./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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 07:08:24,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:24,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 07:08:24,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:24,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:24,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:24,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:24,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:24,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:24,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:24,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:08:24,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:08:24,573 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 07:08:24,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:24,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:24,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:08:24,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:08:24,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:08:24,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:24,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:24,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:08:24,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:24,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:24,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:24,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:08:24,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:24,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:08:24,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:24,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:24,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:24,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 07:08:24,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:08:24,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:24,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 07:08:24,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 07:08:24,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:08:24,587 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-09 07:08:24,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:24,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:24,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:24,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:24,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:24,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-09 07:08:26,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:26,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:26,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-09 07:08:26,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9862449/b5bc2c5cb0c24a1e9780e88def3c9606/FLAG16c1f0b31 [2024-11-09 07:08:26,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9862449/b5bc2c5cb0c24a1e9780e88def3c9606 [2024-11-09 07:08:26,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:26,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:26,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:26,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:26,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:26,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:26" (1/1) ... [2024-11-09 07:08:26,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48dedcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:26, skipping insertion in model container [2024-11-09 07:08:26,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:26" (1/1) ... [2024-11-09 07:08:27,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:30,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:30,835 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:30,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-09 07:08:30,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-09 07:08:30,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-09 07:08:31,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-09 07:08:31,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-09 07:08:31,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-09 07:08:31,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-09 07:08:31,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-09 07:08:31,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-09 07:08:31,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-09 07:08:31,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-09 07:08:31,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-09 07:08:31,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-09 07:08:31,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-09 07:08:31,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-09 07:08:31,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-09 07:08:31,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-09 07:08:31,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-09 07:08:31,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-09 07:08:31,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-09 07:08:31,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-09 07:08:31,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-09 07:08:31,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-09 07:08:31,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-09 07:08:31,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-09 07:08:31,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-09 07:08:31,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-09 07:08:31,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-09 07:08:31,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-09 07:08:31,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-09 07:08:31,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-09 07:08:31,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-09 07:08:31,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-09 07:08:31,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-09 07:08:31,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-09 07:08:31,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-09 07:08:31,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-09 07:08:31,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-09 07:08:31,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-09 07:08:31,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-09 07:08:31,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-09 07:08:31,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-09 07:08:31,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-09 07:08:31,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-09 07:08:31,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-09 07:08:31,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-09 07:08:31,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-09 07:08:31,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-09 07:08:31,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-09 07:08:31,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-09 07:08:31,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-09 07:08:31,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-09 07:08:31,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-09 07:08:31,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-09 07:08:31,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-09 07:08:31,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-09 07:08:31,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-09 07:08:31,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-09 07:08:31,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-09 07:08:31,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-09 07:08:31,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-09 07:08:31,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-09 07:08:31,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-09 07:08:31,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-09 07:08:31,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-09 07:08:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-09 07:08:31,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-09 07:08:31,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-09 07:08:31,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-09 07:08:31,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-09 07:08:31,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-09 07:08:31,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-09 07:08:31,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-09 07:08:31,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-09 07:08:31,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-09 07:08:31,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-09 07:08:31,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-09 07:08:31,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-09 07:08:31,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-09 07:08:31,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-09 07:08:31,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-09 07:08:31,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-09 07:08:31,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-09 07:08:31,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-09 07:08:31,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-09 07:08:31,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-09 07:08:31,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-09 07:08:31,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-09 07:08:31,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-09 07:08:31,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-09 07:08:31,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-09 07:08:31,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-09 07:08:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-09 07:08:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-09 07:08:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-09 07:08:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-09 07:08:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-09 07:08:31,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-09 07:08:31,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-09 07:08:31,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-09 07:08:31,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:31,456 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:31,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31 WrapperNode [2024-11-09 07:08:31,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:31,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:31,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:31,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,713 INFO L138 Inliner]: procedures = 914, calls = 957, calls flagged for inlining = 822, calls inlined = 64, statements flattened = 970 [2024-11-09 07:08:31,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:31,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:31,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:31,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:31,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:31,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 07:08:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:08:31,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:31,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:08:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:08:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-09 07:08:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-09 07:08:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:08:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:08:31,985 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 07:08:32,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:32,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:33,767 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:08:33,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:34,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:34,088 INFO L316 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-09 07:08:34,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:34 BoogieIcfgContainer [2024-11-09 07:08:34,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:34,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:34,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:34,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:34,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:26" (1/3) ... [2024-11-09 07:08:34,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc9e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:34, skipping insertion in model container [2024-11-09 07:08:34,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (2/3) ... [2024-11-09 07:08:34,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfc9e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:34, skipping insertion in model container [2024-11-09 07:08:34,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:34" (3/3) ... [2024-11-09 07:08:34,102 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-09 07:08:34,122 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:34,122 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-11-09 07:08:34,122 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:08:34,313 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 07:08:34,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-09 07:08:35,110 INFO L124 PetriNetUnfolderBase]: 121/1682 cut-off events. [2024-11-09 07:08:35,111 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 07:08:35,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1682 events. 121/1682 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5799 event pairs, 0 based on Foata normal form. 0/1478 useless extension candidates. Maximal degree in co-relation 869. Up to 6 conditions per place. [2024-11-09 07:08:35,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 955 places, 1020 transitions, 2047 flow [2024-11-09 07:08:35,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 955 places, 1020 transitions, 2047 flow [2024-11-09 07:08:35,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:35,208 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;@ea65830, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:35,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-11-09 07:08:35,216 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:08:35,217 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-09 07:08:35,217 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:08:35,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:35,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:35,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:35,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:35,225 INFO L85 PathProgramCache]: Analyzing trace with hash 771575059, now seen corresponding path program 1 times [2024-11-09 07:08:35,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:35,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761104542] [2024-11-09 07:08:35,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:35,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761104542] [2024-11-09 07:08:35,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761104542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:35,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:35,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:08:35,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132646129] [2024-11-09 07:08:35,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:35,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:08:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:08:35,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:08:35,562 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 917 out of 1020 [2024-11-09 07:08:35,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 1020 transitions, 2047 flow. Second operand has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:35,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:35,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 917 of 1020 [2024-11-09 07:08:35,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:36,850 INFO L124 PetriNetUnfolderBase]: 105/3769 cut-off events. [2024-11-09 07:08:36,850 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:08:36,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3915 conditions, 3769 events. 105/3769 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 24008 event pairs, 52 based on Foata normal form. 282/3865 useless extension candidates. Maximal degree in co-relation 3164. Up to 141 conditions per place. [2024-11-09 07:08:36,885 INFO L140 encePairwiseOnDemand]: 940/1020 looper letters, 23 selfloop transitions, 0 changer transitions 6/926 dead transitions. [2024-11-09 07:08:36,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 926 transitions, 1905 flow [2024-11-09 07:08:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:08:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-09 07:08:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1937 transitions. [2024-11-09 07:08:36,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9495098039215686 [2024-11-09 07:08:36,912 INFO L175 Difference]: Start difference. First operand has 955 places, 1020 transitions, 2047 flow. Second operand 2 states and 1937 transitions. [2024-11-09 07:08:36,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 926 transitions, 1905 flow [2024-11-09 07:08:36,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 917 places, 926 transitions, 1905 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:36,938 INFO L231 Difference]: Finished difference. Result has 917 places, 920 transitions, 1847 flow [2024-11-09 07:08:36,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1859, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1847, PETRI_PLACES=917, PETRI_TRANSITIONS=920} [2024-11-09 07:08:36,946 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -38 predicate places. [2024-11-09 07:08:36,947 INFO L471 AbstractCegarLoop]: Abstraction has has 917 places, 920 transitions, 1847 flow [2024-11-09 07:08:36,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 918.0) internal successors, (1836), 2 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:36,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:36,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:36,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:08:36,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:36,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:36,950 INFO L85 PathProgramCache]: Analyzing trace with hash 433427019, now seen corresponding path program 1 times [2024-11-09 07:08:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:36,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726888805] [2024-11-09 07:08:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:36,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:37,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:37,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726888805] [2024-11-09 07:08:37,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726888805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:37,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:37,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55598570] [2024-11-09 07:08:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:37,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:37,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:37,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:37,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:38,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-09 07:08:38,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 917 places, 920 transitions, 1847 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:38,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:38,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-09 07:08:38,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:42,594 INFO L124 PetriNetUnfolderBase]: 2302/17678 cut-off events. [2024-11-09 07:08:42,594 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-09 07:08:42,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21836 conditions, 17678 events. 2302/17678 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 177584 event pairs, 1848 based on Foata normal form. 0/16619 useless extension candidates. Maximal degree in co-relation 21832. Up to 4146 conditions per place. [2024-11-09 07:08:42,734 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/919 dead transitions. [2024-11-09 07:08:42,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 919 transitions, 2079 flow [2024-11-09 07:08:42,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-09 07:08:42,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-09 07:08:42,747 INFO L175 Difference]: Start difference. First operand has 917 places, 920 transitions, 1847 flow. Second operand 6 states and 5050 transitions. [2024-11-09 07:08:42,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 919 transitions, 2079 flow [2024-11-09 07:08:42,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 915 places, 919 transitions, 2079 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:42,769 INFO L231 Difference]: Finished difference. Result has 915 places, 919 transitions, 1855 flow [2024-11-09 07:08:42,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1845, PETRI_DIFFERENCE_MINUEND_PLACES=910, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1855, PETRI_PLACES=915, PETRI_TRANSITIONS=919} [2024-11-09 07:08:42,772 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -40 predicate places. [2024-11-09 07:08:42,772 INFO L471 AbstractCegarLoop]: Abstraction has has 915 places, 919 transitions, 1855 flow [2024-11-09 07:08:42,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:42,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:42,776 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:42,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:08:42,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:42,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash -809091160, now seen corresponding path program 1 times [2024-11-09 07:08:42,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:42,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260498194] [2024-11-09 07:08:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:43,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:43,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260498194] [2024-11-09 07:08:43,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260498194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:43,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:43,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:43,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533888258] [2024-11-09 07:08:43,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:43,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:43,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 822 out of 1020 [2024-11-09 07:08:43,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 915 places, 919 transitions, 1855 flow. Second operand has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:43,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:43,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 822 of 1020 [2024-11-09 07:08:43,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:47,354 INFO L124 PetriNetUnfolderBase]: 2302/17677 cut-off events. [2024-11-09 07:08:47,354 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-09 07:08:47,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21841 conditions, 17677 events. 2302/17677 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 177102 event pairs, 1848 based on Foata normal form. 0/16619 useless extension candidates. Maximal degree in co-relation 21836. Up to 4146 conditions per place. [2024-11-09 07:08:47,635 INFO L140 encePairwiseOnDemand]: 1014/1020 looper letters, 112 selfloop transitions, 5 changer transitions 0/918 dead transitions. [2024-11-09 07:08:47,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 918 transitions, 2087 flow [2024-11-09 07:08:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5050 transitions. [2024-11-09 07:08:47,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8251633986928104 [2024-11-09 07:08:47,648 INFO L175 Difference]: Start difference. First operand has 915 places, 919 transitions, 1855 flow. Second operand 6 states and 5050 transitions. [2024-11-09 07:08:47,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 918 transitions, 2087 flow [2024-11-09 07:08:47,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 918 transitions, 2077 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:47,665 INFO L231 Difference]: Finished difference. Result has 914 places, 918 transitions, 1853 flow [2024-11-09 07:08:47,667 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=913, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1853, PETRI_PLACES=914, PETRI_TRANSITIONS=918} [2024-11-09 07:08:47,668 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -41 predicate places. [2024-11-09 07:08:47,668 INFO L471 AbstractCegarLoop]: Abstraction has has 914 places, 918 transitions, 1853 flow [2024-11-09 07:08:47,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 823.3333333333334) internal successors, (4940), 6 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:47,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:47,674 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:47,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:08:47,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:47,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:47,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1447044783, now seen corresponding path program 1 times [2024-11-09 07:08:47,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:47,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192829806] [2024-11-09 07:08:47,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:48,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192829806] [2024-11-09 07:08:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192829806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:48,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:48,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:08:48,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469977802] [2024-11-09 07:08:48,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:48,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:48,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:48,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:48,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:08:49,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 814 out of 1020 [2024-11-09 07:08:49,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 914 places, 918 transitions, 1853 flow. Second operand has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:49,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:49,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 814 of 1020 [2024-11-09 07:08:49,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:54,254 INFO L124 PetriNetUnfolderBase]: 2622/19286 cut-off events. [2024-11-09 07:08:54,254 INFO L125 PetriNetUnfolderBase]: For 7/20 co-relation queries the response was YES. [2024-11-09 07:08:54,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24077 conditions, 19286 events. 2622/19286 cut-off events. For 7/20 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 193131 event pairs, 1895 based on Foata normal form. 4/18136 useless extension candidates. Maximal degree in co-relation 24072. Up to 4623 conditions per place. [2024-11-09 07:08:54,349 INFO L140 encePairwiseOnDemand]: 989/1020 looper letters, 125 selfloop transitions, 102 changer transitions 0/1019 dead transitions. [2024-11-09 07:08:54,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1019 transitions, 2509 flow [2024-11-09 07:08:54,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:08:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:08:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5112 transitions. [2024-11-09 07:08:54,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8352941176470589 [2024-11-09 07:08:54,365 INFO L175 Difference]: Start difference. First operand has 914 places, 918 transitions, 1853 flow. Second operand 6 states and 5112 transitions. [2024-11-09 07:08:54,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1019 transitions, 2509 flow [2024-11-09 07:08:54,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 914 places, 1019 transitions, 2499 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:08:54,394 INFO L231 Difference]: Finished difference. Result has 919 places, 1019 transitions, 2513 flow [2024-11-09 07:08:54,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=888, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2513, PETRI_PLACES=919, PETRI_TRANSITIONS=1019} [2024-11-09 07:08:54,398 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -36 predicate places. [2024-11-09 07:08:54,398 INFO L471 AbstractCegarLoop]: Abstraction has has 919 places, 1019 transitions, 2513 flow [2024-11-09 07:08:54,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 817.5) internal successors, (4905), 6 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:54,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:54,402 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:54,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:08:54,403 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:54,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash -774386225, now seen corresponding path program 1 times [2024-11-09 07:08:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:54,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799930605] [2024-11-09 07:08:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:54,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:54,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799930605] [2024-11-09 07:08:54,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799930605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:54,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:54,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:08:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047545734] [2024-11-09 07:08:54,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:54,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:08:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:54,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:08:54,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:08:54,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 911 out of 1020 [2024-11-09 07:08:54,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 919 places, 1019 transitions, 2513 flow. Second operand has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:54,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:54,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 911 of 1020 [2024-11-09 07:08:54,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:08:55,847 INFO L124 PetriNetUnfolderBase]: 339/5392 cut-off events. [2024-11-09 07:08:55,847 INFO L125 PetriNetUnfolderBase]: For 291/660 co-relation queries the response was YES. [2024-11-09 07:08:55,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6476 conditions, 5392 events. 339/5392 cut-off events. For 291/660 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 39401 event pairs, 0 based on Foata normal form. 18/5154 useless extension candidates. Maximal degree in co-relation 6467. Up to 365 conditions per place. [2024-11-09 07:08:55,898 INFO L140 encePairwiseOnDemand]: 1017/1020 looper letters, 47 selfloop transitions, 2 changer transitions 0/1023 dead transitions. [2024-11-09 07:08:55,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1023 transitions, 2627 flow [2024-11-09 07:08:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:08:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:08:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2767 transitions. [2024-11-09 07:08:55,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-09 07:08:55,907 INFO L175 Difference]: Start difference. First operand has 919 places, 1019 transitions, 2513 flow. Second operand 3 states and 2767 transitions. [2024-11-09 07:08:55,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1023 transitions, 2627 flow [2024-11-09 07:08:55,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 1023 transitions, 2627 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:08:56,028 INFO L231 Difference]: Finished difference. Result has 922 places, 1019 transitions, 2521 flow [2024-11-09 07:08:56,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=2513, PETRI_DIFFERENCE_MINUEND_PLACES=919, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1017, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2521, PETRI_PLACES=922, PETRI_TRANSITIONS=1019} [2024-11-09 07:08:56,031 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -33 predicate places. [2024-11-09 07:08:56,031 INFO L471 AbstractCegarLoop]: Abstraction has has 922 places, 1019 transitions, 2521 flow [2024-11-09 07:08:56,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 913.6666666666666) internal successors, (2741), 3 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:56,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:08:56,035 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:56,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:08:56,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:08:56,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:56,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1983190539, now seen corresponding path program 1 times [2024-11-09 07:08:56,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:08:56,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561335586] [2024-11-09 07:08:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:08:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561335586] [2024-11-09 07:08:56,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561335586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:08:56,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622739483] [2024-11-09 07:08:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:56,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 07:08:56,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:08:56,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:08:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:56,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 07:08:56,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:56,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2024-11-09 07:08:56,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2024-11-09 07:08:56,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 07:08:56,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2024-11-09 07:08:56,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:56,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 154 [2024-11-09 07:08:56,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2024-11-09 07:08:56,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2024-11-09 07:08:56,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:56,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 208 [2024-11-09 07:08:56,919 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:56,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:56,930 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:08:56,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 57 [2024-11-09 07:08:57,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 128 [2024-11-09 07:08:57,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:57,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 128 treesize of output 262 [2024-11-09 07:08:57,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:08:57,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 68 [2024-11-09 07:08:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:08:57,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:08:57,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622739483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:57,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:08:57,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 07:08:57,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032458649] [2024-11-09 07:08:57,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:57,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:08:57,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:08:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:08:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 07:08:58,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 872 out of 1020 [2024-11-09 07:08:58,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1019 transitions, 2521 flow. Second operand has 6 states, 6 states have (on average 876.1666666666666) internal successors, (5257), 6 states have internal predecessors, (5257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:08:58,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:08:58,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 872 of 1020 [2024-11-09 07:08:58,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:09:00,904 INFO L124 PetriNetUnfolderBase]: 883/10476 cut-off events. [2024-11-09 07:09:00,905 INFO L125 PetriNetUnfolderBase]: For 769/1036 co-relation queries the response was YES. [2024-11-09 07:09:00,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13493 conditions, 10476 events. 883/10476 cut-off events. For 769/1036 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 92349 event pairs, 359 based on Foata normal form. 24/9880 useless extension candidates. Maximal degree in co-relation 13482. Up to 1336 conditions per place. [2024-11-09 07:09:00,966 INFO L140 encePairwiseOnDemand]: 1003/1020 looper letters, 127 selfloop transitions, 46 changer transitions 0/1073 dead transitions. [2024-11-09 07:09:00,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 927 places, 1073 transitions, 3074 flow [2024-11-09 07:09:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:09:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:09:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5355 transitions. [2024-11-09 07:09:00,979 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.875 [2024-11-09 07:09:00,980 INFO L175 Difference]: Start difference. First operand has 922 places, 1019 transitions, 2521 flow. Second operand 6 states and 5355 transitions. [2024-11-09 07:09:00,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 927 places, 1073 transitions, 3074 flow [2024-11-09 07:09:00,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 925 places, 1073 transitions, 3070 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:09:01,002 INFO L231 Difference]: Finished difference. Result has 930 places, 1064 transitions, 2903 flow [2024-11-09 07:09:01,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1020, PETRI_DIFFERENCE_MINUEND_FLOW=2517, PETRI_DIFFERENCE_MINUEND_PLACES=920, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2903, PETRI_PLACES=930, PETRI_TRANSITIONS=1064} [2024-11-09 07:09:01,007 INFO L277 CegarLoopForPetriNet]: 955 programPoint places, -25 predicate places. [2024-11-09 07:09:01,007 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 1064 transitions, 2903 flow [2024-11-09 07:09:01,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 876.1666666666666) internal successors, (5257), 6 states have internal predecessors, (5257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:09:01,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:09:01,012 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:01,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:09:01,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 07:09:01,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-09 07:09:01,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1971788741, now seen corresponding path program 1 times [2024-11-09 07:09:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:09:01,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855818445] [2024-11-09 07:09:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:01,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:09:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:09:01,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 07:09:01,377 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:09:01,378 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2024-11-09 07:09:01,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2024-11-09 07:09:01,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2024-11-09 07:09:01,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2024-11-09 07:09:01,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2024-11-09 07:09:01,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2024-11-09 07:09:01,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2024-11-09 07:09:01,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2024-11-09 07:09:01,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2024-11-09 07:09:01,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2024-11-09 07:09:01,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2024-11-09 07:09:01,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2024-11-09 07:09:01,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2024-11-09 07:09:01,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2024-11-09 07:09:01,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2024-11-09 07:09:01,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2024-11-09 07:09:01,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2024-11-09 07:09:01,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2024-11-09 07:09:01,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2024-11-09 07:09:01,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2024-11-09 07:09:01,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2024-11-09 07:09:01,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2024-11-09 07:09:01,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2024-11-09 07:09:01,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2024-11-09 07:09:01,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2024-11-09 07:09:01,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2024-11-09 07:09:01,390 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2024-11-09 07:09:01,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:09:01,390 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:01,393 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 07:09:01,394 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 07:09:01,541 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 07:09:01,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-09 07:09:02,504 INFO L124 PetriNetUnfolderBase]: 234/3210 cut-off events. [2024-11-09 07:09:02,504 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-09 07:09:02,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 3210 events. 234/3210 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16437 event pairs, 0 based on Foata normal form. 0/2819 useless extension candidates. Maximal degree in co-relation 1723. Up to 12 conditions per place. [2024-11-09 07:09:02,601 INFO L82 GeneralOperation]: Start removeDead. Operand has 1153 places, 1223 transitions, 2462 flow [2024-11-09 07:09:02,636 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1153 places, 1223 transitions, 2462 flow [2024-11-09 07:09:02,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:09:02,638 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;@ea65830, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:09:02,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-09 07:09:02,642 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 07:09:02,643 INFO L124 PetriNetUnfolderBase]: 8/64 cut-off events. [2024-11-09 07:09:02,643 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 07:09:02,643 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:09:02,643 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:02,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 07:09:02,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1779408538, now seen corresponding path program 1 times [2024-11-09 07:09:02,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:09:02,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619737701] [2024-11-09 07:09:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:09:02,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:09:02,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619737701] [2024-11-09 07:09:02,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619737701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:09:02,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:09:02,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:09:02,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765659109] [2024-11-09 07:09:02,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:09:02,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:09:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:09:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:09:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:09:02,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1107 out of 1223 [2024-11-09 07:09:02,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:09:02,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:09:02,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1107 of 1223 [2024-11-09 07:09:02,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:09:09,105 INFO L124 PetriNetUnfolderBase]: 971/22381 cut-off events. [2024-11-09 07:09:09,105 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2024-11-09 07:09:09,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23584 conditions, 22381 events. 971/22381 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 256820 event pairs, 652 based on Foata normal form. 1820/23100 useless extension candidates. Maximal degree in co-relation 6445. Up to 1171 conditions per place. [2024-11-09 07:09:09,404 INFO L140 encePairwiseOnDemand]: 1136/1223 looper letters, 29 selfloop transitions, 0 changer transitions 6/1122 dead transitions. [2024-11-09 07:09:09,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1110 places, 1122 transitions, 2318 flow [2024-11-09 07:09:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:09:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-09 07:09:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2330 transitions. [2024-11-09 07:09:09,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9525756336876533 [2024-11-09 07:09:09,410 INFO L175 Difference]: Start difference. First operand has 1153 places, 1223 transitions, 2462 flow. Second operand 2 states and 2330 transitions. [2024-11-09 07:09:09,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1110 places, 1122 transitions, 2318 flow [2024-11-09 07:09:09,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1110 places, 1122 transitions, 2318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:09:09,427 INFO L231 Difference]: Finished difference. Result has 1110 places, 1116 transitions, 2248 flow [2024-11-09 07:09:09,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1223, PETRI_DIFFERENCE_MINUEND_FLOW=2260, PETRI_DIFFERENCE_MINUEND_PLACES=1109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2248, PETRI_PLACES=1110, PETRI_TRANSITIONS=1116} [2024-11-09 07:09:09,430 INFO L277 CegarLoopForPetriNet]: 1153 programPoint places, -43 predicate places. [2024-11-09 07:09:09,430 INFO L471 AbstractCegarLoop]: Abstraction has has 1110 places, 1116 transitions, 2248 flow [2024-11-09 07:09:09,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1108.0) internal successors, (2216), 2 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:09:09,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:09:09,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:09,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:09:09,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 07:09:09,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:09,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1701169422, now seen corresponding path program 1 times [2024-11-09 07:09:09,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:09:09,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228959666] [2024-11-09 07:09:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:09:09,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:09:09,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228959666] [2024-11-09 07:09:09,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228959666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:09:09,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:09:09,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:09:09,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368161369] [2024-11-09 07:09:09,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:09:09,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:09:09,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:09:09,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:09:09,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:09:10,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 1223 [2024-11-09 07:09:10,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1110 places, 1116 transitions, 2248 flow. Second operand has 6 states, 6 states have (on average 993.3333333333334) internal successors, (5960), 6 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:09:10,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:09:10,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 1223 [2024-11-09 07:09:10,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand