./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-dev-4a390ef-m [2024-10-24 15:39:50,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:39:50,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:39:50,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:39:50,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:39:50,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:39:50,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:39:50,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:39:50,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:39:50,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:39:50,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:39:50,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:39:50,629 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:39:50,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:39:50,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:39:50,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:39:50,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:39:50,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:39:50,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:39:50,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:39:50,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:39:50,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:39:50,633 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:39:50,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:39:50,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:39:50,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:39:50,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:39:50,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:39:50,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:39:50,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:39:50,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:39:50,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:39:50,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:39:50,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:39:50,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:39:50,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:39:50,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-10-24 15:39:50,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:39:50,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:39:50,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:39:50,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:39:50,861 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:39:50,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-10-24 15:39:52,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:39:52,617 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:39:52,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-10-24 15:39:52,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f938fca0/9c850a65d35b4b66a39e918d5b87bf35/FLAG1e71a890d [2024-10-24 15:39:52,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f938fca0/9c850a65d35b4b66a39e918d5b87bf35 [2024-10-24 15:39:52,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:39:52,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:39:52,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:39:52,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:39:52,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:39:52,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:39:52" (1/1) ... [2024-10-24 15:39:52,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7184d545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:52, skipping insertion in model container [2024-10-24 15:39:52,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:39:52" (1/1) ... [2024-10-24 15:39:52,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:39:54,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:39:54,625 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:39:54,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-10-24 15:39:54,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-10-24 15:39:54,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-10-24 15:39:54,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-10-24 15:39:54,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-10-24 15:39:54,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-10-24 15:39:54,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-10-24 15:39:54,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-10-24 15:39:54,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-10-24 15:39:54,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-10-24 15:39:54,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-10-24 15:39:54,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-10-24 15:39:54,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-10-24 15:39:54,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-10-24 15:39:54,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-10-24 15:39:54,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-10-24 15:39:54,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-10-24 15:39:54,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-10-24 15:39:54,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-10-24 15:39:54,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-10-24 15:39:54,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-10-24 15:39:54,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-10-24 15:39:54,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-10-24 15:39:54,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-10-24 15:39:54,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-10-24 15:39:54,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-10-24 15:39:54,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-10-24 15:39:54,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-10-24 15:39:54,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-10-24 15:39:54,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-10-24 15:39:54,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-10-24 15:39:54,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-10-24 15:39:54,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-10-24 15:39:54,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-10-24 15:39:54,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-10-24 15:39:54,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-10-24 15:39:54,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-10-24 15:39:54,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-10-24 15:39:54,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-10-24 15:39:54,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-10-24 15:39:54,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-10-24 15:39:54,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-10-24 15:39:54,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-10-24 15:39:54,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-10-24 15:39:54,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-10-24 15:39:54,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-10-24 15:39:54,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-10-24 15:39:54,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-10-24 15:39:54,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-10-24 15:39:54,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-10-24 15:39:54,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-10-24 15:39:54,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-10-24 15:39:54,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-10-24 15:39:54,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-10-24 15:39:54,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-10-24 15:39:54,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-10-24 15:39:54,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-10-24 15:39:54,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-10-24 15:39:54,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-10-24 15:39:54,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-10-24 15:39:54,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-10-24 15:39:54,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-10-24 15:39:54,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-10-24 15:39:54,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-10-24 15:39:54,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-10-24 15:39:54,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-10-24 15:39:54,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-10-24 15:39:54,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-10-24 15:39:54,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-10-24 15:39:54,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-10-24 15:39:54,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-10-24 15:39:54,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-10-24 15:39:54,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-10-24 15:39:54,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-10-24 15:39:54,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-10-24 15:39:54,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-10-24 15:39:54,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-10-24 15:39:54,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-10-24 15:39:54,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-10-24 15:39:54,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-10-24 15:39:54,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-10-24 15:39:54,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-10-24 15:39:54,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-10-24 15:39:54,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-10-24 15:39:54,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-10-24 15:39:54,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-10-24 15:39:54,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-10-24 15:39:54,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-10-24 15:39:54,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-10-24 15:39:54,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-10-24 15:39:54,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-10-24 15:39:54,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-10-24 15:39:54,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-10-24 15:39:54,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-10-24 15:39:54,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-10-24 15:39:54,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-10-24 15:39:54,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-10-24 15:39:54,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-10-24 15:39:54,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-10-24 15:39:54,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-10-24 15:39:54,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:39:55,043 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:39:55,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55 WrapperNode [2024-10-24 15:39:55,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:39:55,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:39:55,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:39:55,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:39:55,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,196 INFO L138 Inliner]: procedures = 914, calls = 945, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 882 [2024-10-24 15:39:55,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:39:55,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:39:55,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:39:55,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:39:55,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:39:55,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:39:55,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:39:55,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:39:55,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (1/1) ... [2024-10-24 15:39:55,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:39:55,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:39:55,310 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) [2024-10-24 15:39:55,315 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 [2024-10-24 15:39:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:39:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:39:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-24 15:39:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-24 15:39:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-24 15:39:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:39:55,359 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:39:55,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:39:55,523 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:39:56,340 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:39:56,340 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:39:56,484 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:39:56,484 INFO L314 CfgBuilder]: Removed 45 assume(true) statements. [2024-10-24 15:39:56,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:39:56 BoogieIcfgContainer [2024-10-24 15:39:56,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:39:56,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:39:56,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:39:56,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:39:56,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:39:52" (1/3) ... [2024-10-24 15:39:56,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9be67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:39:56, skipping insertion in model container [2024-10-24 15:39:56,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:39:55" (2/3) ... [2024-10-24 15:39:56,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9be67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:39:56, skipping insertion in model container [2024-10-24 15:39:56,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:39:56" (3/3) ... [2024-10-24 15:39:56,492 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-10-24 15:39:56,505 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:39:56,506 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-24 15:39:56,506 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:39:56,634 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:39:56,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 927 places, 996 transitions, 1999 flow [2024-10-24 15:39:57,102 INFO L124 PetriNetUnfolderBase]: 128/1640 cut-off events. [2024-10-24 15:39:57,102 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:39:57,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1645 conditions, 1640 events. 128/1640 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5539 event pairs, 0 based on Foata normal form. 0/1436 useless extension candidates. Maximal degree in co-relation 845. Up to 6 conditions per place. [2024-10-24 15:39:57,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 927 places, 996 transitions, 1999 flow [2024-10-24 15:39:57,148 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 927 places, 996 transitions, 1999 flow [2024-10-24 15:39:57,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:39:57,164 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;@51f1eb20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:39:57,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-10-24 15:39:57,173 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:39:57,173 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-10-24 15:39:57,174 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:39:57,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:39:57,174 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:39:57,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:39:57,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:39:57,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1042131578, now seen corresponding path program 1 times [2024-10-24 15:39:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:39:57,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330594309] [2024-10-24 15:39:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:39:57,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:39:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:39:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:39:57,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:39:57,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330594309] [2024-10-24 15:39:57,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330594309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:39:57,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:39:57,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:39:57,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191384592] [2024-10-24 15:39:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:39:57,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:39:57,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:39:57,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:39:57,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:39:57,414 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 897 out of 996 [2024-10-24 15:39:57,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 927 places, 996 transitions, 1999 flow. Second operand has 2 states, 2 states have (on average 898.0) internal successors, (1796), 2 states have internal predecessors, (1796), 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) [2024-10-24 15:39:57,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:39:57,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 897 of 996 [2024-10-24 15:39:57,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:39:57,798 INFO L124 PetriNetUnfolderBase]: 15/1506 cut-off events. [2024-10-24 15:39:57,798 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:39:57,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1556 conditions, 1506 events. 15/1506 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 5677 event pairs, 12 based on Foata normal form. 156/1596 useless extension candidates. Maximal degree in co-relation 1077. Up to 45 conditions per place. [2024-10-24 15:39:57,805 INFO L140 encePairwiseOnDemand]: 936/996 looper letters, 14 selfloop transitions, 0 changer transitions 6/598 dead transitions. [2024-10-24 15:39:57,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 598 transitions, 1231 flow [2024-10-24 15:39:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:39:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:39:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1868 transitions. [2024-10-24 15:39:57,825 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9377510040160643 [2024-10-24 15:39:57,827 INFO L175 Difference]: Start difference. First operand has 927 places, 996 transitions, 1999 flow. Second operand 2 states and 1868 transitions. [2024-10-24 15:39:57,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 598 transitions, 1231 flow [2024-10-24 15:39:57,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 598 transitions, 1231 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:39:57,844 INFO L231 Difference]: Finished difference. Result has 599 places, 592 transitions, 1191 flow [2024-10-24 15:39:57,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1203, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1191, PETRI_PLACES=599, PETRI_TRANSITIONS=592} [2024-10-24 15:39:57,849 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -328 predicate places. [2024-10-24 15:39:57,850 INFO L471 AbstractCegarLoop]: Abstraction has has 599 places, 592 transitions, 1191 flow [2024-10-24 15:39:57,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 898.0) internal successors, (1796), 2 states have internal predecessors, (1796), 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) [2024-10-24 15:39:57,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:39:57,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:39:57,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:39:57,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:39:57,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:39:57,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1136401235, now seen corresponding path program 1 times [2024-10-24 15:39:57,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:39:57,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483460178] [2024-10-24 15:39:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:39:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:39:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:39:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:39:58,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:39:58,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483460178] [2024-10-24 15:39:58,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483460178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:39:58,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:39:58,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:39:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973875519] [2024-10-24 15:39:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:39:58,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:39:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:39:58,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:39:58,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:39:58,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 802 out of 996 [2024-10-24 15:39:58,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 592 transitions, 1191 flow. Second operand has 6 states, 6 states have (on average 803.3333333333334) internal successors, (4820), 6 states have internal predecessors, (4820), 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) [2024-10-24 15:39:58,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:39:58,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 802 of 996 [2024-10-24 15:39:58,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:39:59,694 INFO L124 PetriNetUnfolderBase]: 364/5293 cut-off events. [2024-10-24 15:39:59,695 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-24 15:39:59,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6037 conditions, 5293 events. 364/5293 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 40403 event pairs, 300 based on Foata normal form. 0/5012 useless extension candidates. Maximal degree in co-relation 6033. Up to 732 conditions per place. [2024-10-24 15:39:59,719 INFO L140 encePairwiseOnDemand]: 990/996 looper letters, 51 selfloop transitions, 5 changer transitions 0/591 dead transitions. [2024-10-24 15:39:59,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 591 transitions, 1301 flow [2024-10-24 15:39:59,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:39:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:39:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4869 transitions. [2024-10-24 15:39:59,729 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8147590361445783 [2024-10-24 15:39:59,729 INFO L175 Difference]: Start difference. First operand has 599 places, 592 transitions, 1191 flow. Second operand 6 states and 4869 transitions. [2024-10-24 15:39:59,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 591 transitions, 1301 flow [2024-10-24 15:39:59,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 591 transitions, 1301 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:39:59,740 INFO L231 Difference]: Finished difference. Result has 597 places, 591 transitions, 1199 flow [2024-10-24 15:39:59,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1189, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1199, PETRI_PLACES=597, PETRI_TRANSITIONS=591} [2024-10-24 15:39:59,741 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -330 predicate places. [2024-10-24 15:39:59,741 INFO L471 AbstractCegarLoop]: Abstraction has has 597 places, 591 transitions, 1199 flow [2024-10-24 15:39:59,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 803.3333333333334) internal successors, (4820), 6 states have internal predecessors, (4820), 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) [2024-10-24 15:39:59,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:39:59,744 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:39:59,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:39:59,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:39:59,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:39:59,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1128385878, now seen corresponding path program 1 times [2024-10-24 15:39:59,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:39:59,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039326210] [2024-10-24 15:39:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:39:59,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:39:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:00,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:00,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039326210] [2024-10-24 15:40:00,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039326210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:00,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:00,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:40:00,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554014029] [2024-10-24 15:40:00,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:00,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:00,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:00,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:00,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:40:00,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 802 out of 996 [2024-10-24 15:40:00,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 591 transitions, 1199 flow. Second operand has 6 states, 6 states have (on average 803.3333333333334) internal successors, (4820), 6 states have internal predecessors, (4820), 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) [2024-10-24 15:40:00,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:00,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 802 of 996 [2024-10-24 15:40:00,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:01,217 INFO L124 PetriNetUnfolderBase]: 364/5292 cut-off events. [2024-10-24 15:40:01,217 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-24 15:40:01,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6042 conditions, 5292 events. 364/5292 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 40423 event pairs, 300 based on Foata normal form. 0/5012 useless extension candidates. Maximal degree in co-relation 6037. Up to 732 conditions per place. [2024-10-24 15:40:01,236 INFO L140 encePairwiseOnDemand]: 990/996 looper letters, 51 selfloop transitions, 5 changer transitions 0/590 dead transitions. [2024-10-24 15:40:01,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 590 transitions, 1309 flow [2024-10-24 15:40:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:40:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:40:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4869 transitions. [2024-10-24 15:40:01,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8147590361445783 [2024-10-24 15:40:01,245 INFO L175 Difference]: Start difference. First operand has 597 places, 591 transitions, 1199 flow. Second operand 6 states and 4869 transitions. [2024-10-24 15:40:01,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 590 transitions, 1309 flow [2024-10-24 15:40:01,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 590 transitions, 1299 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:40:01,253 INFO L231 Difference]: Finished difference. Result has 596 places, 590 transitions, 1197 flow [2024-10-24 15:40:01,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1187, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1197, PETRI_PLACES=596, PETRI_TRANSITIONS=590} [2024-10-24 15:40:01,254 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -331 predicate places. [2024-10-24 15:40:01,255 INFO L471 AbstractCegarLoop]: Abstraction has has 596 places, 590 transitions, 1197 flow [2024-10-24 15:40:01,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 803.3333333333334) internal successors, (4820), 6 states have internal predecessors, (4820), 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) [2024-10-24 15:40:01,257 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:01,257 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:01,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:40:01,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:40:01,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1250660065, now seen corresponding path program 1 times [2024-10-24 15:40:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511636936] [2024-10-24 15:40:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:02,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:02,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511636936] [2024-10-24 15:40:02,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511636936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:02,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:02,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:40:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16417701] [2024-10-24 15:40:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:02,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:02,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:02,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:02,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:40:02,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 794 out of 996 [2024-10-24 15:40:02,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 590 transitions, 1197 flow. Second operand has 6 states, 6 states have (on average 797.5) internal successors, (4785), 6 states have internal predecessors, (4785), 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) [2024-10-24 15:40:02,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:02,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 794 of 996 [2024-10-24 15:40:02,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:04,166 INFO L124 PetriNetUnfolderBase]: 499/6258 cut-off events. [2024-10-24 15:40:04,166 INFO L125 PetriNetUnfolderBase]: For 7/20 co-relation queries the response was YES. [2024-10-24 15:40:04,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7282 conditions, 6258 events. 499/6258 cut-off events. For 7/20 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 49766 event pairs, 319 based on Foata normal form. 4/5928 useless extension candidates. Maximal degree in co-relation 7277. Up to 940 conditions per place. [2024-10-24 15:40:04,198 INFO L140 encePairwiseOnDemand]: 979/996 looper letters, 64 selfloop transitions, 46 changer transitions 0/635 dead transitions. [2024-10-24 15:40:04,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 635 transitions, 1507 flow [2024-10-24 15:40:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:40:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:40:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4875 transitions. [2024-10-24 15:40:04,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8157630522088354 [2024-10-24 15:40:04,211 INFO L175 Difference]: Start difference. First operand has 596 places, 590 transitions, 1197 flow. Second operand 6 states and 4875 transitions. [2024-10-24 15:40:04,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 635 transitions, 1507 flow [2024-10-24 15:40:04,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 635 transitions, 1497 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:40:04,223 INFO L231 Difference]: Finished difference. Result has 601 places, 635 transitions, 1493 flow [2024-10-24 15:40:04,225 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1187, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1493, PETRI_PLACES=601, PETRI_TRANSITIONS=635} [2024-10-24 15:40:04,226 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -326 predicate places. [2024-10-24 15:40:04,226 INFO L471 AbstractCegarLoop]: Abstraction has has 601 places, 635 transitions, 1493 flow [2024-10-24 15:40:04,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 797.5) internal successors, (4785), 6 states have internal predecessors, (4785), 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) [2024-10-24 15:40:04,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:04,230 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:04,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:40:04,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:40:04,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:04,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1384010461, now seen corresponding path program 1 times [2024-10-24 15:40:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:04,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451358499] [2024-10-24 15:40:04,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:04,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:04,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:04,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451358499] [2024-10-24 15:40:04,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451358499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:04,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:04,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:40:04,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647238954] [2024-10-24 15:40:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:04,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:40:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:04,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:40:04,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:40:04,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 891 out of 996 [2024-10-24 15:40:04,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 635 transitions, 1493 flow. Second operand has 3 states, 3 states have (on average 893.6666666666666) internal successors, (2681), 3 states have internal predecessors, (2681), 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) [2024-10-24 15:40:04,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:04,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 891 of 996 [2024-10-24 15:40:04,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:04,650 INFO L124 PetriNetUnfolderBase]: 108/2450 cut-off events. [2024-10-24 15:40:04,650 INFO L125 PetriNetUnfolderBase]: For 130/214 co-relation queries the response was YES. [2024-10-24 15:40:04,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2909 conditions, 2450 events. 108/2450 cut-off events. For 130/214 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13854 event pairs, 0 based on Foata normal form. 11/2359 useless extension candidates. Maximal degree in co-relation 2900. Up to 149 conditions per place. [2024-10-24 15:40:04,667 INFO L140 encePairwiseOnDemand]: 993/996 looper letters, 28 selfloop transitions, 2 changer transitions 0/637 dead transitions. [2024-10-24 15:40:04,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 637 transitions, 1561 flow [2024-10-24 15:40:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:40:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:40:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2696 transitions. [2024-10-24 15:40:04,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9022757697456493 [2024-10-24 15:40:04,672 INFO L175 Difference]: Start difference. First operand has 601 places, 635 transitions, 1493 flow. Second operand 3 states and 2696 transitions. [2024-10-24 15:40:04,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 637 transitions, 1561 flow [2024-10-24 15:40:04,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 637 transitions, 1561 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:40:04,683 INFO L231 Difference]: Finished difference. Result has 604 places, 635 transitions, 1501 flow [2024-10-24 15:40:04,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1493, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1501, PETRI_PLACES=604, PETRI_TRANSITIONS=635} [2024-10-24 15:40:04,686 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -323 predicate places. [2024-10-24 15:40:04,686 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 635 transitions, 1501 flow [2024-10-24 15:40:04,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 893.6666666666666) internal successors, (2681), 3 states have internal predecessors, (2681), 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) [2024-10-24 15:40:04,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:04,688 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:04,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:40:04,688 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:40:04,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash 843986637, now seen corresponding path program 1 times [2024-10-24 15:40:04,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:04,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938550084] [2024-10-24 15:40:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:04,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:04,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938550084] [2024-10-24 15:40:04,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938550084] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:40:04,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33338683] [2024-10-24 15:40:04,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:04,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:40:04,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:40:04,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:40:04,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 15:40:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:05,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 15:40:05,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:40:05,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-10-24 15:40:05,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2024-10-24 15:40:05,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-10-24 15:40:05,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2024-10-24 15:40:05,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:40:05,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 154 [2024-10-24 15:40:05,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2024-10-24 15:40:05,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2024-10-24 15:40:05,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:40:05,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 208 [2024-10-24 15:40:05,333 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:40:05,341 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:40:05,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-24 15:40:05,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 57 [2024-10-24 15:40:05,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 128 [2024-10-24 15:40:05,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:40:05,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 128 treesize of output 262 [2024-10-24 15:40:05,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:40:05,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 68 [2024-10-24 15:40:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 15:40:05,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:40:05,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33338683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:05,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:40:05,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 15:40:05,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494578063] [2024-10-24 15:40:05,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:05,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 15:40:06,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 852 out of 996 [2024-10-24 15:40:06,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 635 transitions, 1501 flow. Second operand has 6 states, 6 states have (on average 856.1666666666666) internal successors, (5137), 6 states have internal predecessors, (5137), 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) [2024-10-24 15:40:06,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:06,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 852 of 996 [2024-10-24 15:40:06,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:07,417 INFO L124 PetriNetUnfolderBase]: 249/4051 cut-off events. [2024-10-24 15:40:07,418 INFO L125 PetriNetUnfolderBase]: For 288/461 co-relation queries the response was YES. [2024-10-24 15:40:07,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5077 conditions, 4051 events. 249/4051 cut-off events. For 288/461 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 27877 event pairs, 65 based on Foata normal form. 24/3873 useless extension candidates. Maximal degree in co-relation 5066. Up to 402 conditions per place. [2024-10-24 15:40:07,439 INFO L140 encePairwiseOnDemand]: 985/996 looper letters, 78 selfloop transitions, 22 changer transitions 0/665 dead transitions. [2024-10-24 15:40:07,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 665 transitions, 1812 flow [2024-10-24 15:40:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:40:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:40:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5186 transitions. [2024-10-24 15:40:07,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8678045515394913 [2024-10-24 15:40:07,446 INFO L175 Difference]: Start difference. First operand has 604 places, 635 transitions, 1501 flow. Second operand 6 states and 5186 transitions. [2024-10-24 15:40:07,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 665 transitions, 1812 flow [2024-10-24 15:40:07,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 665 transitions, 1808 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:40:07,457 INFO L231 Difference]: Finished difference. Result has 612 places, 656 transitions, 1679 flow [2024-10-24 15:40:07,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=996, PETRI_DIFFERENCE_MINUEND_FLOW=1497, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1679, PETRI_PLACES=612, PETRI_TRANSITIONS=656} [2024-10-24 15:40:07,460 INFO L277 CegarLoopForPetriNet]: 927 programPoint places, -315 predicate places. [2024-10-24 15:40:07,460 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 656 transitions, 1679 flow [2024-10-24 15:40:07,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 856.1666666666666) internal successors, (5137), 6 states have internal predecessors, (5137), 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) [2024-10-24 15:40:07,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:07,464 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:07,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 15:40:07,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 15:40:07,665 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-24 15:40:07,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:07,666 INFO L85 PathProgramCache]: Analyzing trace with hash 554889771, now seen corresponding path program 1 times [2024-10-24 15:40:07,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:07,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599949789] [2024-10-24 15:40:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:40:07,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:40:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:40:07,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:40:07,785 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:40:07,786 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-10-24 15:40:07,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNKNOWN (41 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-10-24 15:40:07,788 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONUNKNOWN (30 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-10-24 15:40:07,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONUNKNOWN (22 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONUNKNOWN (13 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-10-24 15:40:07,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-10-24 15:40:07,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONUNKNOWN (4 of 54 remaining) [2024-10-24 15:40:07,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-10-24 15:40:07,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-10-24 15:40:07,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-10-24 15:40:07,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-10-24 15:40:07,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:40:07,792 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:07,794 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:40:07,794 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-24 15:40:07,881 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:40:07,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1118 places, 1193 transitions, 2402 flow [2024-10-24 15:40:08,533 INFO L124 PetriNetUnfolderBase]: 248/3126 cut-off events. [2024-10-24 15:40:08,533 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-24 15:40:08,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3138 conditions, 3126 events. 248/3126 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 15803 event pairs, 0 based on Foata normal form. 0/2735 useless extension candidates. Maximal degree in co-relation 1675. Up to 12 conditions per place. [2024-10-24 15:40:08,593 INFO L82 GeneralOperation]: Start removeDead. Operand has 1118 places, 1193 transitions, 2402 flow [2024-10-24 15:40:08,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1118 places, 1193 transitions, 2402 flow [2024-10-24 15:40:08,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:40:08,611 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;@51f1eb20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:40:08,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2024-10-24 15:40:08,613 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:40:08,613 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-10-24 15:40:08,613 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:40:08,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:08,614 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:08,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-10-24 15:40:08,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1061654941, now seen corresponding path program 1 times [2024-10-24 15:40:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:08,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179109695] [2024-10-24 15:40:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:08,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179109695] [2024-10-24 15:40:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179109695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:08,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:08,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:40:08,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36044576] [2024-10-24 15:40:08,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:08,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:40:08,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:08,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:40:08,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:40:08,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1082 out of 1193 [2024-10-24 15:40:08,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1118 places, 1193 transitions, 2402 flow. Second operand has 2 states, 2 states have (on average 1083.0) internal successors, (2166), 2 states have internal predecessors, (2166), 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) [2024-10-24 15:40:08,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:08,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1082 of 1193 [2024-10-24 15:40:08,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:09,656 INFO L124 PetriNetUnfolderBase]: 119/5727 cut-off events. [2024-10-24 15:40:09,656 INFO L125 PetriNetUnfolderBase]: For 38/41 co-relation queries the response was YES. [2024-10-24 15:40:09,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5978 conditions, 5727 events. 119/5727 cut-off events. For 38/41 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 45133 event pairs, 106 based on Foata normal form. 684/6158 useless extension candidates. Maximal degree in co-relation 2166. Up to 229 conditions per place. [2024-10-24 15:40:09,711 INFO L140 encePairwiseOnDemand]: 1127/1193 looper letters, 18 selfloop transitions, 0 changer transitions 6/731 dead transitions. [2024-10-24 15:40:09,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 731 transitions, 1514 flow [2024-10-24 15:40:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:40:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:40:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2248 transitions. [2024-10-24 15:40:09,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.942162615255658 [2024-10-24 15:40:09,716 INFO L175 Difference]: Start difference. First operand has 1118 places, 1193 transitions, 2402 flow. Second operand 2 states and 2248 transitions. [2024-10-24 15:40:09,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 731 places, 731 transitions, 1514 flow [2024-10-24 15:40:09,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 731 transitions, 1514 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:40:09,725 INFO L231 Difference]: Finished difference. Result has 731 places, 725 transitions, 1466 flow [2024-10-24 15:40:09,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1193, PETRI_DIFFERENCE_MINUEND_FLOW=1478, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1466, PETRI_PLACES=731, PETRI_TRANSITIONS=725} [2024-10-24 15:40:09,726 INFO L277 CegarLoopForPetriNet]: 1118 programPoint places, -387 predicate places. [2024-10-24 15:40:09,726 INFO L471 AbstractCegarLoop]: Abstraction has has 731 places, 725 transitions, 1466 flow [2024-10-24 15:40:09,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1083.0) internal successors, (2166), 2 states have internal predecessors, (2166), 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) [2024-10-24 15:40:09,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:09,728 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:09,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:40:09,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-10-24 15:40:09,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1967776228, now seen corresponding path program 1 times [2024-10-24 15:40:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:09,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819742278] [2024-10-24 15:40:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:09,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819742278] [2024-10-24 15:40:09,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819742278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:09,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:09,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:40:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213917360] [2024-10-24 15:40:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:09,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:40:10,694 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 967 out of 1193 [2024-10-24 15:40:10,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 725 transitions, 1466 flow. Second operand has 6 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 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) [2024-10-24 15:40:10,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:10,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 967 of 1193 [2024-10-24 15:40:10,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:23,402 INFO L124 PetriNetUnfolderBase]: 8819/76874 cut-off events. [2024-10-24 15:40:23,402 INFO L125 PetriNetUnfolderBase]: For 191/250 co-relation queries the response was YES. [2024-10-24 15:40:23,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90083 conditions, 76874 events. 8819/76874 cut-off events. For 191/250 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 1100142 event pairs, 7290 based on Foata normal form. 0/72492 useless extension candidates. Maximal degree in co-relation 90078. Up to 13117 conditions per place. [2024-10-24 15:40:23,891 INFO L140 encePairwiseOnDemand]: 1187/1193 looper letters, 63 selfloop transitions, 5 changer transitions 0/724 dead transitions. [2024-10-24 15:40:23,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 724 transitions, 1600 flow [2024-10-24 15:40:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:40:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:40:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5871 transitions. [2024-10-24 15:40:23,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8202011735121543 [2024-10-24 15:40:23,902 INFO L175 Difference]: Start difference. First operand has 731 places, 725 transitions, 1466 flow. Second operand 6 states and 5871 transitions. [2024-10-24 15:40:23,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 724 transitions, 1600 flow [2024-10-24 15:40:23,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 724 transitions, 1600 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:40:23,912 INFO L231 Difference]: Finished difference. Result has 729 places, 724 transitions, 1474 flow [2024-10-24 15:40:23,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1193, PETRI_DIFFERENCE_MINUEND_FLOW=1464, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=719, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1474, PETRI_PLACES=729, PETRI_TRANSITIONS=724} [2024-10-24 15:40:23,914 INFO L277 CegarLoopForPetriNet]: 1118 programPoint places, -389 predicate places. [2024-10-24 15:40:23,914 INFO L471 AbstractCegarLoop]: Abstraction has has 729 places, 724 transitions, 1474 flow [2024-10-24 15:40:23,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 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) [2024-10-24 15:40:23,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:23,921 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:23,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:40:23,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-10-24 15:40:23,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:23,924 INFO L85 PathProgramCache]: Analyzing trace with hash 825688307, now seen corresponding path program 1 times [2024-10-24 15:40:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:23,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762486461] [2024-10-24 15:40:23,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:24,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:24,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762486461] [2024-10-24 15:40:24,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762486461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:24,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:24,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:40:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026400389] [2024-10-24 15:40:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:24,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:40:24,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 967 out of 1193 [2024-10-24 15:40:24,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 724 transitions, 1474 flow. Second operand has 6 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 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) [2024-10-24 15:40:24,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:24,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 967 of 1193 [2024-10-24 15:40:24,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:40:37,979 INFO L124 PetriNetUnfolderBase]: 8819/76873 cut-off events. [2024-10-24 15:40:37,979 INFO L125 PetriNetUnfolderBase]: For 191/250 co-relation queries the response was YES. [2024-10-24 15:40:38,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90088 conditions, 76873 events. 8819/76873 cut-off events. For 191/250 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 1101015 event pairs, 7290 based on Foata normal form. 0/72492 useless extension candidates. Maximal degree in co-relation 90082. Up to 13117 conditions per place. [2024-10-24 15:40:38,439 INFO L140 encePairwiseOnDemand]: 1187/1193 looper letters, 63 selfloop transitions, 5 changer transitions 0/723 dead transitions. [2024-10-24 15:40:38,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 723 transitions, 1608 flow [2024-10-24 15:40:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:40:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:40:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5871 transitions. [2024-10-24 15:40:38,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8202011735121543 [2024-10-24 15:40:38,450 INFO L175 Difference]: Start difference. First operand has 729 places, 724 transitions, 1474 flow. Second operand 6 states and 5871 transitions. [2024-10-24 15:40:38,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 723 transitions, 1608 flow [2024-10-24 15:40:38,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 728 places, 723 transitions, 1598 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:40:38,459 INFO L231 Difference]: Finished difference. Result has 728 places, 723 transitions, 1472 flow [2024-10-24 15:40:38,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1193, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=723, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1472, PETRI_PLACES=728, PETRI_TRANSITIONS=723} [2024-10-24 15:40:38,462 INFO L277 CegarLoopForPetriNet]: 1118 programPoint places, -390 predicate places. [2024-10-24 15:40:38,462 INFO L471 AbstractCegarLoop]: Abstraction has has 728 places, 723 transitions, 1472 flow [2024-10-24 15:40:38,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 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) [2024-10-24 15:40:38,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:40:38,464 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:40:38,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:40:38,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-10-24 15:40:38,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:40:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 295201793, now seen corresponding path program 1 times [2024-10-24 15:40:38,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:40:38,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162059361] [2024-10-24 15:40:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:40:38,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:40:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:40:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:40:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:40:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162059361] [2024-10-24 15:40:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162059361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:40:39,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:40:39,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:40:39,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957440824] [2024-10-24 15:40:39,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:40:39,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:40:39,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:40:39,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:40:39,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:40:39,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 959 out of 1193 [2024-10-24 15:40:39,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 728 places, 723 transitions, 1472 flow. Second operand has 6 states, 6 states have (on average 962.5) internal successors, (5775), 6 states have internal predecessors, (5775), 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) [2024-10-24 15:40:39,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:40:39,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 959 of 1193 [2024-10-24 15:40:39,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand