./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-06 09:38:03,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:38:03,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:38:03,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:38:03,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:38:03,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:38:03,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:38:03,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:38:03,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:38:03,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:38:03,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:38:03,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:38:03,764 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:38:03,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:38:03,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:38:03,765 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:38:03,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:38:03,767 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:03,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:38:03,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:38:03,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:38:03,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:38:03,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:38:03,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:38:03,768 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 [2025-02-06 09:38:04,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:38:04,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:38:04,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:38:04,080 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:38:04,081 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:38:04,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2025-02-06 09:38:05,522 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbccbbf9f/bf429d23d06d45bba77a0c02bfc82eed/FLAG69816ef9c [2025-02-06 09:38:06,055 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:38:06,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2025-02-06 09:38:06,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbccbbf9f/bf429d23d06d45bba77a0c02bfc82eed/FLAG69816ef9c [2025-02-06 09:38:06,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbccbbf9f/bf429d23d06d45bba77a0c02bfc82eed [2025-02-06 09:38:06,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:38:06,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:38:06,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:06,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:38:06,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:38:06,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:06" (1/1) ... [2025-02-06 09:38:06,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68dcdb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:06, skipping insertion in model container [2025-02-06 09:38:06,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:06" (1/1) ... [2025-02-06 09:38:06,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:38:08,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:08,555 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:38:08,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2025-02-06 09:38:08,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2025-02-06 09:38:08,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2025-02-06 09:38:08,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2025-02-06 09:38:08,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2025-02-06 09:38:08,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2025-02-06 09:38:08,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2025-02-06 09:38:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2025-02-06 09:38:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2025-02-06 09:38:08,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2025-02-06 09:38:08,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2025-02-06 09:38:08,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2025-02-06 09:38:08,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2025-02-06 09:38:08,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2025-02-06 09:38:08,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2025-02-06 09:38:08,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2025-02-06 09:38:08,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2025-02-06 09:38:08,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2025-02-06 09:38:08,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2025-02-06 09:38:08,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2025-02-06 09:38:08,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2025-02-06 09:38:08,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2025-02-06 09:38:08,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2025-02-06 09:38:08,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2025-02-06 09:38:08,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2025-02-06 09:38:08,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2025-02-06 09:38:08,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2025-02-06 09:38:08,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2025-02-06 09:38:08,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2025-02-06 09:38:08,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2025-02-06 09:38:08,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2025-02-06 09:38:08,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2025-02-06 09:38:08,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2025-02-06 09:38:08,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2025-02-06 09:38:08,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2025-02-06 09:38:08,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2025-02-06 09:38:08,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2025-02-06 09:38:08,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2025-02-06 09:38:08,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2025-02-06 09:38:08,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2025-02-06 09:38:08,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2025-02-06 09:38:08,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2025-02-06 09:38:08,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2025-02-06 09:38:08,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2025-02-06 09:38:08,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2025-02-06 09:38:08,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2025-02-06 09:38:08,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2025-02-06 09:38:08,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2025-02-06 09:38:08,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2025-02-06 09:38:08,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2025-02-06 09:38:08,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2025-02-06 09:38:08,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2025-02-06 09:38:08,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2025-02-06 09:38:08,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2025-02-06 09:38:08,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2025-02-06 09:38:08,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2025-02-06 09:38:08,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2025-02-06 09:38:08,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2025-02-06 09:38:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2025-02-06 09:38:08,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2025-02-06 09:38:08,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2025-02-06 09:38:08,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2025-02-06 09:38:08,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2025-02-06 09:38:08,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2025-02-06 09:38:08,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2025-02-06 09:38:08,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2025-02-06 09:38:08,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2025-02-06 09:38:08,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2025-02-06 09:38:08,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2025-02-06 09:38:08,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2025-02-06 09:38:08,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2025-02-06 09:38:08,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2025-02-06 09:38:08,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2025-02-06 09:38:08,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2025-02-06 09:38:08,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2025-02-06 09:38:08,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2025-02-06 09:38:08,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2025-02-06 09:38:08,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2025-02-06 09:38:08,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2025-02-06 09:38:08,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2025-02-06 09:38:08,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2025-02-06 09:38:08,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2025-02-06 09:38:08,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2025-02-06 09:38:08,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2025-02-06 09:38:08,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2025-02-06 09:38:08,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2025-02-06 09:38:08,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2025-02-06 09:38:08,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2025-02-06 09:38:08,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2025-02-06 09:38:08,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2025-02-06 09:38:08,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2025-02-06 09:38:08,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2025-02-06 09:38:08,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2025-02-06 09:38:08,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2025-02-06 09:38:08,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2025-02-06 09:38:08,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2025-02-06 09:38:08,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2025-02-06 09:38:08,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2025-02-06 09:38:08,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2025-02-06 09:38:08,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2025-02-06 09:38:08,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:09,025 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:38:09,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09 WrapperNode [2025-02-06 09:38:09,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:09,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:09,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:38:09,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:38:09,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,197 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 941 [2025-02-06 09:38:09,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:09,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:38:09,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:38:09,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:38:09,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:38:09,307 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:38:09,307 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:38:09,307 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:38:09,308 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:09,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:38:09,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:38:09,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:38:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:38:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 09:38:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:38:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:38:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-02-06 09:38:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-02-06 09:38:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 09:38:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:38:09,373 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:38:09,587 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:38:09,589 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:38:10,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-02-06 09:38:10,805 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-9: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-18: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438-9: havoc vatomic32_read_rlx_#t~ret116#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-9: havoc vatomic32_read_acq_#t~ret117#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-18: havoc vatomic32_read_acq_#t~ret117#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-27: havoc vatomic32_read_acq_#t~ret117#1; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043: havoc main_~#r~0#1.base, main_~#r~0#1.offset; [2025-02-06 09:38:10,806 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6043-1: SUMMARY for call ULTIMATE.dealloc(main_~#r~0#1.base, main_~#r~0#1.offset); srcloc: null [2025-02-06 09:38:10,807 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2808: havoc vatomic32_await_eq_rlx_#t~ret172#1; [2025-02-06 09:38:11,009 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-02-06 09:38:11,010 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019: havoc ~#xbo~0#1.base, ~#xbo~0#1.offset; [2025-02-06 09:38:11,010 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019-1: SUMMARY for call ULTIMATE.dealloc(~#xbo~0#1.base, ~#xbo~0#1.offset); srcloc: null [2025-02-06 09:38:11,010 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-02-06 09:38:11,010 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-02-06 09:38:11,013 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:38:11,014 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:38:11,261 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:38:11,262 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:38:11,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:11 BoogieIcfgContainer [2025-02-06 09:38:11,262 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:38:11,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:38:11,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:38:11,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:38:11,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:38:06" (1/3) ... [2025-02-06 09:38:11,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74170628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:11, skipping insertion in model container [2025-02-06 09:38:11,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09" (2/3) ... [2025-02-06 09:38:11,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74170628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:11, skipping insertion in model container [2025-02-06 09:38:11,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:11" (3/3) ... [2025-02-06 09:38:11,272 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2025-02-06 09:38:11,290 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:38:11,291 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_full.i that has 2 procedures, 963 locations, 1 initial locations, 23 loop locations, and 48 error locations. [2025-02-06 09:38:11,293 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:38:11,480 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:38:11,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 966 places, 1028 transitions, 2063 flow [2025-02-06 09:38:12,212 INFO L124 PetriNetUnfolderBase]: 116/1697 cut-off events. [2025-02-06 09:38:12,214 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:38:12,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1702 conditions, 1697 events. 116/1697 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5949 event pairs, 0 based on Foata normal form. 0/1498 useless extension candidates. Maximal degree in co-relation 875. Up to 6 conditions per place. [2025-02-06 09:38:12,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 966 places, 1028 transitions, 2063 flow [2025-02-06 09:38:12,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 966 places, 1028 transitions, 2063 flow [2025-02-06 09:38:12,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:12,304 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;@6071131, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:12,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2025-02-06 09:38:12,317 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:12,317 INFO L124 PetriNetUnfolderBase]: 8/67 cut-off events. [2025-02-06 09:38:12,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:12,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:12,318 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:12,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:12,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1799659415, now seen corresponding path program 1 times [2025-02-06 09:38:12,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:12,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177124983] [2025-02-06 09:38:12,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:12,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:38:12,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:38:12,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:12,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:12,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:12,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177124983] [2025-02-06 09:38:12,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177124983] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:12,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:12,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284580093] [2025-02-06 09:38:12,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:12,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:12,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:12,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:12,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:12,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 928 out of 1028 [2025-02-06 09:38:12,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 1028 transitions, 2063 flow. Second operand has 2 states, 2 states have (on average 929.0) internal successors, (1858), 2 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:12,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:12,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 928 of 1028 [2025-02-06 09:38:12,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:13,827 INFO L124 PetriNetUnfolderBase]: 105/3825 cut-off events. [2025-02-06 09:38:13,827 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:38:13,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 3825 events. 105/3825 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 24779 event pairs, 52 based on Foata normal form. 280/3919 useless extension candidates. Maximal degree in co-relation 3209. Up to 141 conditions per place. [2025-02-06 09:38:13,868 INFO L140 encePairwiseOnDemand]: 951/1028 looper letters, 23 selfloop transitions, 0 changer transitions 6/937 dead transitions. [2025-02-06 09:38:13,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 928 places, 937 transitions, 1927 flow [2025-02-06 09:38:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1956 transitions. [2025-02-06 09:38:13,897 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513618677042801 [2025-02-06 09:38:13,899 INFO L175 Difference]: Start difference. First operand has 966 places, 1028 transitions, 2063 flow. Second operand 2 states and 1956 transitions. [2025-02-06 09:38:13,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 928 places, 937 transitions, 1927 flow [2025-02-06 09:38:13,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 937 transitions, 1927 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:13,933 INFO L231 Difference]: Finished difference. Result has 928 places, 931 transitions, 1869 flow [2025-02-06 09:38:13,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=1881, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=937, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1869, PETRI_PLACES=928, PETRI_TRANSITIONS=931} [2025-02-06 09:38:13,942 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -38 predicate places. [2025-02-06 09:38:13,943 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 931 transitions, 1869 flow [2025-02-06 09:38:13,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 929.0) internal successors, (1858), 2 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:13,945 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:13,945 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:13,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:38:13,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:13,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:13,947 INFO L85 PathProgramCache]: Analyzing trace with hash -732471720, now seen corresponding path program 1 times [2025-02-06 09:38:13,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:13,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333558896] [2025-02-06 09:38:13,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:13,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:13,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 09:38:14,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 09:38:14,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:14,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333558896] [2025-02-06 09:38:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333558896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:14,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:14,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:14,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868200913] [2025-02-06 09:38:14,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:14,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:14,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:14,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:15,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 833 out of 1028 [2025-02-06 09:38:15,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 931 transitions, 1869 flow. Second operand has 6 states, 6 states have (on average 834.3333333333334) internal successors, (5006), 6 states have internal predecessors, (5006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:15,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:15,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 833 of 1028 [2025-02-06 09:38:15,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:19,195 INFO L124 PetriNetUnfolderBase]: 2305/17583 cut-off events. [2025-02-06 09:38:19,195 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2025-02-06 09:38:19,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21738 conditions, 17583 events. 2305/17583 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 176579 event pairs, 1848 based on Foata normal form. 0/16582 useless extension candidates. Maximal degree in co-relation 21734. Up to 4143 conditions per place. [2025-02-06 09:38:19,293 INFO L140 encePairwiseOnDemand]: 1022/1028 looper letters, 112 selfloop transitions, 5 changer transitions 0/930 dead transitions. [2025-02-06 09:38:19,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 926 places, 930 transitions, 2101 flow [2025-02-06 09:38:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5116 transitions. [2025-02-06 09:38:19,307 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294422827496758 [2025-02-06 09:38:19,308 INFO L175 Difference]: Start difference. First operand has 928 places, 931 transitions, 1869 flow. Second operand 6 states and 5116 transitions. [2025-02-06 09:38:19,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 926 places, 930 transitions, 2101 flow [2025-02-06 09:38:19,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 926 places, 930 transitions, 2101 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:19,323 INFO L231 Difference]: Finished difference. Result has 926 places, 930 transitions, 1877 flow [2025-02-06 09:38:19,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=1867, PETRI_DIFFERENCE_MINUEND_PLACES=921, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1877, PETRI_PLACES=926, PETRI_TRANSITIONS=930} [2025-02-06 09:38:19,325 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -40 predicate places. [2025-02-06 09:38:19,326 INFO L471 AbstractCegarLoop]: Abstraction has has 926 places, 930 transitions, 1877 flow [2025-02-06 09:38:19,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 834.3333333333334) internal successors, (5006), 6 states have internal predecessors, (5006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:19,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:19,329 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:19,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:38:19,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:19,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:19,330 INFO L85 PathProgramCache]: Analyzing trace with hash -331387642, now seen corresponding path program 1 times [2025-02-06 09:38:19,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:19,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022287314] [2025-02-06 09:38:19,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:19,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:19,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 09:38:19,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 09:38:19,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:19,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:19,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:19,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022287314] [2025-02-06 09:38:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022287314] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258029189] [2025-02-06 09:38:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:19,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:19,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:19,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:19,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:20,382 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 833 out of 1028 [2025-02-06 09:38:20,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 926 places, 930 transitions, 1877 flow. Second operand has 6 states, 6 states have (on average 834.3333333333334) internal successors, (5006), 6 states have internal predecessors, (5006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:20,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:20,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 833 of 1028 [2025-02-06 09:38:20,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:23,492 INFO L124 PetriNetUnfolderBase]: 2305/17582 cut-off events. [2025-02-06 09:38:23,492 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2025-02-06 09:38:23,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21743 conditions, 17582 events. 2305/17582 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 176349 event pairs, 1848 based on Foata normal form. 0/16582 useless extension candidates. Maximal degree in co-relation 21738. Up to 4143 conditions per place. [2025-02-06 09:38:23,558 INFO L140 encePairwiseOnDemand]: 1022/1028 looper letters, 112 selfloop transitions, 5 changer transitions 0/929 dead transitions. [2025-02-06 09:38:23,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 929 transitions, 2109 flow [2025-02-06 09:38:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5116 transitions. [2025-02-06 09:38:23,570 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294422827496758 [2025-02-06 09:38:23,570 INFO L175 Difference]: Start difference. First operand has 926 places, 930 transitions, 1877 flow. Second operand 6 states and 5116 transitions. [2025-02-06 09:38:23,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 929 transitions, 2109 flow [2025-02-06 09:38:23,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 925 places, 929 transitions, 2099 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:38:23,583 INFO L231 Difference]: Finished difference. Result has 925 places, 929 transitions, 1875 flow [2025-02-06 09:38:23,585 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=1865, PETRI_DIFFERENCE_MINUEND_PLACES=920, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1875, PETRI_PLACES=925, PETRI_TRANSITIONS=929} [2025-02-06 09:38:23,586 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -41 predicate places. [2025-02-06 09:38:23,586 INFO L471 AbstractCegarLoop]: Abstraction has has 925 places, 929 transitions, 1875 flow [2025-02-06 09:38:23,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 834.3333333333334) internal successors, (5006), 6 states have internal predecessors, (5006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:23,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:23,589 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:23,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:38:23,590 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:23,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1665794813, now seen corresponding path program 1 times [2025-02-06 09:38:23,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:23,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568911535] [2025-02-06 09:38:23,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:23,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-06 09:38:23,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 09:38:23,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:23,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:25,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:25,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568911535] [2025-02-06 09:38:25,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568911535] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:25,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:25,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:25,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850114476] [2025-02-06 09:38:25,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:25,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:25,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:25,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:25,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 825 out of 1028 [2025-02-06 09:38:25,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 925 places, 929 transitions, 1875 flow. Second operand has 6 states, 6 states have (on average 828.5) internal successors, (4971), 6 states have internal predecessors, (4971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:25,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:25,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 825 of 1028 [2025-02-06 09:38:25,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:29,324 INFO L124 PetriNetUnfolderBase]: 2625/19191 cut-off events. [2025-02-06 09:38:29,324 INFO L125 PetriNetUnfolderBase]: For 20/33 co-relation queries the response was YES. [2025-02-06 09:38:29,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23979 conditions, 19191 events. 2625/19191 cut-off events. For 20/33 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 192252 event pairs, 1895 based on Foata normal form. 4/18101 useless extension candidates. Maximal degree in co-relation 23974. Up to 4620 conditions per place. [2025-02-06 09:38:29,422 INFO L140 encePairwiseOnDemand]: 997/1028 looper letters, 125 selfloop transitions, 102 changer transitions 0/1030 dead transitions. [2025-02-06 09:38:29,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 1030 transitions, 2531 flow [2025-02-06 09:38:29,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5178 transitions. [2025-02-06 09:38:29,435 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8394941634241245 [2025-02-06 09:38:29,435 INFO L175 Difference]: Start difference. First operand has 925 places, 929 transitions, 1875 flow. Second operand 6 states and 5178 transitions. [2025-02-06 09:38:29,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 1030 transitions, 2531 flow [2025-02-06 09:38:29,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 925 places, 1030 transitions, 2521 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:38:29,462 INFO L231 Difference]: Finished difference. Result has 930 places, 1030 transitions, 2535 flow [2025-02-06 09:38:29,464 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=1865, PETRI_DIFFERENCE_MINUEND_PLACES=920, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2535, PETRI_PLACES=930, PETRI_TRANSITIONS=1030} [2025-02-06 09:38:29,466 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -36 predicate places. [2025-02-06 09:38:29,466 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 1030 transitions, 2535 flow [2025-02-06 09:38:29,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 828.5) internal successors, (4971), 6 states have internal predecessors, (4971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:29,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:29,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:38:29,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:29,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:29,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1539250040, now seen corresponding path program 1 times [2025-02-06 09:38:29,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:29,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103452563] [2025-02-06 09:38:29,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:29,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:29,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-06 09:38:29,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 09:38:29,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:29,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 09:38:29,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:29,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103452563] [2025-02-06 09:38:29,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103452563] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:29,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:29,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:38:29,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56266237] [2025-02-06 09:38:29,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:29,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:29,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:29,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:29,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:29,697 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 922 out of 1028 [2025-02-06 09:38:29,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 1030 transitions, 2535 flow. Second operand has 3 states, 3 states have (on average 924.6666666666666) internal successors, (2774), 3 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:29,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:29,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 922 of 1028 [2025-02-06 09:38:29,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:30,821 INFO L124 PetriNetUnfolderBase]: 293/5379 cut-off events. [2025-02-06 09:38:30,822 INFO L125 PetriNetUnfolderBase]: For 327/740 co-relation queries the response was YES. [2025-02-06 09:38:30,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6394 conditions, 5379 events. 293/5379 cut-off events. For 327/740 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 39888 event pairs, 0 based on Foata normal form. 18/5141 useless extension candidates. Maximal degree in co-relation 6385. Up to 365 conditions per place. [2025-02-06 09:38:30,862 INFO L140 encePairwiseOnDemand]: 1025/1028 looper letters, 47 selfloop transitions, 2 changer transitions 0/1034 dead transitions. [2025-02-06 09:38:30,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 1034 transitions, 2649 flow [2025-02-06 09:38:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2800 transitions. [2025-02-06 09:38:30,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9079118028534371 [2025-02-06 09:38:30,868 INFO L175 Difference]: Start difference. First operand has 930 places, 1030 transitions, 2535 flow. Second operand 3 states and 2800 transitions. [2025-02-06 09:38:30,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 1034 transitions, 2649 flow [2025-02-06 09:38:30,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 1034 transitions, 2649 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:30,887 INFO L231 Difference]: Finished difference. Result has 933 places, 1030 transitions, 2543 flow [2025-02-06 09:38:30,889 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=2535, PETRI_DIFFERENCE_MINUEND_PLACES=930, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1030, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2543, PETRI_PLACES=933, PETRI_TRANSITIONS=1030} [2025-02-06 09:38:30,889 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -33 predicate places. [2025-02-06 09:38:30,889 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 1030 transitions, 2543 flow [2025-02-06 09:38:30,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 924.6666666666666) internal successors, (2774), 3 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:30,891 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:30,892 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:30,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:38:30,892 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:30,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:30,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1508975634, now seen corresponding path program 1 times [2025-02-06 09:38:30,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:30,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656738772] [2025-02-06 09:38:30,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:30,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:30,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-06 09:38:30,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-06 09:38:30,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:30,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 09:38:31,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656738772] [2025-02-06 09:38:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656738772] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:31,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:31,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:31,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877803790] [2025-02-06 09:38:31,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:31,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:38:31,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:31,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:38:31,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:38:31,236 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 920 out of 1028 [2025-02-06 09:38:31,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 1030 transitions, 2543 flow. Second operand has 5 states, 5 states have (on average 922.4) internal successors, (4612), 5 states have internal predecessors, (4612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:31,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:31,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 920 of 1028 [2025-02-06 09:38:31,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:31,741 INFO L124 PetriNetUnfolderBase]: 188/1790 cut-off events. [2025-02-06 09:38:31,741 INFO L125 PetriNetUnfolderBase]: For 261/388 co-relation queries the response was YES. [2025-02-06 09:38:31,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 1790 events. 188/1790 cut-off events. For 261/388 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10184 event pairs, 0 based on Foata normal form. 50/1769 useless extension candidates. Maximal degree in co-relation 2607. Up to 309 conditions per place. [2025-02-06 09:38:31,746 INFO L140 encePairwiseOnDemand]: 1023/1028 looper letters, 38 selfloop transitions, 4 changer transitions 0/448 dead transitions. [2025-02-06 09:38:31,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 448 transitions, 1482 flow [2025-02-06 09:38:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5547 transitions. [2025-02-06 09:38:31,756 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.89931906614786 [2025-02-06 09:38:31,756 INFO L175 Difference]: Start difference. First operand has 933 places, 1030 transitions, 2543 flow. Second operand 6 states and 5547 transitions. [2025-02-06 09:38:31,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 448 transitions, 1482 flow [2025-02-06 09:38:31,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 448 transitions, 1476 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 09:38:31,765 INFO L231 Difference]: Finished difference. Result has 350 places, 436 transitions, 1352 flow [2025-02-06 09:38:31,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1028, PETRI_DIFFERENCE_MINUEND_FLOW=1344, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1352, PETRI_PLACES=350, PETRI_TRANSITIONS=436} [2025-02-06 09:38:31,767 INFO L279 CegarLoopForPetriNet]: 966 programPoint places, -616 predicate places. [2025-02-06 09:38:31,767 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 436 transitions, 1352 flow [2025-02-06 09:38:31,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 922.4) internal successors, (4612), 5 states have internal predecessors, (4612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:31,771 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:31,771 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:31,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:38:31,771 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-02-06 09:38:31,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:31,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1038535546, now seen corresponding path program 1 times [2025-02-06 09:38:31,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:31,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822100159] [2025-02-06 09:38:31,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:31,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:31,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 09:38:31,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 09:38:31,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:31,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:31,839 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:38:31,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-06 09:38:31,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-06 09:38:31,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:31,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:31,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:38:31,938 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:38:31,939 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2025-02-06 09:38:31,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2025-02-06 09:38:31,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2025-02-06 09:38:31,940 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2025-02-06 09:38:31,941 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2025-02-06 09:38:31,942 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2025-02-06 09:38:31,943 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2025-02-06 09:38:31,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2025-02-06 09:38:31,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:38:31,946 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:31,952 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:38:31,952 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:38:32,092 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:38:32,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1164 places, 1230 transitions, 2476 flow [2025-02-06 09:38:32,862 INFO L124 PetriNetUnfolderBase]: 225/3239 cut-off events. [2025-02-06 09:38:32,863 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-02-06 09:38:32,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3251 conditions, 3239 events. 225/3239 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 16820 event pairs, 0 based on Foata normal form. 0/2857 useless extension candidates. Maximal degree in co-relation 1736. Up to 12 conditions per place. [2025-02-06 09:38:32,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 1164 places, 1230 transitions, 2476 flow [2025-02-06 09:38:32,989 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1164 places, 1230 transitions, 2476 flow [2025-02-06 09:38:32,990 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:32,990 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;@6071131, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:32,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2025-02-06 09:38:32,994 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:32,994 INFO L124 PetriNetUnfolderBase]: 8/67 cut-off events. [2025-02-06 09:38:32,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:32,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:32,995 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:32,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2025-02-06 09:38:32,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1222708919, now seen corresponding path program 1 times [2025-02-06 09:38:32,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:32,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535002597] [2025-02-06 09:38:32,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:33,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:38:33,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:38:33,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:33,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:33,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535002597] [2025-02-06 09:38:33,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535002597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:33,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:33,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:33,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154018971] [2025-02-06 09:38:33,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:33,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:33,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:33,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:33,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:33,019 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1118 out of 1230 [2025-02-06 09:38:33,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1164 places, 1230 transitions, 2476 flow. Second operand has 2 states, 2 states have (on average 1119.0) internal successors, (2238), 2 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:33,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:33,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1118 of 1230 [2025-02-06 09:38:33,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:39,046 INFO L124 PetriNetUnfolderBase]: 971/22707 cut-off events. [2025-02-06 09:38:39,046 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2025-02-06 09:38:39,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23910 conditions, 22707 events. 971/22707 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 261285 event pairs, 652 based on Foata normal form. 1724/23330 useless extension candidates. Maximal degree in co-relation 6535. Up to 1171 conditions per place. [2025-02-06 09:38:39,272 INFO L140 encePairwiseOnDemand]: 1147/1230 looper letters, 29 selfloop transitions, 0 changer transitions 6/1133 dead transitions. [2025-02-06 09:38:39,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1121 places, 1133 transitions, 2340 flow [2025-02-06 09:38:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2348 transitions. [2025-02-06 09:38:39,276 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9544715447154472 [2025-02-06 09:38:39,276 INFO L175 Difference]: Start difference. First operand has 1164 places, 1230 transitions, 2476 flow. Second operand 2 states and 2348 transitions. [2025-02-06 09:38:39,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1121 places, 1133 transitions, 2340 flow [2025-02-06 09:38:39,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1121 places, 1133 transitions, 2340 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:39,291 INFO L231 Difference]: Finished difference. Result has 1121 places, 1127 transitions, 2270 flow [2025-02-06 09:38:39,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1230, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=1120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2270, PETRI_PLACES=1121, PETRI_TRANSITIONS=1127} [2025-02-06 09:38:39,293 INFO L279 CegarLoopForPetriNet]: 1164 programPoint places, -43 predicate places. [2025-02-06 09:38:39,293 INFO L471 AbstractCegarLoop]: Abstraction has has 1121 places, 1127 transitions, 2270 flow [2025-02-06 09:38:39,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1119.0) internal successors, (2238), 2 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:39,295 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:39,295 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:39,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:38:39,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2025-02-06 09:38:39,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:39,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2004682458, now seen corresponding path program 1 times [2025-02-06 09:38:39,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:39,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839253640] [2025-02-06 09:38:39,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:39,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:39,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 09:38:39,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 09:38:39,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:39,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:39,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:39,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839253640] [2025-02-06 09:38:39,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839253640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:39,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:39,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:39,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365016779] [2025-02-06 09:38:39,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:39,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:39,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:39,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:39,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:40,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1230 [2025-02-06 09:38:40,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1121 places, 1127 transitions, 2270 flow. Second operand has 6 states, 6 states have (on average 1004.3333333333334) internal successors, (6026), 6 states have internal predecessors, (6026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:40,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:40,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1230 [2025-02-06 09:38:40,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand