./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/bounded_spsc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:45:43,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:45:43,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:45:43,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:45:43,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:45:43,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:45:43,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:45:43,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:45:43,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:45:43,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:45:43,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:45:43,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:45:43,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:45:43,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:45:43,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:45:43,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:45:43,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:45:43,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:45:43,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:45:43,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:45:43,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:45:43,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:45:43,364 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:45:43,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:45:43,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:45:43,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:45:43,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:45:43,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:45:43,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:45:43,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:45:43,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:45:43,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:45:43,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:45:43,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:45:43,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:45:43,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:45:43,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:45:43,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:45:43,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:45:43,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:45:43,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:45:43,369 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e [2024-11-12 12:45:43,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:45:43,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:45:43,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:45:43,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:45:43,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:45:43,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_spsc.i [2024-11-12 12:45:45,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:45:45,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:45:45,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_spsc.i [2024-11-12 12:45:45,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99cc8da6e/97ae55b3d27c42c29fdf14acb7931ee4/FLAGa18ed434c [2024-11-12 12:45:45,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99cc8da6e/97ae55b3d27c42c29fdf14acb7931ee4 [2024-11-12 12:45:45,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:45:45,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:45:45,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:45:45,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:45:45,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:45:45,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2024-11-12 12:45:45,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eedd83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:45, skipping insertion in model container [2024-11-12 12:45:45,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2024-11-12 12:45:45,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:45:48,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:45:48,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:45:48,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4397] [2024-11-12 12:45:48,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4399] [2024-11-12 12:45:48,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4404] [2024-11-12 12:45:48,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4406] [2024-11-12 12:45:48,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4412] [2024-11-12 12:45:48,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-12 12:45:48,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4420] [2024-11-12 12:45:48,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4422] [2024-11-12 12:45:48,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4428] [2024-11-12 12:45:48,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4430] [2024-11-12 12:45:48,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4436] [2024-11-12 12:45:48,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4438] [2024-11-12 12:45:48,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-12 12:45:48,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4446] [2024-11-12 12:45:48,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4452] [2024-11-12 12:45:48,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4454] [2024-11-12 12:45:48,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4459] [2024-11-12 12:45:48,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4461] [2024-11-12 12:45:48,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4466] [2024-11-12 12:45:48,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4468] [2024-11-12 12:45:48,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-12 12:45:48,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4475] [2024-11-12 12:45:48,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-12 12:45:48,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4482] [2024-11-12 12:45:48,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4487] [2024-11-12 12:45:48,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4489] [2024-11-12 12:45:48,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4494] [2024-11-12 12:45:48,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4497] [2024-11-12 12:45:48,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-12 12:45:48,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4506] [2024-11-12 12:45:48,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4512] [2024-11-12 12:45:48,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4515] [2024-11-12 12:45:48,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4521] [2024-11-12 12:45:48,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4524] [2024-11-12 12:45:48,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4530] [2024-11-12 12:45:48,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4533] [2024-11-12 12:45:48,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4539] [2024-11-12 12:45:48,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4542] [2024-11-12 12:45:48,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-12 12:45:48,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4552] [2024-11-12 12:45:48,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4559] [2024-11-12 12:45:48,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4562] [2024-11-12 12:45:48,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4569] [2024-11-12 12:45:48,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4572] [2024-11-12 12:45:48,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4579] [2024-11-12 12:45:48,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-12 12:45:48,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4589] [2024-11-12 12:45:48,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4592] [2024-11-12 12:45:48,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4599] [2024-11-12 12:45:48,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4602] [2024-11-12 12:45:48,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4608] [2024-11-12 12:45:48,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4611] [2024-11-12 12:45:48,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4617] [2024-11-12 12:45:48,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4620] [2024-11-12 12:45:48,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4626] [2024-11-12 12:45:48,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4629] [2024-11-12 12:45:48,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4635] [2024-11-12 12:45:48,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4638] [2024-11-12 12:45:48,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4644] [2024-11-12 12:45:48,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4647] [2024-11-12 12:45:48,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4653] [2024-11-12 12:45:48,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-12 12:45:48,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-12 12:45:48,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4665] [2024-11-12 12:45:48,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4671] [2024-11-12 12:45:48,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4674] [2024-11-12 12:45:48,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-12 12:45:48,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4683] [2024-11-12 12:45:48,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4689] [2024-11-12 12:45:48,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4692] [2024-11-12 12:45:48,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4698] [2024-11-12 12:45:48,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4701] [2024-11-12 12:45:48,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4707] [2024-11-12 12:45:48,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-12 12:45:48,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4716] [2024-11-12 12:45:48,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4719] [2024-11-12 12:45:48,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4725] [2024-11-12 12:45:48,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-12 12:45:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4734] [2024-11-12 12:45:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4737] [2024-11-12 12:45:48,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4743] [2024-11-12 12:45:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4745] [2024-11-12 12:45:48,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4751] [2024-11-12 12:45:48,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4753] [2024-11-12 12:45:48,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4759] [2024-11-12 12:45:48,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4761] [2024-11-12 12:45:48,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4767] [2024-11-12 12:45:48,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4769] [2024-11-12 12:45:48,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4775] [2024-11-12 12:45:48,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4777] [2024-11-12 12:45:48,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4783] [2024-11-12 12:45:48,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4785] [2024-11-12 12:45:48,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4791] [2024-11-12 12:45:48,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4793] [2024-11-12 12:45:48,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4799] [2024-11-12 12:45:48,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4801] [2024-11-12 12:45:48,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4807] [2024-11-12 12:45:48,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4809] [2024-11-12 12:45:48,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4815] [2024-11-12 12:45:48,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4817] [2024-11-12 12:45:48,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:45:48,552 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:45:48,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48 WrapperNode [2024-11-12 12:45:48,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:45:48,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:45:48,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:45:48,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:45:48,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,703 INFO L138 Inliner]: procedures = 948, calls = 963, calls flagged for inlining = 823, calls inlined = 39, statements flattened = 610 [2024-11-12 12:45:48,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:45:48,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:45:48,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:45:48,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:45:48,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:45:48,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:45:48,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:45:48,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:45:48,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (1/1) ... [2024-11-12 12:45:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:45:48,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:45:48,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:45:48,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:45:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:45:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:45:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:45:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:45:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:45:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-12 12:45:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 12:45:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:45:48,879 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:45:49,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:45:49,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:45:50,010 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:45:50,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:45:50,100 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:45:50,100 INFO L316 CfgBuilder]: Removed 51 assume(true) statements. [2024-11-12 12:45:50,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:50 BoogieIcfgContainer [2024-11-12 12:45:50,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:45:50,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:45:50,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:45:50,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:45:50,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:45" (1/3) ... [2024-11-12 12:45:50,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccb5a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:50, skipping insertion in model container [2024-11-12 12:45:50,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48" (2/3) ... [2024-11-12 12:45:50,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ccb5a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:45:50, skipping insertion in model container [2024-11-12 12:45:50,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:50" (3/3) ... [2024-11-12 12:45:50,111 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_spsc.i [2024-11-12 12:45:50,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:45:50,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-12 12:45:50,126 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:45:50,316 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 12:45:50,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 676 transitions, 1359 flow [2024-11-12 12:45:50,521 INFO L124 PetriNetUnfolderBase]: 86/708 cut-off events. [2024-11-12 12:45:50,521 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:45:50,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 708 events. 86/708 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1799 event pairs, 0 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 516. Up to 4 conditions per place. [2024-11-12 12:45:50,533 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 676 transitions, 1359 flow [2024-11-12 12:45:50,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 676 transitions, 1359 flow [2024-11-12 12:45:50,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:45:50,558 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;@376dc835, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:45:50,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-12 12:45:50,570 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:45:50,574 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2024-11-12 12:45:50,574 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:45:50,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:50,575 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] [2024-11-12 12:45:50,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:50,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1144983470, now seen corresponding path program 1 times [2024-11-12 12:45:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:50,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420929267] [2024-11-12 12:45:50,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:45:50,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420929267] [2024-11-12 12:45:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420929267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:50,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:50,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:45:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980702796] [2024-11-12 12:45:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:50,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:45:50,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:50,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:45:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:45:50,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 676 [2024-11-12 12:45:50,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 676 transitions, 1359 flow. Second operand has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:50,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:50,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 676 [2024-11-12 12:45:50,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:50,943 INFO L124 PetriNetUnfolderBase]: 11/603 cut-off events. [2024-11-12 12:45:50,944 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:45:50,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 603 events. 11/603 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1490 event pairs, 0 based on Foata normal form. 79/635 useless extension candidates. Maximal degree in co-relation 442. Up to 11 conditions per place. [2024-11-12 12:45:50,948 INFO L140 encePairwiseOnDemand]: 597/676 looper letters, 10 selfloop transitions, 0 changer transitions 10/573 dead transitions. [2024-11-12 12:45:50,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 573 transitions, 1173 flow [2024-11-12 12:45:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:45:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:45:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1259 transitions. [2024-11-12 12:45:50,962 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9312130177514792 [2024-11-12 12:45:50,963 INFO L175 Difference]: Start difference. First operand has 595 places, 676 transitions, 1359 flow. Second operand 2 states and 1259 transitions. [2024-11-12 12:45:50,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 573 transitions, 1173 flow [2024-11-12 12:45:50,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 573 transitions, 1173 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:45:50,976 INFO L231 Difference]: Finished difference. Result has 566 places, 563 transitions, 1133 flow [2024-11-12 12:45:50,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1133, PETRI_PLACES=566, PETRI_TRANSITIONS=563} [2024-11-12 12:45:50,981 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -29 predicate places. [2024-11-12 12:45:50,981 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 563 transitions, 1133 flow [2024-11-12 12:45:50,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:50,982 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:50,982 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] [2024-11-12 12:45:50,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:45:50,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:50,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1555750909, now seen corresponding path program 1 times [2024-11-12 12:45:50,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:50,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458204613] [2024-11-12 12:45:50,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:45:51,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458204613] [2024-11-12 12:45:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458204613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:51,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:51,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:51,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608059968] [2024-11-12 12:45:51,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:51,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:51,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:51,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:51,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:51,893 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-11-12 12:45:51,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 563 transitions, 1133 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:51,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:51,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-11-12 12:45:51,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:52,925 INFO L124 PetriNetUnfolderBase]: 612/3906 cut-off events. [2024-11-12 12:45:52,925 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:45:52,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5099 conditions, 3906 events. 612/3906 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31497 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5095. Up to 1181 conditions per place. [2024-11-12 12:45:52,966 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/562 dead transitions. [2024-11-12 12:45:52,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 562 transitions, 1323 flow [2024-11-12 12:45:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:45:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:45:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-11-12 12:45:52,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-11-12 12:45:52,974 INFO L175 Difference]: Start difference. First operand has 566 places, 563 transitions, 1133 flow. Second operand 6 states and 3085 transitions. [2024-11-12 12:45:52,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 562 transitions, 1323 flow [2024-11-12 12:45:52,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 562 transitions, 1323 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:45:52,991 INFO L231 Difference]: Finished difference. Result has 560 places, 562 transitions, 1141 flow [2024-11-12 12:45:52,992 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1141, PETRI_PLACES=560, PETRI_TRANSITIONS=562} [2024-11-12 12:45:52,992 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -35 predicate places. [2024-11-12 12:45:52,993 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 562 transitions, 1141 flow [2024-11-12 12:45:52,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:52,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:52,994 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] [2024-11-12 12:45:52,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:45:52,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:52,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1928621824, now seen corresponding path program 1 times [2024-11-12 12:45:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:52,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065048729] [2024-11-12 12:45:52,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:45:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065048729] [2024-11-12 12:45:53,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065048729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:53,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:53,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:53,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19013217] [2024-11-12 12:45:53,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:53,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:53,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:53,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-11-12 12:45:53,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 562 transitions, 1141 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:53,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:53,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-11-12 12:45:53,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:54,210 INFO L124 PetriNetUnfolderBase]: 612/3905 cut-off events. [2024-11-12 12:45:54,210 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:45:54,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 3905 events. 612/3905 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31451 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5099. Up to 1181 conditions per place. [2024-11-12 12:45:54,225 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/561 dead transitions. [2024-11-12 12:45:54,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 561 transitions, 1331 flow [2024-11-12 12:45:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:45:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:45:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-11-12 12:45:54,231 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-11-12 12:45:54,231 INFO L175 Difference]: Start difference. First operand has 560 places, 562 transitions, 1141 flow. Second operand 6 states and 3085 transitions. [2024-11-12 12:45:54,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 561 transitions, 1331 flow [2024-11-12 12:45:54,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 561 transitions, 1321 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:45:54,238 INFO L231 Difference]: Finished difference. Result has 559 places, 561 transitions, 1139 flow [2024-11-12 12:45:54,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=559, PETRI_TRANSITIONS=561} [2024-11-12 12:45:54,239 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-11-12 12:45:54,240 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 561 transitions, 1139 flow [2024-11-12 12:45:54,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:54,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:54,241 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] [2024-11-12 12:45:54,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:45:54,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:54,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:54,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1984799782, now seen corresponding path program 1 times [2024-11-12 12:45:54,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:54,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31856540] [2024-11-12 12:45:54,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:54,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:45:55,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31856540] [2024-11-12 12:45:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31856540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:55,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:55,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681287592] [2024-11-12 12:45:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:55,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:55,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:55,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 676 [2024-11-12 12:45:55,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:55,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:55,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 676 [2024-11-12 12:45:55,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:56,430 INFO L124 PetriNetUnfolderBase]: 687/4320 cut-off events. [2024-11-12 12:45:56,430 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-12 12:45:56,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5663 conditions, 4320 events. 687/4320 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 37063 event pairs, 594 based on Foata normal form. 0/3961 useless extension candidates. Maximal degree in co-relation 5658. Up to 1325 conditions per place. [2024-11-12 12:45:56,445 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 99 selfloop transitions, 5 changer transitions 0/560 dead transitions. [2024-11-12 12:45:56,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 560 transitions, 1345 flow [2024-11-12 12:45:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:45:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:45:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3045 transitions. [2024-11-12 12:45:56,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7507396449704142 [2024-11-12 12:45:56,451 INFO L175 Difference]: Start difference. First operand has 559 places, 561 transitions, 1139 flow. Second operand 6 states and 3045 transitions. [2024-11-12 12:45:56,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 560 transitions, 1345 flow [2024-11-12 12:45:56,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 560 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:45:56,458 INFO L231 Difference]: Finished difference. Result has 558 places, 560 transitions, 1137 flow [2024-11-12 12:45:56,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1137, PETRI_PLACES=558, PETRI_TRANSITIONS=560} [2024-11-12 12:45:56,460 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -37 predicate places. [2024-11-12 12:45:56,460 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 560 transitions, 1137 flow [2024-11-12 12:45:56,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:56,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:56,462 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] [2024-11-12 12:45:56,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:45:56,462 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:56,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1724402792, now seen corresponding path program 1 times [2024-11-12 12:45:56,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:56,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646675302] [2024-11-12 12:45:56,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:45:56,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:56,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646675302] [2024-11-12 12:45:56,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646675302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:56,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:56,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:45:56,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631116581] [2024-11-12 12:45:56,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:56,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:45:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:45:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:45:56,577 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 676 [2024-11-12 12:45:56,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 560 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:56,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:56,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 676 [2024-11-12 12:45:56,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:56,646 INFO L124 PetriNetUnfolderBase]: 17/630 cut-off events. [2024-11-12 12:45:56,646 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:45:56,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 630 events. 17/630 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1719 event pairs, 6 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 673. Up to 30 conditions per place. [2024-11-12 12:45:56,649 INFO L140 encePairwiseOnDemand]: 673/676 looper letters, 15 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-12 12:45:56,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 561 transitions, 1173 flow [2024-11-12 12:45:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:45:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:45:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1755 transitions. [2024-11-12 12:45:56,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8653846153846154 [2024-11-12 12:45:56,653 INFO L175 Difference]: Start difference. First operand has 558 places, 560 transitions, 1137 flow. Second operand 3 states and 1755 transitions. [2024-11-12 12:45:56,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 561 transitions, 1173 flow [2024-11-12 12:45:56,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 561 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:45:56,662 INFO L231 Difference]: Finished difference. Result has 556 places, 561 transitions, 1139 flow [2024-11-12 12:45:56,663 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1139, PETRI_PLACES=556, PETRI_TRANSITIONS=561} [2024-11-12 12:45:56,663 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -39 predicate places. [2024-11-12 12:45:56,663 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 561 transitions, 1139 flow [2024-11-12 12:45:56,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:56,665 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:56,665 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] [2024-11-12 12:45:56,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:45:56,665 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:56,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:56,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1602403947, now seen corresponding path program 1 times [2024-11-12 12:45:56,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:56,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143949509] [2024-11-12 12:45:56,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:56,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:45:57,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:57,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143949509] [2024-11-12 12:45:57,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143949509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:57,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:57,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:57,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3059036] [2024-11-12 12:45:57,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:57,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:57,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:57,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:57,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:58,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-11-12 12:45:58,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:58,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:58,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-11-12 12:45:58,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:59,083 INFO L124 PetriNetUnfolderBase]: 161/2349 cut-off events. [2024-11-12 12:45:59,083 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-12 12:45:59,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 2349 events. 161/2349 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 15232 event pairs, 110 based on Foata normal form. 0/2151 useless extension candidates. Maximal degree in co-relation 2657. Up to 291 conditions per place. [2024-11-12 12:45:59,095 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 49 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-11-12 12:45:59,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 560 transitions, 1247 flow [2024-11-12 12:45:59,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:45:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:45:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3295 transitions. [2024-11-12 12:45:59,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8123767258382643 [2024-11-12 12:45:59,104 INFO L175 Difference]: Start difference. First operand has 556 places, 561 transitions, 1139 flow. Second operand 6 states and 3295 transitions. [2024-11-12 12:45:59,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 560 transitions, 1247 flow [2024-11-12 12:45:59,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 560 transitions, 1245 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:45:59,114 INFO L231 Difference]: Finished difference. Result has 559 places, 560 transitions, 1147 flow [2024-11-12 12:45:59,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1147, PETRI_PLACES=559, PETRI_TRANSITIONS=560} [2024-11-12 12:45:59,117 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-11-12 12:45:59,118 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 560 transitions, 1147 flow [2024-11-12 12:45:59,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:45:59,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:59,120 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] [2024-11-12 12:45:59,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:45:59,122 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:45:59,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1097745981, now seen corresponding path program 1 times [2024-11-12 12:45:59,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:59,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189797665] [2024-11-12 12:45:59,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 12:45:59,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:59,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189797665] [2024-11-12 12:45:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189797665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:59,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671702425] [2024-11-12 12:45:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:59,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:59,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:59,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:59,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:00,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-11-12 12:46:00,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 560 transitions, 1147 flow. Second operand has 6 states, 6 states have (on average 543.6666666666666) internal successors, (3262), 6 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:00,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:00,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-11-12 12:46:00,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:02,093 INFO L124 PetriNetUnfolderBase]: 535/6365 cut-off events. [2024-11-12 12:46:02,094 INFO L125 PetriNetUnfolderBase]: For 20/27 co-relation queries the response was YES. [2024-11-12 12:46:02,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7313 conditions, 6365 events. 535/6365 cut-off events. For 20/27 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 57239 event pairs, 196 based on Foata normal form. 5/5836 useless extension candidates. Maximal degree in co-relation 7307. Up to 748 conditions per place. [2024-11-12 12:46:02,132 INFO L140 encePairwiseOnDemand]: 651/676 looper letters, 68 selfloop transitions, 77 changer transitions 7/654 dead transitions. [2024-11-12 12:46:02,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 654 transitions, 1636 flow [2024-11-12 12:46:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3390 transitions. [2024-11-12 12:46:02,139 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8357988165680473 [2024-11-12 12:46:02,139 INFO L175 Difference]: Start difference. First operand has 559 places, 560 transitions, 1147 flow. Second operand 6 states and 3390 transitions. [2024-11-12 12:46:02,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 654 transitions, 1636 flow [2024-11-12 12:46:02,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 654 transitions, 1624 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:46:02,149 INFO L231 Difference]: Finished difference. Result has 564 places, 631 transitions, 1628 flow [2024-11-12 12:46:02,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1628, PETRI_PLACES=564, PETRI_TRANSITIONS=631} [2024-11-12 12:46:02,151 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -31 predicate places. [2024-11-12 12:46:02,152 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 631 transitions, 1628 flow [2024-11-12 12:46:02,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 543.6666666666666) internal successors, (3262), 6 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:02,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:02,154 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] [2024-11-12 12:46:02,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:46:02,154 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:46:02,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:02,155 INFO L85 PathProgramCache]: Analyzing trace with hash -899659656, now seen corresponding path program 1 times [2024-11-12 12:46:02,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697693657] [2024-11-12 12:46:02,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 12:46:02,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:02,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697693657] [2024-11-12 12:46:02,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697693657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:02,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:02,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:02,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576235358] [2024-11-12 12:46:02,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:02,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:02,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:02,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:02,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:03,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 676 [2024-11-12 12:46:03,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 631 transitions, 1628 flow. Second operand has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:03,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:03,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 676 [2024-11-12 12:46:03,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:05,198 INFO L124 PetriNetUnfolderBase]: 1742/9840 cut-off events. [2024-11-12 12:46:05,198 INFO L125 PetriNetUnfolderBase]: For 1070/1230 co-relation queries the response was YES. [2024-11-12 12:46:05,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14714 conditions, 9840 events. 1742/9840 cut-off events. For 1070/1230 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 93765 event pairs, 522 based on Foata normal form. 16/9043 useless extension candidates. Maximal degree in co-relation 14704. Up to 3034 conditions per place. [2024-11-12 12:46:05,247 INFO L140 encePairwiseOnDemand]: 603/676 looper letters, 178 selfloop transitions, 270 changer transitions 0/900 dead transitions. [2024-11-12 12:46:05,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 900 transitions, 3206 flow [2024-11-12 12:46:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3314 transitions. [2024-11-12 12:46:05,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8170611439842209 [2024-11-12 12:46:05,254 INFO L175 Difference]: Start difference. First operand has 564 places, 631 transitions, 1628 flow. Second operand 6 states and 3314 transitions. [2024-11-12 12:46:05,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 900 transitions, 3206 flow [2024-11-12 12:46:05,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 900 transitions, 3206 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:05,271 INFO L231 Difference]: Finished difference. Result has 570 places, 900 transitions, 3534 flow [2024-11-12 12:46:05,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3534, PETRI_PLACES=570, PETRI_TRANSITIONS=900} [2024-11-12 12:46:05,272 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -25 predicate places. [2024-11-12 12:46:05,272 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 900 transitions, 3534 flow [2024-11-12 12:46:05,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:05,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:05,274 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] [2024-11-12 12:46:05,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:46:05,274 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:46:05,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:05,275 INFO L85 PathProgramCache]: Analyzing trace with hash -801922169, now seen corresponding path program 1 times [2024-11-12 12:46:05,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652213094] [2024-11-12 12:46:05,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:46:05,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652213094] [2024-11-12 12:46:05,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652213094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:46:05,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591013966] [2024-11-12 12:46:05,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:46:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:46:05,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:46:05,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 12:46:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:05,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 12:46:05,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:46:05,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-12 12:46:05,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-12 12:46:05,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2024-11-12 12:46:05,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2024-11-12 12:46:05,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:46:05,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 154 [2024-11-12 12:46:05,961 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 12:46:05,962 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 12:46:05,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 30 [2024-11-12 12:46:06,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2024-11-12 12:46:06,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:46:06,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 208 [2024-11-12 12:46:06,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 12:46:06,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 12:46:06,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 12:46:06,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 51 [2024-11-12 12:46:06,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 128 [2024-11-12 12:46:06,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:46:06,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 128 treesize of output 262 [2024-11-12 12:46:06,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:46:06,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 68 [2024-11-12 12:46:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 12:46:06,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:46:06,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591013966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:06,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:46:06,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-12 12:46:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321664315] [2024-11-12 12:46:06,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:06,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:06,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:06,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:06,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-12 12:46:07,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 676 [2024-11-12 12:46:07,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 900 transitions, 3534 flow. Second operand has 6 states, 6 states have (on average 547.3333333333334) internal successors, (3284), 6 states have internal predecessors, (3284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:07,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:07,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 676 [2024-11-12 12:46:07,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:08,888 INFO L124 PetriNetUnfolderBase]: 859/6368 cut-off events. [2024-11-12 12:46:08,888 INFO L125 PetriNetUnfolderBase]: For 1568/1835 co-relation queries the response was YES. [2024-11-12 12:46:08,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10811 conditions, 6368 events. 859/6368 cut-off events. For 1568/1835 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 55591 event pairs, 15 based on Foata normal form. 1/5979 useless extension candidates. Maximal degree in co-relation 10796. Up to 1162 conditions per place. [2024-11-12 12:46:08,927 INFO L140 encePairwiseOnDemand]: 665/676 looper letters, 221 selfloop transitions, 40 changer transitions 0/931 dead transitions. [2024-11-12 12:46:08,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 931 transitions, 4216 flow [2024-11-12 12:46:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3331 transitions. [2024-11-12 12:46:08,933 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8212524654832347 [2024-11-12 12:46:08,933 INFO L175 Difference]: Start difference. First operand has 570 places, 900 transitions, 3534 flow. Second operand 6 states and 3331 transitions. [2024-11-12 12:46:08,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 931 transitions, 4216 flow [2024-11-12 12:46:08,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 931 transitions, 4064 flow, removed 76 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:08,957 INFO L231 Difference]: Finished difference. Result has 580 places, 931 transitions, 3742 flow [2024-11-12 12:46:08,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3742, PETRI_PLACES=580, PETRI_TRANSITIONS=931} [2024-11-12 12:46:08,958 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -15 predicate places. [2024-11-12 12:46:08,959 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 931 transitions, 3742 flow [2024-11-12 12:46:08,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 547.3333333333334) internal successors, (3284), 6 states have internal predecessors, (3284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:08,961 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:08,961 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] [2024-11-12 12:46:08,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 12:46:09,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:46:09,162 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:46:09,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:09,163 INFO L85 PathProgramCache]: Analyzing trace with hash -686852148, now seen corresponding path program 1 times [2024-11-12 12:46:09,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:09,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968139975] [2024-11-12 12:46:09,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:09,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:46:09,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968139975] [2024-11-12 12:46:09,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968139975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:46:09,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094404081] [2024-11-12 12:46:09,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:46:09,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:46:09,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:46:09,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 12:46:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:09,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 12:46:09,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:46:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:46:09,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:46:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:46:09,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094404081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:46:09,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:46:09,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-12 12:46:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805029001] [2024-11-12 12:46:09,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:46:09,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 12:46:09,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:09,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 12:46:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 12:46:09,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 676 [2024-11-12 12:46:09,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 931 transitions, 3742 flow. Second operand has 9 states, 9 states have (on average 578.2222222222222) internal successors, (5204), 9 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:09,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:09,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 676 [2024-11-12 12:46:09,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:10,640 INFO L124 PetriNetUnfolderBase]: 828/6339 cut-off events. [2024-11-12 12:46:10,641 INFO L125 PetriNetUnfolderBase]: For 1444/1577 co-relation queries the response was YES. [2024-11-12 12:46:10,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10371 conditions, 6339 events. 828/6339 cut-off events. For 1444/1577 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 55337 event pairs, 9 based on Foata normal form. 3/5964 useless extension candidates. Maximal degree in co-relation 10351. Up to 1169 conditions per place. [2024-11-12 12:46:10,669 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 50 selfloop transitions, 9 changer transitions 0/939 dead transitions. [2024-11-12 12:46:10,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 939 transitions, 3878 flow [2024-11-12 12:46:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:46:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:46:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5213 transitions. [2024-11-12 12:46:10,677 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8568376068376068 [2024-11-12 12:46:10,677 INFO L175 Difference]: Start difference. First operand has 580 places, 931 transitions, 3742 flow. Second operand 9 states and 5213 transitions. [2024-11-12 12:46:10,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 939 transitions, 3878 flow [2024-11-12 12:46:10,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 939 transitions, 3860 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:10,701 INFO L231 Difference]: Finished difference. Result has 591 places, 937 transitions, 3774 flow [2024-11-12 12:46:10,702 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=3724, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3774, PETRI_PLACES=591, PETRI_TRANSITIONS=937} [2024-11-12 12:46:10,702 INFO L279 CegarLoopForPetriNet]: 595 programPoint places, -4 predicate places. [2024-11-12 12:46:10,702 INFO L471 AbstractCegarLoop]: Abstraction has has 591 places, 937 transitions, 3774 flow [2024-11-12 12:46:10,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 578.2222222222222) internal successors, (5204), 9 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:10,704 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:10,704 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] [2024-11-12 12:46:10,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 12:46:10,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 12:46:10,905 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-12 12:46:10,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:10,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1537117214, now seen corresponding path program 2 times [2024-11-12 12:46:10,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:10,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672788500] [2024-11-12 12:46:10,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:10,979 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 12:46:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:11,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 12:46:11,090 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 12:46:11,091 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-12 12:46:11,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-12 12:46:11,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-12 12:46:11,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-12 12:46:11,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-12 12:46:11,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-12 12:46:11,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-12 12:46:11,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-12 12:46:11,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-12 12:46:11,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-12 12:46:11,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-12 12:46:11,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-12 12:46:11,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-12 12:46:11,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-12 12:46:11,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-12 12:46:11,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-12 12:46:11,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-12 12:46:11,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:46:11,100 INFO L421 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:11,103 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 12:46:11,103 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 12:46:11,208 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:46:11,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1156 transitions, 2328 flow [2024-11-12 12:46:11,576 INFO L124 PetriNetUnfolderBase]: 157/1253 cut-off events. [2024-11-12 12:46:11,577 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 12:46:11,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 1253 events. 157/1253 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4991 event pairs, 0 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1017. Up to 8 conditions per place. [2024-11-12 12:46:11,629 INFO L82 GeneralOperation]: Start removeDead. Operand has 1010 places, 1156 transitions, 2328 flow [2024-11-12 12:46:11,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1010 places, 1156 transitions, 2328 flow [2024-11-12 12:46:11,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:46:11,652 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;@376dc835, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:46:11,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-12 12:46:11,657 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:46:11,657 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2024-11-12 12:46:11,657 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:46:11,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:11,657 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:11,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-12 12:46:11,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1934865454, now seen corresponding path program 1 times [2024-11-12 12:46:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148164448] [2024-11-12 12:46:11,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:11,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:11,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:11,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148164448] [2024-11-12 12:46:11,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148164448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:11,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:11,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:11,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275484585] [2024-11-12 12:46:11,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:11,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:46:11,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:46:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:46:11,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 994 out of 1156 [2024-11-12 12:46:11,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1010 places, 1156 transitions, 2328 flow. Second operand has 2 states, 2 states have (on average 995.0) internal successors, (1990), 2 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:11,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:11,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 994 of 1156 [2024-11-12 12:46:11,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:12,498 INFO L124 PetriNetUnfolderBase]: 130/4001 cut-off events. [2024-11-12 12:46:12,499 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-12 12:46:12,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4172 conditions, 4001 events. 130/4001 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 31655 event pairs, 54 based on Foata normal form. 908/4578 useless extension candidates. Maximal degree in co-relation 737. Up to 129 conditions per place. [2024-11-12 12:46:12,539 INFO L140 encePairwiseOnDemand]: 1015/1156 looper letters, 18 selfloop transitions, 0 changer transitions 10/975 dead transitions. [2024-11-12 12:46:12,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 975 transitions, 2002 flow [2024-11-12 12:46:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:46:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:46:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2147 transitions. [2024-11-12 12:46:12,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9286332179930796 [2024-11-12 12:46:12,544 INFO L175 Difference]: Start difference. First operand has 1010 places, 1156 transitions, 2328 flow. Second operand 2 states and 2147 transitions. [2024-11-12 12:46:12,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 975 transitions, 2002 flow [2024-11-12 12:46:12,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 975 transitions, 2002 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:12,554 INFO L231 Difference]: Finished difference. Result has 960 places, 965 transitions, 1946 flow [2024-11-12 12:46:12,556 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1156, PETRI_DIFFERENCE_MINUEND_FLOW=1966, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=975, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1946, PETRI_PLACES=960, PETRI_TRANSITIONS=965} [2024-11-12 12:46:12,556 INFO L279 CegarLoopForPetriNet]: 1010 programPoint places, -50 predicate places. [2024-11-12 12:46:12,556 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 965 transitions, 1946 flow [2024-11-12 12:46:12,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 995.0) internal successors, (1990), 2 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:12,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:12,558 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] [2024-11-12 12:46:12,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:46:12,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2024-11-12 12:46:12,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash -423089149, now seen corresponding path program 1 times [2024-11-12 12:46:12,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:12,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184234175] [2024-11-12 12:46:12,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:12,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:46:12,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:12,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184234175] [2024-11-12 12:46:12,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184234175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:12,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:12,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:12,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870291443] [2024-11-12 12:46:12,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:12,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:12,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:12,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:12,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:13,412 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 847 out of 1156 [2024-11-12 12:46:13,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 965 transitions, 1946 flow. Second operand has 6 states, 6 states have (on average 848.3333333333334) internal successors, (5090), 6 states have internal predecessors, (5090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:46:13,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:13,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 847 of 1156 [2024-11-12 12:46:13,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand