,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:38,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:38,367 INFO L85 PathProgramCache]: Analyzing trace with hash 371196569, now seen corresponding path program 1 times [2025-03-13 22:31:38,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:38,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361464569] [2025-03-13 22:31:38,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:38,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-13 22:31:38,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-13 22:31:38,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:38,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:38,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:38,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361464569] [2025-03-13 22:31:38,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361464569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:38,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:38,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:38,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888481611] [2025-03-13 22:31:38,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:38,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:31:38,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:38,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:31:38,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:31:38,574 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 663 [2025-03-13 22:31:38,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 663 transitions, 1333 flow. Second operand has 2 states, 2 states have (on average 578.0) internal successors, (1156), 2 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:38,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:38,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 663 [2025-03-13 22:31:38,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:38,725 INFO L124 PetriNetUnfolderBase]: 11/595 cut-off events. [2025-03-13 22:31:38,725 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:31:38,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 595 events. 11/595 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1435 event pairs, 0 based on Foata normal form. 52/600 useless extension candidates. Maximal degree in co-relation 434. Up to 11 conditions per place. [2025-03-13 22:31:38,730 INFO L140 encePairwiseOnDemand]: 589/663 looper letters, 10 selfloop transitions, 0 changer transitions 10/565 dead transitions. [2025-03-13 22:31:38,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 565 transitions, 1157 flow [2025-03-13 22:31:38,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:31:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:31:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1238 transitions. [2025-03-13 22:31:38,748 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9336349924585219 [2025-03-13 22:31:38,749 INFO L175 Difference]: Start difference. First operand has 587 places, 663 transitions, 1333 flow. Second operand 2 states and 1238 transitions. [2025-03-13 22:31:38,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 565 transitions, 1157 flow [2025-03-13 22:31:38,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 565 transitions, 1157 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:38,770 INFO L231 Difference]: Finished difference. Result has 558 places, 555 transitions, 1117 flow [2025-03-13 22:31:38,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1117, PETRI_PLACES=558, PETRI_TRANSITIONS=555} [2025-03-13 22:31:38,776 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -29 predicate places. [2025-03-13 22:31:38,776 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 555 transitions, 1117 flow [2025-03-13 22:31:38,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 578.0) internal successors, (1156), 2 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:38,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:38,777 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:38,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:31:38,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1961293541, now seen corresponding path program 1 times [2025-03-13 22:31:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:38,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922954288] [2025-03-13 22:31:38,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:38,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-13 22:31:38,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-13 22:31:38,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:38,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:39,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:39,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922954288] [2025-03-13 22:31:39,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922954288] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:39,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:39,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609290276] [2025-03-13 22:31:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:39,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:39,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:39,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:39,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:40,035 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 663 [2025-03-13 22:31:40,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 555 transitions, 1117 flow. Second operand has 6 states, 6 states have (on average 491.3333333333333) internal successors, (2948), 6 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:40,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:40,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 663 [2025-03-13 22:31:40,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:40,475 INFO L124 PetriNetUnfolderBase]: 612/3834 cut-off events. [2025-03-13 22:31:40,475 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-13 22:31:40,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5027 conditions, 3834 events. 612/3834 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 30691 event pairs, 528 based on Foata normal form. 0/3509 useless extension candidates. Maximal degree in co-relation 5023. Up to 1181 conditions per place. [2025-03-13 22:31:40,490 INFO L140 encePairwiseOnDemand]: 657/663 looper letters, 91 selfloop transitions, 5 changer transitions 0/554 dead transitions. [2025-03-13 22:31:40,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 554 transitions, 1307 flow [2025-03-13 22:31:40,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3037 transitions. [2025-03-13 22:31:40,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634489693313222 [2025-03-13 22:31:40,496 INFO L175 Difference]: Start difference. First operand has 558 places, 555 transitions, 1117 flow. Second operand 6 states and 3037 transitions. [2025-03-13 22:31:40,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 554 transitions, 1307 flow [2025-03-13 22:31:40,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 554 transitions, 1307 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:40,505 INFO L231 Difference]: Finished difference. Result has 552 places, 554 transitions, 1125 flow [2025-03-13 22:31:40,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1125, PETRI_PLACES=552, PETRI_TRANSITIONS=554} [2025-03-13 22:31:40,506 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -35 predicate places. [2025-03-13 22:31:40,506 INFO L471 AbstractCegarLoop]: Abstraction has has 552 places, 554 transitions, 1125 flow [2025-03-13 22:31:40,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 491.3333333333333) internal successors, (2948), 6 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:40,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:40,508 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:40,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:31:40,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:40,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash 332911309, now seen corresponding path program 1 times [2025-03-13 22:31:40,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:40,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874210552] [2025-03-13 22:31:40,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:40,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-13 22:31:40,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-13 22:31:40,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:40,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:40,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:40,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874210552] [2025-03-13 22:31:40,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874210552] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:40,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:40,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:40,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615648985] [2025-03-13 22:31:40,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:40,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:40,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:40,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:41,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 663 [2025-03-13 22:31:41,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 554 transitions, 1125 flow. Second operand has 6 states, 6 states have (on average 491.3333333333333) internal successors, (2948), 6 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:41,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 663 [2025-03-13 22:31:41,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:42,007 INFO L124 PetriNetUnfolderBase]: 612/3833 cut-off events. [2025-03-13 22:31:42,008 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-13 22:31:42,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5032 conditions, 3833 events. 612/3833 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 30736 event pairs, 528 based on Foata normal form. 0/3509 useless extension candidates. Maximal degree in co-relation 5027. Up to 1181 conditions per place. [2025-03-13 22:31:42,024 INFO L140 encePairwiseOnDemand]: 657/663 looper letters, 91 selfloop transitions, 5 changer transitions 0/553 dead transitions. [2025-03-13 22:31:42,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 553 transitions, 1315 flow [2025-03-13 22:31:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3037 transitions. [2025-03-13 22:31:42,031 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634489693313222 [2025-03-13 22:31:42,031 INFO L175 Difference]: Start difference. First operand has 552 places, 554 transitions, 1125 flow. Second operand 6 states and 3037 transitions. [2025-03-13 22:31:42,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 553 transitions, 1315 flow [2025-03-13 22:31:42,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 553 transitions, 1305 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:42,037 INFO L231 Difference]: Finished difference. Result has 551 places, 553 transitions, 1123 flow [2025-03-13 22:31:42,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1123, PETRI_PLACES=551, PETRI_TRANSITIONS=553} [2025-03-13 22:31:42,038 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -36 predicate places. [2025-03-13 22:31:42,038 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 553 transitions, 1123 flow [2025-03-13 22:31:42,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 491.3333333333333) internal successors, (2948), 6 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:42,039 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:42,039 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:42,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:31:42,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:42,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1521335713, now seen corresponding path program 1 times [2025-03-13 22:31:42,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:42,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690786396] [2025-03-13 22:31:42,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:42,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:42,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-13 22:31:42,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-13 22:31:42,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:42,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:42,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:42,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690786396] [2025-03-13 22:31:42,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690786396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:42,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:42,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:42,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383122481] [2025-03-13 22:31:42,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:42,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:42,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:42,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:42,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:43,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 663 [2025-03-13 22:31:43,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 553 transitions, 1123 flow. Second operand has 6 states, 6 states have (on average 485.1666666666667) internal successors, (2911), 6 states have internal predecessors, (2911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:43,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:43,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 663 [2025-03-13 22:31:43,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:44,075 INFO L124 PetriNetUnfolderBase]: 687/4240 cut-off events. [2025-03-13 22:31:44,075 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-13 22:31:44,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5583 conditions, 4240 events. 687/4240 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 35957 event pairs, 594 based on Foata normal form. 0/3881 useless extension candidates. Maximal degree in co-relation 5578. Up to 1325 conditions per place. [2025-03-13 22:31:44,087 INFO L140 encePairwiseOnDemand]: 657/663 looper letters, 99 selfloop transitions, 5 changer transitions 0/552 dead transitions. [2025-03-13 22:31:44,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 552 transitions, 1329 flow [2025-03-13 22:31:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2997 transitions. [2025-03-13 22:31:44,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.753393665158371 [2025-03-13 22:31:44,093 INFO L175 Difference]: Start difference. First operand has 551 places, 553 transitions, 1123 flow. Second operand 6 states and 2997 transitions. [2025-03-13 22:31:44,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 552 transitions, 1329 flow [2025-03-13 22:31:44,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 552 transitions, 1319 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:44,102 INFO L231 Difference]: Finished difference. Result has 550 places, 552 transitions, 1121 flow [2025-03-13 22:31:44,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1111, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1121, PETRI_PLACES=550, PETRI_TRANSITIONS=552} [2025-03-13 22:31:44,103 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -37 predicate places. [2025-03-13 22:31:44,103 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 552 transitions, 1121 flow [2025-03-13 22:31:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 485.1666666666667) internal successors, (2911), 6 states have internal predecessors, (2911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,106 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:44,106 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:44,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:31:44,106 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:44,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash -981602243, now seen corresponding path program 1 times [2025-03-13 22:31:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198694211] [2025-03-13 22:31:44,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:44,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-13 22:31:44,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-13 22:31:44,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:44,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:44,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:44,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198694211] [2025-03-13 22:31:44,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198694211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:44,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:31:44,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339611265] [2025-03-13 22:31:44,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:44,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:44,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:44,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:44,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:44,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 663 [2025-03-13 22:31:44,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 552 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:44,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 663 [2025-03-13 22:31:44,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:44,322 INFO L124 PetriNetUnfolderBase]: 17/622 cut-off events. [2025-03-13 22:31:44,322 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:31:44,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 622 events. 17/622 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1668 event pairs, 6 based on Foata normal form. 1/576 useless extension candidates. Maximal degree in co-relation 665. Up to 30 conditions per place. [2025-03-13 22:31:44,325 INFO L140 encePairwiseOnDemand]: 660/663 looper letters, 15 selfloop transitions, 2 changer transitions 0/553 dead transitions. [2025-03-13 22:31:44,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 553 transitions, 1157 flow [2025-03-13 22:31:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1731 transitions. [2025-03-13 22:31:44,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8702865761689291 [2025-03-13 22:31:44,329 INFO L175 Difference]: Start difference. First operand has 550 places, 552 transitions, 1121 flow. Second operand 3 states and 1731 transitions. [2025-03-13 22:31:44,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 553 transitions, 1157 flow [2025-03-13 22:31:44,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 553 transitions, 1147 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:44,339 INFO L231 Difference]: Finished difference. Result has 548 places, 553 transitions, 1123 flow [2025-03-13 22:31:44,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1111, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1123, PETRI_PLACES=548, PETRI_TRANSITIONS=553} [2025-03-13 22:31:44,341 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -39 predicate places. [2025-03-13 22:31:44,341 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 553 transitions, 1123 flow [2025-03-13 22:31:44,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,343 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:44,343 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:44,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:31:44,343 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:44,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1918946676, now seen corresponding path program 1 times [2025-03-13 22:31:44,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:44,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020315611] [2025-03-13 22:31:44,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:44,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:44,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-13 22:31:44,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-13 22:31:44,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:44,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-13 22:31:45,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:45,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020315611] [2025-03-13 22:31:45,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020315611] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:45,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:45,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:45,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279994108] [2025-03-13 22:31:45,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:45,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:45,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:45,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:45,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:46,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 532 out of 663 [2025-03-13 22:31:46,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 553 transitions, 1123 flow. Second operand has 6 states, 6 states have (on average 535.8333333333334) internal successors, (3215), 6 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:46,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:46,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 532 of 663 [2025-03-13 22:31:46,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:46,557 INFO L124 PetriNetUnfolderBase]: 161/2301 cut-off events. [2025-03-13 22:31:46,557 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-13 22:31:46,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2615 conditions, 2301 events. 161/2301 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14766 event pairs, 110 based on Foata normal form. 0/2103 useless extension candidates. Maximal degree in co-relation 2609. Up to 291 conditions per place. [2025-03-13 22:31:46,567 INFO L140 encePairwiseOnDemand]: 657/663 looper letters, 49 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2025-03-13 22:31:46,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 552 transitions, 1231 flow [2025-03-13 22:31:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3247 transitions. [2025-03-13 22:31:46,573 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8162393162393162 [2025-03-13 22:31:46,573 INFO L175 Difference]: Start difference. First operand has 548 places, 553 transitions, 1123 flow. Second operand 6 states and 3247 transitions. [2025-03-13 22:31:46,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 552 transitions, 1231 flow [2025-03-13 22:31:46,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 552 transitions, 1229 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:31:46,580 INFO L231 Difference]: Finished difference. Result has 551 places, 552 transitions, 1131 flow [2025-03-13 22:31:46,580 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1131, PETRI_PLACES=551, PETRI_TRANSITIONS=552} [2025-03-13 22:31:46,581 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -36 predicate places. [2025-03-13 22:31:46,581 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 552 transitions, 1131 flow [2025-03-13 22:31:46,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 535.8333333333334) internal successors, (3215), 6 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:46,583 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:46,583 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:46,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:31:46,583 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:46,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:46,584 INFO L85 PathProgramCache]: Analyzing trace with hash 277477482, now seen corresponding path program 1 times [2025-03-13 22:31:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:46,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515987432] [2025-03-13 22:31:46,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:46,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:46,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-13 22:31:46,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-13 22:31:46,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:46,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-13 22:31:47,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:47,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515987432] [2025-03-13 22:31:47,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515987432] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:47,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:47,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:47,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393065805] [2025-03-13 22:31:47,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:47,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:47,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:47,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:47,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:48,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 663 [2025-03-13 22:31:48,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 552 transitions, 1131 flow. Second operand has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:48,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:48,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 663 [2025-03-13 22:31:48,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:49,358 INFO L124 PetriNetUnfolderBase]: 1487/7904 cut-off events. [2025-03-13 22:31:49,358 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-13 22:31:49,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10820 conditions, 7904 events. 1487/7904 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 73559 event pairs, 594 based on Foata normal form. 0/7226 useless extension candidates. Maximal degree in co-relation 10814. Up to 2486 conditions per place. [2025-03-13 22:31:49,389 INFO L140 encePairwiseOnDemand]: 590/663 looper letters, 104 selfloop transitions, 270 changer transitions 0/821 dead transitions. [2025-03-13 22:31:49,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 821 transitions, 2417 flow [2025-03-13 22:31:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3267 transitions. [2025-03-13 22:31:49,395 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8212669683257918 [2025-03-13 22:31:49,395 INFO L175 Difference]: Start difference. First operand has 551 places, 552 transitions, 1131 flow. Second operand 6 states and 3267 transitions. [2025-03-13 22:31:49,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 821 transitions, 2417 flow [2025-03-13 22:31:49,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 821 transitions, 2405 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:49,405 INFO L231 Difference]: Finished difference. Result has 556 places, 821 transitions, 2881 flow [2025-03-13 22:31:49,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2881, PETRI_PLACES=556, PETRI_TRANSITIONS=821} [2025-03-13 22:31:49,407 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -31 predicate places. [2025-03-13 22:31:49,407 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 821 transitions, 2881 flow [2025-03-13 22:31:49,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:49,408 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:49,408 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:49,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:31:49,408 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:49,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1123741608, now seen corresponding path program 1 times [2025-03-13 22:31:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:49,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549111462] [2025-03-13 22:31:49,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:49,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-13 22:31:49,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-13 22:31:49,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:49,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-13 22:31:50,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:50,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549111462] [2025-03-13 22:31:50,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549111462] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:50,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:50,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:50,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91268359] [2025-03-13 22:31:50,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:50,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:50,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:50,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:50,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:50,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 532 out of 663 [2025-03-13 22:31:50,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 821 transitions, 2881 flow. Second operand has 6 states, 6 states have (on average 535.6666666666666) internal successors, (3214), 6 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:50,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:50,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 532 of 663 [2025-03-13 22:31:50,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:52,203 INFO L124 PetriNetUnfolderBase]: 980/7928 cut-off events. [2025-03-13 22:31:52,203 INFO L125 PetriNetUnfolderBase]: For 1003/1517 co-relation queries the response was YES. [2025-03-13 22:31:52,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12094 conditions, 7928 events. 980/7928 cut-off events. For 1003/1517 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 73994 event pairs, 96 based on Foata normal form. 59/7401 useless extension candidates. Maximal degree in co-relation 12084. Up to 1545 conditions per place. [2025-03-13 22:31:52,246 INFO L140 encePairwiseOnDemand]: 638/663 looper letters, 159 selfloop transitions, 77 changer transitions 7/915 dead transitions. [2025-03-13 22:31:52,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 915 transitions, 3728 flow [2025-03-13 22:31:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3342 transitions. [2025-03-13 22:31:52,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8401206636500754 [2025-03-13 22:31:52,252 INFO L175 Difference]: Start difference. First operand has 556 places, 821 transitions, 2881 flow. Second operand 6 states and 3342 transitions. [2025-03-13 22:31:52,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 915 transitions, 3728 flow [2025-03-13 22:31:52,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 915 transitions, 3728 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:52,276 INFO L231 Difference]: Finished difference. Result has 566 places, 892 transitions, 3518 flow [2025-03-13 22:31:52,277 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=2881, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=821, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=798, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3518, PETRI_PLACES=566, PETRI_TRANSITIONS=892} [2025-03-13 22:31:52,278 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -21 predicate places. [2025-03-13 22:31:52,278 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 892 transitions, 3518 flow [2025-03-13 22:31:52,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 535.6666666666666) internal successors, (3214), 6 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:52,281 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:52,281 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:52,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:31:52,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:52,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1100166974, now seen corresponding path program 1 times [2025-03-13 22:31:52,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:52,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468161585] [2025-03-13 22:31:52,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:52,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-13 22:31:52,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-13 22:31:52,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:52,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-13 22:31:52,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:52,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468161585] [2025-03-13 22:31:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468161585] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388271036] [2025-03-13 22:31:52,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:52,518 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) [2025-03-13 22:31:52,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-13 22:31:52,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-13 22:31:52,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-13 22:31:52,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:52,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:52,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-13 22:31:52,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:52,816 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 [2025-03-13 22:31:52,832 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 [2025-03-13 22:31:52,846 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 [2025-03-13 22:31:52,872 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 [2025-03-13 22:31:52,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:52,880 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 [2025-03-13 22:31:52,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-13 22:31:53,000 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-13 22:31:53,000 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 [2025-03-13 22:31:53,112 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 [2025-03-13 22:31:53,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:53,119 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 [2025-03-13 22:31:53,142 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-13 22:31:53,143 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-13 22:31:53,149 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-13 22:31:53,150 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 [2025-03-13 22:31:53,245 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 [2025-03-13 22:31:53,251 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:53,251 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 [2025-03-13 22:31:53,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:53,330 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 [2025-03-13 22:31:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-13 22:31:53,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-13 22:31:53,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388271036] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:53,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-13 22:31:53,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-13 22:31:53,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144949] [2025-03-13 22:31:53,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:53,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:53,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:53,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:53,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:31:54,351 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 535 out of 663 [2025-03-13 22:31:54,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 892 transitions, 3518 flow. Second operand has 6 states, 6 states have (on average 539.3333333333334) internal successors, (3236), 6 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:54,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:54,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 535 of 663 [2025-03-13 22:31:54,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:55,065 INFO L124 PetriNetUnfolderBase]: 831/6244 cut-off events. [2025-03-13 22:31:55,065 INFO L125 PetriNetUnfolderBase]: For 1616/1911 co-relation queries the response was YES. [2025-03-13 22:31:55,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10626 conditions, 6244 events. 831/6244 cut-off events. For 1616/1911 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 54256 event pairs, 15 based on Foata normal form. 1/5855 useless extension candidates. Maximal degree in co-relation 10611. Up to 1252 conditions per place. [2025-03-13 22:31:55,093 INFO L140 encePairwiseOnDemand]: 652/663 looper letters, 221 selfloop transitions, 40 changer transitions 0/923 dead transitions. [2025-03-13 22:31:55,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 923 transitions, 4192 flow [2025-03-13 22:31:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3283 transitions. [2025-03-13 22:31:55,098 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8252890899949723 [2025-03-13 22:31:55,098 INFO L175 Difference]: Start difference. First operand has 566 places, 892 transitions, 3518 flow. Second operand 6 states and 3283 transitions. [2025-03-13 22:31:55,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 923 transitions, 4192 flow [2025-03-13 22:31:55,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 923 transitions, 4192 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:55,117 INFO L231 Difference]: Finished difference. Result has 572 places, 923 transitions, 3870 flow [2025-03-13 22:31:55,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=3518, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=864, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3870, PETRI_PLACES=572, PETRI_TRANSITIONS=923} [2025-03-13 22:31:55,118 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -15 predicate places. [2025-03-13 22:31:55,118 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 923 transitions, 3870 flow [2025-03-13 22:31:55,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 539.3333333333334) internal successors, (3236), 6 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:55,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:55,120 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:55,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-13 22:31:55,320 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 [2025-03-13 22:31:55,321 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:55,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:55,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2116487156, now seen corresponding path program 1 times [2025-03-13 22:31:55,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:55,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288033895] [2025-03-13 22:31:55,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:55,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:55,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-13 22:31:55,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-13 22:31:55,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:55,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-13 22:31:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288033895] [2025-03-13 22:31:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288033895] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366231255] [2025-03-13 22:31:55,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:55,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:55,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:55,502 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) [2025-03-13 22:31:55,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-13 22:31:55,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-13 22:31:55,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-13 22:31:55,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:55,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:55,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-13 22:31:55,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-13 22:31:55,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:31:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-13 22:31:55,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366231255] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-13 22:31:55,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-13 22:31:55,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-13 22:31:55,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362896082] [2025-03-13 22:31:55,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-13 22:31:55,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-13 22:31:55,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:55,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-13 22:31:55,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:31:55,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 663 [2025-03-13 22:31:55,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 923 transitions, 3870 flow. Second operand has 9 states, 9 states have (on average 570.2222222222222) internal successors, (5132), 9 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:55,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:55,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 663 [2025-03-13 22:31:55,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:56,649 INFO L124 PetriNetUnfolderBase]: 794/6209 cut-off events. [2025-03-13 22:31:56,649 INFO L125 PetriNetUnfolderBase]: For 1598/1739 co-relation queries the response was YES. [2025-03-13 22:31:56,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10263 conditions, 6209 events. 794/6209 cut-off events. For 1598/1739 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 54013 event pairs, 9 based on Foata normal form. 3/5834 useless extension candidates. Maximal degree in co-relation 10243. Up to 1259 conditions per place. [2025-03-13 22:31:56,679 INFO L140 encePairwiseOnDemand]: 657/663 looper letters, 50 selfloop transitions, 9 changer transitions 0/931 dead transitions. [2025-03-13 22:31:56,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 931 transitions, 4006 flow [2025-03-13 22:31:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-13 22:31:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-13 22:31:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5141 transitions. [2025-03-13 22:31:56,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.861571979219038 [2025-03-13 22:31:56,685 INFO L175 Difference]: Start difference. First operand has 572 places, 923 transitions, 3870 flow. Second operand 9 states and 5141 transitions. [2025-03-13 22:31:56,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 931 transitions, 4006 flow [2025-03-13 22:31:56,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 931 transitions, 3988 flow, removed 9 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:56,711 INFO L231 Difference]: Finished difference. Result has 583 places, 929 transitions, 3902 flow [2025-03-13 22:31:56,712 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=663, PETRI_DIFFERENCE_MINUEND_FLOW=3852, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3902, PETRI_PLACES=583, PETRI_TRANSITIONS=929} [2025-03-13 22:31:56,712 INFO L279 CegarLoopForPetriNet]: 587 programPoint places, -4 predicate places. [2025-03-13 22:31:56,712 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 929 transitions, 3902 flow [2025-03-13 22:31:56,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 570.2222222222222) internal successors, (5132), 9 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:56,714 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:56,714 INFO L206 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] [2025-03-13 22:31:56,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-13 22:31:56,914 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 [2025-03-13 22:31:56,915 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2025-03-13 22:31:56,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:56,915 INFO L85 PathProgramCache]: Analyzing trace with hash 286975630, now seen corresponding path program 2 times [2025-03-13 22:31:56,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:56,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514403723] [2025-03-13 22:31:56,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-13 22:31:56,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:56,942 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 188 statements into 2 equivalence classes. [2025-03-13 22:31:57,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 188 of 188 statements. [2025-03-13 22:31:57,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-13 22:31:57,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:31:57,016 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:31:57,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-13 22:31:57,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-13 22:31:57,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:57,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:31:57,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:31:57,119 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:31:57,120 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2025-03-13 22:31:57,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2025-03-13 22:31:57,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2025-03-13 22:31:57,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2025-03-13 22:31:57,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2025-03-13 22:31:57,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2025-03-13 22:31:57,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2025-03-13 22:31:57,124 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2025-03-13 22:31:57,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-13 22:31:57,124 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:57,126 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:31:57,126 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-13 22:31:57,239 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:31:57,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 994 places, 1133 transitions, 2282 flow [2025-03-13 22:31:57,478 INFO L124 PetriNetUnfolderBase]: 145/1225 cut-off events. [2025-03-13 22:31:57,478 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-13 22:31:57,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1237 conditions, 1225 events. 145/1225 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4862 event pairs, 0 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 994. Up to 6 conditions per place. [2025-03-13 22:31:57,500 INFO L82 GeneralOperation]: Start removeDead. Operand has 994 places, 1133 transitions, 2282 flow [2025-03-13 22:31:57,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 994 places, 1133 transitions, 2282 flow [2025-03-13 22:31:57,511 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:31:57,512 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;@6107a501, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:31:57,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2025-03-13 22:31:57,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:31:57,517 INFO L124 PetriNetUnfolderBase]: 8/66 cut-off events. [2025-03-13 22:31:57,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:31:57,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:57,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:57,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-03-13 22:31:57,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:57,518 INFO L85 PathProgramCache]: Analyzing trace with hash -68586503, now seen corresponding path program 1 times [2025-03-13 22:31:57,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:57,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508337661] [2025-03-13 22:31:57,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:57,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:57,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-13 22:31:57,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-13 22:31:57,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:57,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:57,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:57,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508337661] [2025-03-13 22:31:57,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508337661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:57,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:57,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262432209] [2025-03-13 22:31:57,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:57,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:31:57,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:57,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:31:57,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:31:57,533 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 978 out of 1133 [2025-03-13 22:31:57,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1133 transitions, 2282 flow. Second operand has 2 states, 2 states have (on average 979.0) internal successors, (1958), 2 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:57,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:57,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 978 of 1133 [2025-03-13 22:31:57,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:58,232 INFO L124 PetriNetUnfolderBase]: 130/3937 cut-off events. [2025-03-13 22:31:58,232 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2025-03-13 22:31:58,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4108 conditions, 3937 events. 130/3937 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 30890 event pairs, 54 based on Foata normal form. 626/4232 useless extension candidates. Maximal degree in co-relation 729. Up to 129 conditions per place. [2025-03-13 22:31:58,337 INFO L140 encePairwiseOnDemand]: 999/1133 looper letters, 18 selfloop transitions, 0 changer transitions 10/959 dead transitions. [2025-03-13 22:31:58,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 959 transitions, 1970 flow [2025-03-13 22:31:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:31:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:31:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2108 transitions. [2025-03-13 22:31:58,341 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302736098852604 [2025-03-13 22:31:58,341 INFO L175 Difference]: Start difference. First operand has 994 places, 1133 transitions, 2282 flow. Second operand 2 states and 2108 transitions. [2025-03-13 22:31:58,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 959 transitions, 1970 flow [2025-03-13 22:31:58,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 959 transitions, 1970 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:58,351 INFO L231 Difference]: Finished difference. Result has 944 places, 949 transitions, 1914 flow [2025-03-13 22:31:58,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1133, PETRI_DIFFERENCE_MINUEND_FLOW=1934, PETRI_DIFFERENCE_MINUEND_PLACES=943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1914, PETRI_PLACES=944, PETRI_TRANSITIONS=949} [2025-03-13 22:31:58,352 INFO L279 CegarLoopForPetriNet]: 994 programPoint places, -50 predicate places. [2025-03-13 22:31:58,352 INFO L471 AbstractCegarLoop]: Abstraction has has 944 places, 949 transitions, 1914 flow [2025-03-13 22:31:58,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 979.0) internal successors, (1958), 2 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:58,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:58,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:58,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-13 22:31:58,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-03-13 22:31:58,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:58,354 INFO L85 PathProgramCache]: Analyzing trace with hash 236592613, now seen corresponding path program 1 times [2025-03-13 22:31:58,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:58,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839080279] [2025-03-13 22:31:58,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:58,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-13 22:31:58,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-13 22:31:58,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:58,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:58,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:58,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839080279] [2025-03-13 22:31:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839080279] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:58,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:58,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:31:58,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676515169] [2025-03-13 22:31:58,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:58,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:58,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:31:59,228 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 831 out of 1133 [2025-03-13 22:31:59,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 944 places, 949 transitions, 1914 flow. Second operand has 6 states, 6 states have (on average 832.3333333333334) internal successors, (4994), 6 states have internal predecessors, (4994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:59,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:59,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 831 of 1133 [2025-03-13 22:31:59,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand