./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.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_mpmc_check_full.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 f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:45:42,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:45:43,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:45:43,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:45:43,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:45:43,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:45:43,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:45:43,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:45:43,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:45:43,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:45:43,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:45:43,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:45:43,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:45:43,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:45:43,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:45:43,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:45:43,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:45:43,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:45:43,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:45:43,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:45:43,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:45:43,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:45:43,049 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:45:43,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:45:43,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:45:43,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:45:43,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:45:43,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:45:43,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:45:43,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:45:43,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:45:43,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:45:43,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:45:43,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:45:43,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:45:43,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:45:43,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:45:43,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:45:43,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:45:43,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:45:43,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:45:43,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-12 12:45:43,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:45:43,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:45:43,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:45:43,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:45:43,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:45:43,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-12 12:45:44,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:45:45,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:45:45,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-12 12:45:45,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6569b9af/b47d5be4941e49d2ab910e577dbda903/FLAGeec0104ae [2024-11-12 12:45:45,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6569b9af/b47d5be4941e49d2ab910e577dbda903 [2024-11-12 12:45:45,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:45:45,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:45:45,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:45:45,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:45:45,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:45:45,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2024-11-12 12:45:45,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297866e2 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 12:45:45,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:45" (1/1) ... [2024-11-12 12:45:45,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:45:47,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:45:47,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:45:47,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-12 12:45:47,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-12 12:45:47,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-12 12:45:47,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-12 12:45:47,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-12 12:45:47,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-12 12:45:47,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-12 12:45:47,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-12 12:45:47,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-12 12:45:47,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-12 12:45:47,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-12 12:45:47,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-12 12:45:47,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-12 12:45:47,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-12 12:45:47,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-12 12:45:47,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-12 12:45:47,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-12 12:45:47,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-12 12:45:47,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-12 12:45:47,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-12 12:45:47,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-12 12:45:47,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-12 12:45:47,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-12 12:45:47,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-12 12:45:47,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-12 12:45:47,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-12 12:45:47,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-12 12:45:47,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-12 12:45:47,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-12 12:45:47,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-12 12:45:47,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-12 12:45:47,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-12 12:45:47,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-12 12:45:47,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-12 12:45:47,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-12 12:45:47,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-12 12:45:47,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-12 12:45:47,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-12 12:45:47,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-12 12:45:47,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-12 12:45:47,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-12 12:45:47,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-12 12:45:47,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-12 12:45:47,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-12 12:45:47,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-12 12:45:47,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-12 12:45:47,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-12 12:45:47,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-12 12:45:47,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-12 12:45:47,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-12 12:45:47,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-12 12:45:47,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-12 12:45:47,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-12 12:45:47,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-12 12:45:47,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-12 12:45:47,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-12 12:45:47,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-12 12:45:47,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-12 12:45:47,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-12 12:45:47,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-12 12:45:47,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-12 12:45:47,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-12 12:45:47,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-12 12:45:47,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-12 12:45:47,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-12 12:45:47,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-12 12:45:47,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-12 12:45:47,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-12 12:45:47,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-12 12:45:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-12 12:45:47,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-12 12:45:47,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-12 12:45:47,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-12 12:45:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-12 12:45:47,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-12 12:45:47,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-12 12:45:47,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-12 12:45:47,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-12 12:45:47,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-12 12:45:47,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-12 12:45:47,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-12 12:45:47,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-12 12:45:47,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-12 12:45:47,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-12 12:45:47,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-12 12:45:47,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-12 12:45:47,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-12 12:45:47,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-12 12:45:47,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-12 12:45:47,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-12 12:45:47,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-12 12:45:47,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-12 12:45:47,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-12 12:45:47,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-12 12:45:47,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-12 12:45:47,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-12 12:45:47,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-12 12:45:47,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-12 12:45:47,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-12 12:45:47,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-12 12:45:47,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:45:48,018 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:45:48,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:48 WrapperNode [2024-11-12 12:45:48,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:45:48,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:45:48,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:45:48,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:45:48,028 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 12:45:48,121 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 12:45:48,218 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 970 [2024-11-12 12:45:48,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:45:48,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:45:48,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:45:48,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:45:48,230 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 12:45:48,230 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 12:45:48,246 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 12:45:48,249 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 12:45:48,301 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 12:45:48,317 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 12:45:48,327 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 12:45:48,336 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 12:45:48,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:45:48,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:45:48,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:45:48,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:45:48,356 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 12:45:48,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:45:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:45:48,394 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 12:45:48,396 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 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:45:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:45:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:45:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:45:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-12 12:45:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-12 12:45:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 12:45:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:45:48,452 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 12:45:48,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:45:48,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:45:49,941 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:45:49,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:45:50,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:45:50,274 INFO L316 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-12 12:45:50,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:45:50 BoogieIcfgContainer [2024-11-12 12:45:50,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:45:50,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:45:50,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:45:50,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:45:50,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:45" (1/3) ... [2024-11-12 12:45:50,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe98674 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 12:45:50,282 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 12:45:50,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe98674 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 12:45:50,284 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 12:45:50,285 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-12 12:45:50,303 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:45:50,303 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-11-12 12:45:50,304 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:45:50,496 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 12:45:50,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-12 12:45:51,221 INFO L124 PetriNetUnfolderBase]: 121/1682 cut-off events. [2024-11-12 12:45:51,222 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:45:51,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1682 events. 121/1682 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5799 event pairs, 0 based on Foata normal form. 0/1478 useless extension candidates. Maximal degree in co-relation 869. Up to 6 conditions per place. [2024-11-12 12:45:51,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-12 12:45:51,286 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 955 places, 1020 transitions, 2047 flow [2024-11-12 12:45:51,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:45:51,306 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;@7864eaa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:45:51,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-11-12 12:45:51,315 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:45:51,316 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-12 12:45:51,316 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:45:51,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:51,317 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] [2024-11-12 12:45:51,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:45:51,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash 771575059, now seen corresponding path program 1 times [2024-11-12 12:45:51,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:51,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935630639] [2024-11-12 12:45:51,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:51,600 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 12:45:51,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:51,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935630639] [2024-11-12 12:45:51,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935630639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:51,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:51,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:45:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347129478] [2024-11-12 12:45:51,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:51,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:45:51,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:51,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:45:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:45:51,652 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 917 out of 1020 [2024-11-12 12:45:51,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 1020 transitions, 2047 flow. Second operand has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 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 12:45:51,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:51,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 917 of 1020 [2024-11-12 12:45:51,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:52,960 INFO L124 PetriNetUnfolderBase]: 105/3769 cut-off events. [2024-11-12 12:45:52,960 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:45:52,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3915 conditions, 3769 events. 105/3769 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 24008 event pairs, 52 based on Foata normal form. 282/3865 useless extension candidates. Maximal degree in co-relation 3164. Up to 141 conditions per place. [2024-11-12 12:45:52,993 INFO L140 encePairwiseOnDemand]: 940/1020 looper letters, 23 selfloop transitions, 0 changer transitions 6/926 dead transitions. [2024-11-12 12:45:52,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 926 transitions, 1905 flow [2024-11-12 12:45:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:45:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:45:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1937 transitions. [2024-11-12 12:45:53,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9495098039215686 [2024-11-12 12:45:53,019 INFO L175 Difference]: Start difference. First operand has 955 places, 1020 transitions, 2047 flow. Second operand 2 states and 1937 transitions. [2024-11-12 12:45:53,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 926 transitions, 1905 flow [2024-11-12 12:45:53,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 917 places, 926 transitions, 1905 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:45:53,045 INFO L231 Difference]: Finished difference. Result has 917 places, 920 transitions, 1847 flow [2024-11-12 12:45:53,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1859, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1847, PETRI_PLACES=917, PETRI_TRANSITIONS=920} [2024-11-12 12:45:53,055 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -38 predicate places. [2024-11-12 12:45:53,055 INFO L471 AbstractCegarLoop]: Abstraction has has 917 places, 920 transitions, 1847 flow [2024-11-12 12:45:53,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 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 12:45:53,057 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:53,057 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] [2024-11-12 12:45:53,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:45:53,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:45:53,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:53,059 INFO L85 PathProgramCache]: Analyzing trace with hash 433427019, now seen corresponding path program 1 times [2024-11-12 12:45:53,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:53,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660257172] [2024-11-12 12:45:53,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:53,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:53,656 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 12:45:53,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:53,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660257172] [2024-11-12 12:45:53,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660257172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:53,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:53,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:53,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260004141] [2024-11-12 12:45:53,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:53,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:53,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:53,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:53,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:54,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-12 12:45:54,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 917 places, 920 transitions, 1847 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 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 12:45:54,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:54,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-12 12:45:54,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:45:58,535 INFO L124 PetriNetUnfolderBase]: 2302/17678 cut-off events. [2024-11-12 12:45:58,536 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-12 12:45:58,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21836 conditions, 17678 events. 2302/17678 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 177584 event pairs, 1848 based on Foata normal form. 0/16619 useless extension candidates. Maximal degree in co-relation 21832. Up to 4146 conditions per place. [2024-11-12 12:45:58,667 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/919 dead transitions. [2024-11-12 12:45:58,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 919 transitions, 2079 flow [2024-11-12 12:45:58,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:45:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:45:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-12 12:45:58,682 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-12 12:45:58,682 INFO L175 Difference]: Start difference. First operand has 917 places, 920 transitions, 1847 flow. Second operand 6 states and 5050 transitions. [2024-11-12 12:45:58,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 919 transitions, 2079 flow [2024-11-12 12:45:58,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 919 transitions, 2079 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:45:58,699 INFO L231 Difference]: Finished difference. Result has 915 places, 919 transitions, 1855 flow [2024-11-12 12:45:58,700 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1845, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1855, PETRI_PLACES=915, PETRI_TRANSITIONS=919} [2024-11-12 12:45:58,701 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -40 predicate places. [2024-11-12 12:45:58,701 INFO L471 AbstractCegarLoop]: Abstraction has has 915 places, 919 transitions, 1855 flow [2024-11-12 12:45:58,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 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 12:45:58,704 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:45:58,705 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] [2024-11-12 12:45:58,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:45:58,705 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:45:58,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:45:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash -809091160, now seen corresponding path program 1 times [2024-11-12 12:45:58,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:45:58,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936997939] [2024-11-12 12:45:58,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:45:58,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:45:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:45:59,156 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 12:45:59,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:45:59,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936997939] [2024-11-12 12:45:59,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936997939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:45:59,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:45:59,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:45:59,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148372223] [2024-11-12 12:45:59,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:45:59,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:45:59,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:45:59,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:45:59,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:45:59,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-12 12:45:59,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 915 places, 919 transitions, 1855 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 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 12:45:59,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:45:59,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-12 12:45:59,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:02,879 INFO L124 PetriNetUnfolderBase]: 2302/17677 cut-off events. [2024-11-12 12:46:02,879 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-12 12:46:02,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21841 conditions, 17677 events. 2302/17677 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 177102 event pairs, 1848 based on Foata normal form. 0/16619 useless extension candidates. Maximal degree in co-relation 21836. Up to 4146 conditions per place. [2024-11-12 12:46:02,952 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/918 dead transitions. [2024-11-12 12:46:02,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 918 transitions, 2087 flow [2024-11-12 12:46:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-12 12:46:02,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-12 12:46:02,964 INFO L175 Difference]: Start difference. First operand has 915 places, 919 transitions, 1855 flow. Second operand 6 states and 5050 transitions. [2024-11-12 12:46:02,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 918 transitions, 2087 flow [2024-11-12 12:46:02,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 918 transitions, 2077 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:46:02,979 INFO L231 Difference]: Finished difference. Result has 914 places, 918 transitions, 1853 flow [2024-11-12 12:46:02,981 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=913, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1853, PETRI_PLACES=914, PETRI_TRANSITIONS=918} [2024-11-12 12:46:02,982 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -41 predicate places. [2024-11-12 12:46:02,982 INFO L471 AbstractCegarLoop]: Abstraction has has 914 places, 918 transitions, 1853 flow [2024-11-12 12:46:02,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 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 12:46:02,985 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:02,986 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] [2024-11-12 12:46:02,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:46:02,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:46:02,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:02,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1447044783, now seen corresponding path program 1 times [2024-11-12 12:46:02,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:02,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587781178] [2024-11-12 12:46:02,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:04,428 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 12:46:04,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587781178] [2024-11-12 12:46:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587781178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:04,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:04,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:04,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012190167] [2024-11-12 12:46:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:04,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:04,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:04,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:05,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 814 out of 1020 [2024-11-12 12:46:05,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 914 places, 918 transitions, 1853 flow. Second operand has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 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 12:46:05,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:05,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 814 of 1020 [2024-11-12 12:46:05,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:08,952 INFO L124 PetriNetUnfolderBase]: 2622/19286 cut-off events. [2024-11-12 12:46:08,952 INFO L125 PetriNetUnfolderBase]: For 7/20 co-relation queries the response was YES. [2024-11-12 12:46:08,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24077 conditions, 19286 events. 2622/19286 cut-off events. For 7/20 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 193131 event pairs, 1895 based on Foata normal form. 4/18136 useless extension candidates. Maximal degree in co-relation 24072. Up to 4623 conditions per place. [2024-11-12 12:46:09,040 INFO L140 encePairwiseOnDemand]: 989/1020 looper letters, 125 selfloop transitions, 102 changer transitions 0/1019 dead transitions. [2024-11-12 12:46:09,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1019 transitions, 2509 flow [2024-11-12 12:46:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5112 transitions. [2024-11-12 12:46:09,053 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8352941176470589 [2024-11-12 12:46:09,053 INFO L175 Difference]: Start difference. First operand has 914 places, 918 transitions, 1853 flow. Second operand 6 states and 5112 transitions. [2024-11-12 12:46:09,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1019 transitions, 2509 flow [2024-11-12 12:46:09,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 1019 transitions, 2499 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:46:09,075 INFO L231 Difference]: Finished difference. Result has 919 places, 1019 transitions, 2513 flow [2024-11-12 12:46:09,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=888, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2513, PETRI_PLACES=919, PETRI_TRANSITIONS=1019} [2024-11-12 12:46:09,078 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -36 predicate places. [2024-11-12 12:46:09,078 INFO L471 AbstractCegarLoop]: Abstraction has has 919 places, 1019 transitions, 2513 flow [2024-11-12 12:46:09,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 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 12:46:09,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:09,082 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] [2024-11-12 12:46:09,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:46:09,083 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:46:09,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:09,086 INFO L85 PathProgramCache]: Analyzing trace with hash -774386225, now seen corresponding path program 1 times [2024-11-12 12:46:09,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:09,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147615165] [2024-11-12 12:46:09,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:09,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:09,252 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 12:46:09,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:09,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147615165] [2024-11-12 12:46:09,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147615165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:09,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:09,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:46:09,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722963279] [2024-11-12 12:46:09,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:09,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:46:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:46:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:46:09,290 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 911 out of 1020 [2024-11-12 12:46:09,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 919 places, 1019 transitions, 2513 flow. Second operand has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 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 12:46:09,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:09,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 911 of 1020 [2024-11-12 12:46:09,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:10,526 INFO L124 PetriNetUnfolderBase]: 339/5392 cut-off events. [2024-11-12 12:46:10,526 INFO L125 PetriNetUnfolderBase]: For 291/660 co-relation queries the response was YES. [2024-11-12 12:46:10,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6476 conditions, 5392 events. 339/5392 cut-off events. For 291/660 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 39401 event pairs, 0 based on Foata normal form. 18/5154 useless extension candidates. Maximal degree in co-relation 6467. Up to 365 conditions per place. [2024-11-12 12:46:10,555 INFO L140 encePairwiseOnDemand]: 1017/1020 looper letters, 47 selfloop transitions, 2 changer transitions 0/1023 dead transitions. [2024-11-12 12:46:10,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1023 transitions, 2627 flow [2024-11-12 12:46:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:46:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:46:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2767 transitions. [2024-11-12 12:46:10,564 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-12 12:46:10,568 INFO L175 Difference]: Start difference. First operand has 919 places, 1019 transitions, 2513 flow. Second operand 3 states and 2767 transitions. [2024-11-12 12:46:10,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1023 transitions, 2627 flow [2024-11-12 12:46:10,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 1023 transitions, 2627 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:10,615 INFO L231 Difference]: Finished difference. Result has 922 places, 1019 transitions, 2521 flow [2024-11-12 12:46:10,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=2513, PETRI_DIFFERENCE_MINUEND_PLACES=919, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1017, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2521, PETRI_PLACES=922, PETRI_TRANSITIONS=1019} [2024-11-12 12:46:10,617 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -33 predicate places. [2024-11-12 12:46:10,621 INFO L471 AbstractCegarLoop]: Abstraction has has 922 places, 1019 transitions, 2521 flow [2024-11-12 12:46:10,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 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 12:46:10,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:10,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:10,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:46:10,623 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:46:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1983190539, now seen corresponding path program 1 times [2024-11-12 12:46:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:10,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716527073] [2024-11-12 12:46:10,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 12:46:10,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:10,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716527073] [2024-11-12 12:46:10,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716527073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:10,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:10,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:10,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187657798] [2024-11-12 12:46:10,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:10,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 12:46:10,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:10,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 12:46:10,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 12:46:10,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 909 out of 1020 [2024-11-12 12:46:10,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1019 transitions, 2521 flow. Second operand has 5 states, 5 states have (on average 911.4) internal successors, (4557), 5 states have internal predecessors, (4557), 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 12:46:10,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:10,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 909 of 1020 [2024-11-12 12:46:10,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:11,232 INFO L124 PetriNetUnfolderBase]: 234/1857 cut-off events. [2024-11-12 12:46:11,232 INFO L125 PetriNetUnfolderBase]: For 232/319 co-relation queries the response was YES. [2024-11-12 12:46:11,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 1857 events. 234/1857 cut-off events. For 232/319 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10337 event pairs, 0 based on Foata normal form. 50/1836 useless extension candidates. Maximal degree in co-relation 2743. Up to 309 conditions per place. [2024-11-12 12:46:11,242 INFO L140 encePairwiseOnDemand]: 1015/1020 looper letters, 38 selfloop transitions, 4 changer transitions 0/446 dead transitions. [2024-11-12 12:46:11,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 446 transitions, 1478 flow [2024-11-12 12:46:11,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:46:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:46:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5481 transitions. [2024-11-12 12:46:11,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955882352941177 [2024-11-12 12:46:11,257 INFO L175 Difference]: Start difference. First operand has 922 places, 1019 transitions, 2521 flow. Second operand 6 states and 5481 transitions. [2024-11-12 12:46:11,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 446 transitions, 1478 flow [2024-11-12 12:46:11,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 446 transitions, 1472 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:46:11,269 INFO L231 Difference]: Finished difference. Result has 348 places, 434 transitions, 1348 flow [2024-11-12 12:46:11,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1348, PETRI_PLACES=348, PETRI_TRANSITIONS=434} [2024-11-12 12:46:11,272 INFO L279 CegarLoopForPetriNet]: 955 programPoint places, -607 predicate places. [2024-11-12 12:46:11,272 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 434 transitions, 1348 flow [2024-11-12 12:46:11,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 911.4) internal successors, (4557), 5 states have internal predecessors, (4557), 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 12:46:11,276 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:11,276 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, 1, 1, 1, 1] [2024-11-12 12:46:11,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:46:11,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-12 12:46:11,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:11,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1971788741, now seen corresponding path program 1 times [2024-11-12 12:46:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:11,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263444737] [2024-11-12 12:46:11,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:11,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 12:46:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:46:11,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 12:46:11,448 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 12:46:11,449 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2024-11-12 12:46:11,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2024-11-12 12:46:11,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2024-11-12 12:46:11,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2024-11-12 12:46:11,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2024-11-12 12:46:11,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2024-11-12 12:46:11,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2024-11-12 12:46:11,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2024-11-12 12:46:11,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2024-11-12 12:46:11,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2024-11-12 12:46:11,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2024-11-12 12:46:11,461 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2024-11-12 12:46:11,461 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2024-11-12 12:46:11,461 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2024-11-12 12:46:11,461 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2024-11-12 12:46:11,462 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2024-11-12 12:46:11,462 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2024-11-12 12:46:11,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2024-11-12 12:46:11,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2024-11-12 12:46:11,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2024-11-12 12:46:11,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2024-11-12 12:46:11,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:46:11,466 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:46:11,468 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 12:46:11,472 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 12:46:11,761 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:46:11,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-12 12:46:12,937 INFO L124 PetriNetUnfolderBase]: 234/3210 cut-off events. [2024-11-12 12:46:12,937 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-12 12:46:12,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 3210 events. 234/3210 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16437 event pairs, 0 based on Foata normal form. 0/2819 useless extension candidates. Maximal degree in co-relation 1723. Up to 12 conditions per place. [2024-11-12 12:46:12,992 INFO L82 GeneralOperation]: Start removeDead. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-12 12:46:13,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1153 places, 1223 transitions, 2462 flow [2024-11-12 12:46:13,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:46:13,022 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;@7864eaa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:46:13,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-12 12:46:13,026 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:46:13,026 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-12 12:46:13,026 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:46:13,026 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:13,027 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] [2024-11-12 12:46:13,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-12 12:46:13,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:13,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1779408538, now seen corresponding path program 1 times [2024-11-12 12:46:13,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229801679] [2024-11-12 12:46:13,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:13,048 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 12:46:13,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:13,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229801679] [2024-11-12 12:46:13,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229801679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:13,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:13,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:46:13,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078212767] [2024-11-12 12:46:13,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:13,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:46:13,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:13,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:46:13,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:46:13,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1223 [2024-11-12 12:46:13,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 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 12:46:13,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:13,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1223 [2024-11-12 12:46:13,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:46:18,926 INFO L124 PetriNetUnfolderBase]: 971/22381 cut-off events. [2024-11-12 12:46:18,926 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2024-11-12 12:46:19,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23584 conditions, 22381 events. 971/22381 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 256820 event pairs, 652 based on Foata normal form. 1820/23100 useless extension candidates. Maximal degree in co-relation 6445. Up to 1171 conditions per place. [2024-11-12 12:46:19,198 INFO L140 encePairwiseOnDemand]: 1136/1223 looper letters, 29 selfloop transitions, 0 changer transitions 6/1122 dead transitions. [2024-11-12 12:46:19,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1110 places, 1122 transitions, 2318 flow [2024-11-12 12:46:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:46:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:46:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2330 transitions. [2024-11-12 12:46:19,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9525756336876533 [2024-11-12 12:46:19,204 INFO L175 Difference]: Start difference. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand 2 states and 2330 transitions. [2024-11-12 12:46:19,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1110 places, 1122 transitions, 2318 flow [2024-11-12 12:46:19,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1110 places, 1122 transitions, 2318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:46:19,220 INFO L231 Difference]: Finished difference. Result has 1110 places, 1116 transitions, 2248 flow [2024-11-12 12:46:19,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1223, PETRI_DIFFERENCE_MINUEND_FLOW=2260, PETRI_DIFFERENCE_MINUEND_PLACES=1109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2248, PETRI_PLACES=1110, PETRI_TRANSITIONS=1116} [2024-11-12 12:46:19,223 INFO L279 CegarLoopForPetriNet]: 1153 programPoint places, -43 predicate places. [2024-11-12 12:46:19,223 INFO L471 AbstractCegarLoop]: Abstraction has has 1110 places, 1116 transitions, 2248 flow [2024-11-12 12:46:19,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 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 12:46:19,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:46:19,225 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] [2024-11-12 12:46:19,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:46:19,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-12 12:46:19,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:46:19,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1701169422, now seen corresponding path program 1 times [2024-11-12 12:46:19,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:46:19,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586876748] [2024-11-12 12:46:19,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:46:19,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:46:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:46:19,664 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 12:46:19,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:46:19,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586876748] [2024-11-12 12:46:19,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586876748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:46:19,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:46:19,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:46:19,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948922258] [2024-11-12 12:46:19,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:46:19,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:46:19,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:46:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:46:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:46:20,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 1223 [2024-11-12 12:46:20,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1110 places, 1116 transitions, 2248 flow. Second operand has 6 states, 6 states have (on average 993.3333333333334) internal successors, (5960), 6 states have internal predecessors, (5960), 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 12:46:20,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:46:20,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 1223 [2024-11-12 12:46:20,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand