./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC --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 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:06:00,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:06:00,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:06:00,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:06:00,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:06:01,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:06:01,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:06:01,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:06:01,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:06:01,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:06:01,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:06:01,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:06:01,008 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:06:01,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:06:01,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:06:01,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:06:01,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:06:01,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:06:01,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:06:01,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:06:01,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:06:01,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:06:01,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:06:01,013 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:06:01,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:06:01,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:06:01,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:06:01,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:06:01,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:06:01,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:06:01,015 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC 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 -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2024-11-24 00:06:01,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:06:01,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:06:01,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:06:01,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:06:01,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:06:01,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2024-11-24 00:06:04,618 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/data/8cfdc29b6/c6ef6b730c444d149066d7b3423fc3fc/FLAG1125b0c08 [2024-11-24 00:06:05,072 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:06:05,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2024-11-24 00:06:05,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/data/8cfdc29b6/c6ef6b730c444d149066d7b3423fc3fc/FLAG1125b0c08 [2024-11-24 00:06:05,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/data/8cfdc29b6/c6ef6b730c444d149066d7b3423fc3fc [2024-11-24 00:06:05,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:06:05,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:06:05,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:06:05,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:06:05,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:06:05,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:06:05" (1/1) ... [2024-11-24 00:06:05,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de3cac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:05, skipping insertion in model container [2024-11-24 00:06:05,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:06:05" (1/1) ... [2024-11-24 00:06:05,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:06:06,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:06:06,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:06:06,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:06:06,313 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:06:06,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06 WrapperNode [2024-11-24 00:06:06,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:06:06,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:06:06,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:06:06,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:06:06,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,406 INFO L138 Inliner]: procedures = 487, calls = 38, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 294 [2024-11-24 00:06:06,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:06:06,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:06:06,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:06:06,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:06:06,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,441 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:06:06,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:06:06,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:06:06,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:06:06,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (1/1) ... [2024-11-24 00:06:06,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:06:06,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:06,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:06:06,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:06:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-24 00:06:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-24 00:06:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:06:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-24 00:06:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:06:06,532 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:06:06,825 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:06:06,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:06:07,259 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:06:07,259 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:06:07,299 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:06:07,299 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:06:07,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:07 BoogieIcfgContainer [2024-11-24 00:06:07,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:06:07,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:06:07,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:06:07,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:06:07,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:06:05" (1/3) ... [2024-11-24 00:06:07,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faf16b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:06:07, skipping insertion in model container [2024-11-24 00:06:07,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:06:06" (2/3) ... [2024-11-24 00:06:07,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5faf16b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:06:07, skipping insertion in model container [2024-11-24 00:06:07,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:07" (3/3) ... [2024-11-24 00:06:07,310 INFO L128 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2024-11-24 00:06:07,326 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:06:07,328 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_2-thread_local_vars.i that has 3 procedures, 316 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2024-11-24 00:06:07,329 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:06:07,475 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-24 00:06:07,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 469 places, 511 transitions, 1049 flow [2024-11-24 00:06:07,818 INFO L124 PetriNetUnfolderBase]: 45/517 cut-off events. [2024-11-24 00:06:07,822 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-24 00:06:07,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 517 events. 45/517 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1468 event pairs, 0 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 364. Up to 11 conditions per place. [2024-11-24 00:06:07,834 INFO L82 GeneralOperation]: Start removeDead. Operand has 469 places, 511 transitions, 1049 flow [2024-11-24 00:06:07,846 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 346 transitions, 708 flow [2024-11-24 00:06:07,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:06:07,879 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;@5bdf4717, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:06:07,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-11-24 00:06:07,888 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:06:07,888 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-24 00:06:07,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:06:07,889 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:07,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:07,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:07,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1335103508, now seen corresponding path program 1 times [2024-11-24 00:06:07,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:07,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86006545] [2024-11-24 00:06:07,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:07,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:08,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:08,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86006545] [2024-11-24 00:06:08,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86006545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:08,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:08,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:08,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902428543] [2024-11-24 00:06:08,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:08,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:08,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:08,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:08,563 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 511 [2024-11-24 00:06:08,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 346 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 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) [2024-11-24 00:06:08,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:08,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 511 [2024-11-24 00:06:08,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:08,955 INFO L124 PetriNetUnfolderBase]: 122/1220 cut-off events. [2024-11-24 00:06:08,956 INFO L125 PetriNetUnfolderBase]: For 33/40 co-relation queries the response was YES. [2024-11-24 00:06:08,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 1220 events. 122/1220 cut-off events. For 33/40 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7179 event pairs, 76 based on Foata normal form. 113/1152 useless extension candidates. Maximal degree in co-relation 1106. Up to 185 conditions per place. [2024-11-24 00:06:08,973 INFO L140 encePairwiseOnDemand]: 490/511 looper letters, 24 selfloop transitions, 2 changer transitions 6/313 dead transitions. [2024-11-24 00:06:08,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 313 transitions, 694 flow [2024-11-24 00:06:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-24 00:06:08,999 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8884540117416829 [2024-11-24 00:06:09,001 INFO L175 Difference]: Start difference. First operand has 321 places, 346 transitions, 708 flow. Second operand 3 states and 1362 transitions. [2024-11-24 00:06:09,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 313 transitions, 694 flow [2024-11-24 00:06:09,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 313 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:09,021 INFO L231 Difference]: Finished difference. Result has 306 places, 307 transitions, 630 flow [2024-11-24 00:06:09,024 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=306, PETRI_TRANSITIONS=307} [2024-11-24 00:06:09,029 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -15 predicate places. [2024-11-24 00:06:09,029 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 307 transitions, 630 flow [2024-11-24 00:06:09,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 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) [2024-11-24 00:06:09,032 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:09,032 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:09,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:06:09,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:09,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1624117268, now seen corresponding path program 1 times [2024-11-24 00:06:09,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:09,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407411471] [2024-11-24 00:06:09,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:09,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407411471] [2024-11-24 00:06:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407411471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:09,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:09,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:09,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284738247] [2024-11-24 00:06:09,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:09,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:09,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:09,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:09,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:09,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 511 [2024-11-24 00:06:09,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 307 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-24 00:06:09,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:09,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 511 [2024-11-24 00:06:09,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:09,720 INFO L124 PetriNetUnfolderBase]: 161/1690 cut-off events. [2024-11-24 00:06:09,720 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-24 00:06:09,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1930 conditions, 1690 events. 161/1690 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 11546 event pairs, 29 based on Foata normal form. 0/1447 useless extension candidates. Maximal degree in co-relation 1896. Up to 156 conditions per place. [2024-11-24 00:06:09,738 INFO L140 encePairwiseOnDemand]: 487/511 looper letters, 30 selfloop transitions, 17 changer transitions 0/319 dead transitions. [2024-11-24 00:06:09,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 319 transitions, 749 flow [2024-11-24 00:06:09,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1329 transitions. [2024-11-24 00:06:09,743 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8669275929549902 [2024-11-24 00:06:09,743 INFO L175 Difference]: Start difference. First operand has 306 places, 307 transitions, 630 flow. Second operand 3 states and 1329 transitions. [2024-11-24 00:06:09,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 319 transitions, 749 flow [2024-11-24 00:06:09,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 319 transitions, 745 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:09,756 INFO L231 Difference]: Finished difference. Result has 299 places, 316 transitions, 744 flow [2024-11-24 00:06:09,757 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=299, PETRI_TRANSITIONS=316} [2024-11-24 00:06:09,758 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -22 predicate places. [2024-11-24 00:06:09,758 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 316 transitions, 744 flow [2024-11-24 00:06:09,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-24 00:06:09,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:09,759 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:06:09,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:09,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash 874668606, now seen corresponding path program 1 times [2024-11-24 00:06:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:09,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989245375] [2024-11-24 00:06:09,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:09,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:09,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989245375] [2024-11-24 00:06:09,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989245375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:09,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:09,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:09,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708485664] [2024-11-24 00:06:09,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:09,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:09,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:09,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:09,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:10,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 511 [2024-11-24 00:06:10,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 316 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 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) [2024-11-24 00:06:10,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:10,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 511 [2024-11-24 00:06:10,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:10,506 INFO L124 PetriNetUnfolderBase]: 273/2558 cut-off events. [2024-11-24 00:06:10,506 INFO L125 PetriNetUnfolderBase]: For 498/568 co-relation queries the response was YES. [2024-11-24 00:06:10,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3316 conditions, 2558 events. 273/2558 cut-off events. For 498/568 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 20549 event pairs, 99 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 2825. Up to 331 conditions per place. [2024-11-24 00:06:10,527 INFO L140 encePairwiseOnDemand]: 508/511 looper letters, 32 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-24 00:06:10,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 315 transitions, 810 flow [2024-11-24 00:06:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1344 transitions. [2024-11-24 00:06:10,531 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8767123287671232 [2024-11-24 00:06:10,531 INFO L175 Difference]: Start difference. First operand has 299 places, 316 transitions, 744 flow. Second operand 3 states and 1344 transitions. [2024-11-24 00:06:10,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 315 transitions, 810 flow [2024-11-24 00:06:10,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 315 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:10,540 INFO L231 Difference]: Finished difference. Result has 298 places, 315 transitions, 712 flow [2024-11-24 00:06:10,540 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=712, PETRI_PLACES=298, PETRI_TRANSITIONS=315} [2024-11-24 00:06:10,541 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -23 predicate places. [2024-11-24 00:06:10,541 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 315 transitions, 712 flow [2024-11-24 00:06:10,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 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) [2024-11-24 00:06:10,542 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:10,543 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:10,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:06:10,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:10,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:10,544 INFO L85 PathProgramCache]: Analyzing trace with hash -554700642, now seen corresponding path program 1 times [2024-11-24 00:06:10,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:10,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594637419] [2024-11-24 00:06:10,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:10,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:10,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594637419] [2024-11-24 00:06:10,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594637419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:10,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:10,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:10,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854850865] [2024-11-24 00:06:10,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:10,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:10,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:10,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:10,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:10,658 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 511 [2024-11-24 00:06:10,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 315 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-11-24 00:06:10,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:10,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 511 [2024-11-24 00:06:10,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:10,980 INFO L124 PetriNetUnfolderBase]: 175/1815 cut-off events. [2024-11-24 00:06:10,980 INFO L125 PetriNetUnfolderBase]: For 46/79 co-relation queries the response was YES. [2024-11-24 00:06:10,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2152 conditions, 1815 events. 175/1815 cut-off events. For 46/79 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 13575 event pairs, 13 based on Foata normal form. 4/1554 useless extension candidates. Maximal degree in co-relation 2113. Up to 140 conditions per place. [2024-11-24 00:06:10,997 INFO L140 encePairwiseOnDemand]: 508/511 looper letters, 17 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-11-24 00:06:10,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 319 transitions, 767 flow [2024-11-24 00:06:10,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2024-11-24 00:06:11,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9073711676451403 [2024-11-24 00:06:11,004 INFO L175 Difference]: Start difference. First operand has 298 places, 315 transitions, 712 flow. Second operand 3 states and 1391 transitions. [2024-11-24 00:06:11,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 319 transitions, 767 flow [2024-11-24 00:06:11,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 319 transitions, 763 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:11,014 INFO L231 Difference]: Finished difference. Result has 297 places, 314 transitions, 710 flow [2024-11-24 00:06:11,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=710, PETRI_PLACES=297, PETRI_TRANSITIONS=314} [2024-11-24 00:06:11,016 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -24 predicate places. [2024-11-24 00:06:11,016 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 314 transitions, 710 flow [2024-11-24 00:06:11,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-11-24 00:06:11,017 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:11,018 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:11,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:06:11,018 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:11,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1693913354, now seen corresponding path program 1 times [2024-11-24 00:06:11,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:11,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622170310] [2024-11-24 00:06:11,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:11,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:11,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:11,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622170310] [2024-11-24 00:06:11,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622170310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:11,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:11,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:11,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957058205] [2024-11-24 00:06:11,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:11,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:11,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:11,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:11,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:11,211 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 511 [2024-11-24 00:06:11,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 314 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2024-11-24 00:06:11,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:11,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 511 [2024-11-24 00:06:11,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:11,436 INFO L124 PetriNetUnfolderBase]: 117/1379 cut-off events. [2024-11-24 00:06:11,436 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-24 00:06:11,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1379 events. 117/1379 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8787 event pairs, 29 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1527. Up to 93 conditions per place. [2024-11-24 00:06:11,447 INFO L140 encePairwiseOnDemand]: 508/511 looper letters, 14 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-11-24 00:06:11,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 313 transitions, 740 flow [2024-11-24 00:06:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1367 transitions. [2024-11-24 00:06:11,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8917155903457273 [2024-11-24 00:06:11,451 INFO L175 Difference]: Start difference. First operand has 297 places, 314 transitions, 710 flow. Second operand 3 states and 1367 transitions. [2024-11-24 00:06:11,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 313 transitions, 740 flow [2024-11-24 00:06:11,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 313 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:11,458 INFO L231 Difference]: Finished difference. Result has 296 places, 313 transitions, 708 flow [2024-11-24 00:06:11,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=296, PETRI_TRANSITIONS=313} [2024-11-24 00:06:11,462 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -25 predicate places. [2024-11-24 00:06:11,462 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 313 transitions, 708 flow [2024-11-24 00:06:11,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2024-11-24 00:06:11,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:11,464 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:11,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:06:11,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:11,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:11,468 INFO L85 PathProgramCache]: Analyzing trace with hash 666883120, now seen corresponding path program 1 times [2024-11-24 00:06:11,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:11,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476981433] [2024-11-24 00:06:11,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:11,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:11,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476981433] [2024-11-24 00:06:11,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476981433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:11,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:11,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:11,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430402483] [2024-11-24 00:06:11,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:11,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:11,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:11,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:11,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:11,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 511 [2024-11-24 00:06:11,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 313 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-11-24 00:06:11,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:11,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 511 [2024-11-24 00:06:11,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:11,888 INFO L124 PetriNetUnfolderBase]: 153/1489 cut-off events. [2024-11-24 00:06:11,888 INFO L125 PetriNetUnfolderBase]: For 33/56 co-relation queries the response was YES. [2024-11-24 00:06:11,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1777 conditions, 1489 events. 153/1489 cut-off events. For 33/56 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10367 event pairs, 13 based on Foata normal form. 4/1288 useless extension candidates. Maximal degree in co-relation 1679. Up to 97 conditions per place. [2024-11-24 00:06:11,901 INFO L140 encePairwiseOnDemand]: 509/511 looper letters, 14 selfloop transitions, 1 changer transitions 19/317 dead transitions. [2024-11-24 00:06:11,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 317 transitions, 755 flow [2024-11-24 00:06:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1399 transitions. [2024-11-24 00:06:11,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9125896934116112 [2024-11-24 00:06:11,906 INFO L175 Difference]: Start difference. First operand has 296 places, 313 transitions, 708 flow. Second operand 3 states and 1399 transitions. [2024-11-24 00:06:11,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 317 transitions, 755 flow [2024-11-24 00:06:11,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 317 transitions, 751 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:11,914 INFO L231 Difference]: Finished difference. Result has 295 places, 293 transitions, 662 flow [2024-11-24 00:06:11,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=295, PETRI_TRANSITIONS=293} [2024-11-24 00:06:11,916 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -26 predicate places. [2024-11-24 00:06:11,917 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 293 transitions, 662 flow [2024-11-24 00:06:11,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-11-24 00:06:11,918 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:11,918 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:11,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:06:11,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:11,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1997944735, now seen corresponding path program 1 times [2024-11-24 00:06:11,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:11,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402398521] [2024-11-24 00:06:11,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:11,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:11,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:11,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402398521] [2024-11-24 00:06:11,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402398521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:11,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:11,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:11,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618651203] [2024-11-24 00:06:11,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:11,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:12,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:12,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:12,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:12,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 511 [2024-11-24 00:06:12,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 293 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 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) [2024-11-24 00:06:12,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:12,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 511 [2024-11-24 00:06:12,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:12,338 INFO L124 PetriNetUnfolderBase]: 147/1577 cut-off events. [2024-11-24 00:06:12,338 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-24 00:06:12,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 1577 events. 147/1577 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10690 event pairs, 33 based on Foata normal form. 0/1378 useless extension candidates. Maximal degree in co-relation 1795. Up to 107 conditions per place. [2024-11-24 00:06:12,348 INFO L140 encePairwiseOnDemand]: 503/511 looper letters, 16 selfloop transitions, 5 changer transitions 0/295 dead transitions. [2024-11-24 00:06:12,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 295 transitions, 708 flow [2024-11-24 00:06:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1350 transitions. [2024-11-24 00:06:12,352 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8806262230919765 [2024-11-24 00:06:12,352 INFO L175 Difference]: Start difference. First operand has 295 places, 293 transitions, 662 flow. Second operand 3 states and 1350 transitions. [2024-11-24 00:06:12,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 295 transitions, 708 flow [2024-11-24 00:06:12,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 295 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:06:12,358 INFO L231 Difference]: Finished difference. Result has 276 places, 293 transitions, 682 flow [2024-11-24 00:06:12,358 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=276, PETRI_TRANSITIONS=293} [2024-11-24 00:06:12,359 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -45 predicate places. [2024-11-24 00:06:12,359 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 293 transitions, 682 flow [2024-11-24 00:06:12,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 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) [2024-11-24 00:06:12,360 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:12,361 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:12,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:06:12,361 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr7ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:12,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:12,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1213168995, now seen corresponding path program 1 times [2024-11-24 00:06:12,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633014453] [2024-11-24 00:06:12,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:12,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:12,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:12,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633014453] [2024-11-24 00:06:12,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633014453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:12,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:12,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:06:12,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917906979] [2024-11-24 00:06:12,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:12,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:12,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:12,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:12,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:12,572 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 511 [2024-11-24 00:06:12,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 293 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2024-11-24 00:06:12,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:12,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 511 [2024-11-24 00:06:12,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:12,836 INFO L124 PetriNetUnfolderBase]: 157/1584 cut-off events. [2024-11-24 00:06:12,836 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-24 00:06:12,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1924 conditions, 1584 events. 157/1584 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10606 event pairs, 20 based on Foata normal form. 1/1381 useless extension candidates. Maximal degree in co-relation 1850. Up to 91 conditions per place. [2024-11-24 00:06:12,849 INFO L140 encePairwiseOnDemand]: 503/511 looper letters, 15 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-24 00:06:12,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 297 transitions, 730 flow [2024-11-24 00:06:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1370 transitions. [2024-11-24 00:06:12,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8936725375081539 [2024-11-24 00:06:12,853 INFO L175 Difference]: Start difference. First operand has 276 places, 293 transitions, 682 flow. Second operand 3 states and 1370 transitions. [2024-11-24 00:06:12,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 297 transitions, 730 flow [2024-11-24 00:06:12,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 297 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:06:12,859 INFO L231 Difference]: Finished difference. Result has 279 places, 295 transitions, 711 flow [2024-11-24 00:06:12,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=279, PETRI_TRANSITIONS=295} [2024-11-24 00:06:12,862 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -42 predicate places. [2024-11-24 00:06:12,862 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 295 transitions, 711 flow [2024-11-24 00:06:12,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2024-11-24 00:06:12,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:12,863 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:12,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:06:12,863 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:12,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:12,864 INFO L85 PathProgramCache]: Analyzing trace with hash -348684642, now seen corresponding path program 1 times [2024-11-24 00:06:12,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:12,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250759377] [2024-11-24 00:06:12,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:12,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:12,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250759377] [2024-11-24 00:06:12,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250759377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:12,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:12,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:12,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961342357] [2024-11-24 00:06:12,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:12,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:12,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:12,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:12,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:13,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 511 [2024-11-24 00:06:13,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 295 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2024-11-24 00:06:13,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:13,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 511 [2024-11-24 00:06:13,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:13,419 INFO L124 PetriNetUnfolderBase]: 194/1721 cut-off events. [2024-11-24 00:06:13,419 INFO L125 PetriNetUnfolderBase]: For 138/164 co-relation queries the response was YES. [2024-11-24 00:06:13,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2239 conditions, 1721 events. 194/1721 cut-off events. For 138/164 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 11754 event pairs, 36 based on Foata normal form. 2/1513 useless extension candidates. Maximal degree in co-relation 2160. Up to 190 conditions per place. [2024-11-24 00:06:13,430 INFO L140 encePairwiseOnDemand]: 505/511 looper letters, 30 selfloop transitions, 8 changer transitions 0/303 dead transitions. [2024-11-24 00:06:13,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 303 transitions, 813 flow [2024-11-24 00:06:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1355 transitions. [2024-11-24 00:06:13,433 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8838878016960209 [2024-11-24 00:06:13,434 INFO L175 Difference]: Start difference. First operand has 279 places, 295 transitions, 711 flow. Second operand 3 states and 1355 transitions. [2024-11-24 00:06:13,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 303 transitions, 813 flow [2024-11-24 00:06:13,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 303 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:13,440 INFO L231 Difference]: Finished difference. Result has 281 places, 301 transitions, 769 flow [2024-11-24 00:06:13,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=281, PETRI_TRANSITIONS=301} [2024-11-24 00:06:13,441 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -40 predicate places. [2024-11-24 00:06:13,441 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 301 transitions, 769 flow [2024-11-24 00:06:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2024-11-24 00:06:13,442 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:13,442 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:13,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:06:13,443 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:13,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:13,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1074707529, now seen corresponding path program 1 times [2024-11-24 00:06:13,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:13,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952531727] [2024-11-24 00:06:13,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:13,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:13,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:13,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952531727] [2024-11-24 00:06:13,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952531727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:13,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:13,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146854783] [2024-11-24 00:06:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:13,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:13,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:13,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:13,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:13,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 511 [2024-11-24 00:06:13,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 301 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 456.6666666666667) internal successors, (1370), 3 states have internal predecessors, (1370), 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) [2024-11-24 00:06:13,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:13,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 511 [2024-11-24 00:06:13,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:13,845 INFO L124 PetriNetUnfolderBase]: 188/1860 cut-off events. [2024-11-24 00:06:13,846 INFO L125 PetriNetUnfolderBase]: For 107/118 co-relation queries the response was YES. [2024-11-24 00:06:13,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2377 conditions, 1860 events. 188/1860 cut-off events. For 107/118 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12775 event pairs, 29 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 2300. Up to 105 conditions per place. [2024-11-24 00:06:13,860 INFO L140 encePairwiseOnDemand]: 508/511 looper letters, 14 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-24 00:06:13,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 302 transitions, 803 flow [2024-11-24 00:06:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1382 transitions. [2024-11-24 00:06:13,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9015003261578604 [2024-11-24 00:06:13,864 INFO L175 Difference]: Start difference. First operand has 281 places, 301 transitions, 769 flow. Second operand 3 states and 1382 transitions. [2024-11-24 00:06:13,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 302 transitions, 803 flow [2024-11-24 00:06:13,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 302 transitions, 787 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:13,871 INFO L231 Difference]: Finished difference. Result has 280 places, 300 transitions, 755 flow [2024-11-24 00:06:13,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=755, PETRI_PLACES=280, PETRI_TRANSITIONS=300} [2024-11-24 00:06:13,872 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -41 predicate places. [2024-11-24 00:06:13,872 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 300 transitions, 755 flow [2024-11-24 00:06:13,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 456.6666666666667) internal successors, (1370), 3 states have internal predecessors, (1370), 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) [2024-11-24 00:06:13,873 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:13,873 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:13,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:06:13,873 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:13,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1213110276, now seen corresponding path program 1 times [2024-11-24 00:06:13,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:13,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101754474] [2024-11-24 00:06:13,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:13,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:13,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:13,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101754474] [2024-11-24 00:06:13,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101754474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:13,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:13,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:13,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488409763] [2024-11-24 00:06:13,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:13,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:13,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:13,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:13,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:14,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 511 [2024-11-24 00:06:14,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 300 transitions, 755 flow. Second operand has 3 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 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) [2024-11-24 00:06:14,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:14,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 511 [2024-11-24 00:06:14,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:14,314 INFO L124 PetriNetUnfolderBase]: 193/1801 cut-off events. [2024-11-24 00:06:14,314 INFO L125 PetriNetUnfolderBase]: For 129/142 co-relation queries the response was YES. [2024-11-24 00:06:14,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2331 conditions, 1801 events. 193/1801 cut-off events. For 129/142 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 12742 event pairs, 27 based on Foata normal form. 0/1586 useless extension candidates. Maximal degree in co-relation 2254. Up to 127 conditions per place. [2024-11-24 00:06:14,328 INFO L140 encePairwiseOnDemand]: 508/511 looper letters, 19 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-11-24 00:06:14,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 301 transitions, 799 flow [2024-11-24 00:06:14,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1369 transitions. [2024-11-24 00:06:14,331 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8930202217873451 [2024-11-24 00:06:14,331 INFO L175 Difference]: Start difference. First operand has 280 places, 300 transitions, 755 flow. Second operand 3 states and 1369 transitions. [2024-11-24 00:06:14,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 301 transitions, 799 flow [2024-11-24 00:06:14,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 301 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:14,338 INFO L231 Difference]: Finished difference. Result has 279 places, 299 transitions, 753 flow [2024-11-24 00:06:14,338 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=279, PETRI_TRANSITIONS=299} [2024-11-24 00:06:14,339 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -42 predicate places. [2024-11-24 00:06:14,339 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 299 transitions, 753 flow [2024-11-24 00:06:14,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 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) [2024-11-24 00:06:14,340 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:14,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:14,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:06:14,340 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:14,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:14,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2119755428, now seen corresponding path program 1 times [2024-11-24 00:06:14,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:14,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046255769] [2024-11-24 00:06:14,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:14,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:14,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:14,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046255769] [2024-11-24 00:06:14,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046255769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:14,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:14,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:14,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964628989] [2024-11-24 00:06:14,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:14,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:14,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:14,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:14,604 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 511 [2024-11-24 00:06:14,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 299 transitions, 753 flow. Second operand has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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) [2024-11-24 00:06:14,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:14,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 511 [2024-11-24 00:06:14,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:15,015 INFO L124 PetriNetUnfolderBase]: 299/2218 cut-off events. [2024-11-24 00:06:15,015 INFO L125 PetriNetUnfolderBase]: For 371/477 co-relation queries the response was YES. [2024-11-24 00:06:15,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3144 conditions, 2218 events. 299/2218 cut-off events. For 371/477 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17041 event pairs, 53 based on Foata normal form. 9/1958 useless extension candidates. Maximal degree in co-relation 3065. Up to 335 conditions per place. [2024-11-24 00:06:15,031 INFO L140 encePairwiseOnDemand]: 501/511 looper letters, 35 selfloop transitions, 16 changer transitions 0/312 dead transitions. [2024-11-24 00:06:15,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 312 transitions, 910 flow [2024-11-24 00:06:15,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1352 transitions. [2024-11-24 00:06:15,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8819308545335942 [2024-11-24 00:06:15,035 INFO L175 Difference]: Start difference. First operand has 279 places, 299 transitions, 753 flow. Second operand 3 states and 1352 transitions. [2024-11-24 00:06:15,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 312 transitions, 910 flow [2024-11-24 00:06:15,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 312 transitions, 906 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:15,043 INFO L231 Difference]: Finished difference. Result has 281 places, 311 transitions, 891 flow [2024-11-24 00:06:15,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=281, PETRI_TRANSITIONS=311} [2024-11-24 00:06:15,044 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -40 predicate places. [2024-11-24 00:06:15,044 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 311 transitions, 891 flow [2024-11-24 00:06:15,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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) [2024-11-24 00:06:15,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:15,046 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:15,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:06:15,046 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:15,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash 467093509, now seen corresponding path program 1 times [2024-11-24 00:06:15,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:15,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117865251] [2024-11-24 00:06:15,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:15,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:15,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117865251] [2024-11-24 00:06:15,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117865251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:15,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:15,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983107169] [2024-11-24 00:06:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:15,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:15,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:15,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:15,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 511 [2024-11-24 00:06:15,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 311 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 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) [2024-11-24 00:06:15,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:15,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 511 [2024-11-24 00:06:15,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:15,641 INFO L124 PetriNetUnfolderBase]: 318/2496 cut-off events. [2024-11-24 00:06:15,641 INFO L125 PetriNetUnfolderBase]: For 849/924 co-relation queries the response was YES. [2024-11-24 00:06:15,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3655 conditions, 2496 events. 318/2496 cut-off events. For 849/924 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 19820 event pairs, 39 based on Foata normal form. 7/2213 useless extension candidates. Maximal degree in co-relation 3575. Up to 289 conditions per place. [2024-11-24 00:06:15,661 INFO L140 encePairwiseOnDemand]: 505/511 looper letters, 44 selfloop transitions, 9 changer transitions 0/318 dead transitions. [2024-11-24 00:06:15,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 318 transitions, 1031 flow [2024-11-24 00:06:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1353 transitions. [2024-11-24 00:06:15,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8825831702544031 [2024-11-24 00:06:15,665 INFO L175 Difference]: Start difference. First operand has 281 places, 311 transitions, 891 flow. Second operand 3 states and 1353 transitions. [2024-11-24 00:06:15,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 318 transitions, 1031 flow [2024-11-24 00:06:15,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 318 transitions, 995 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:15,676 INFO L231 Difference]: Finished difference. Result has 283 places, 316 transitions, 933 flow [2024-11-24 00:06:15,677 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=283, PETRI_TRANSITIONS=316} [2024-11-24 00:06:15,678 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -38 predicate places. [2024-11-24 00:06:15,678 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 316 transitions, 933 flow [2024-11-24 00:06:15,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 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) [2024-11-24 00:06:15,680 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:15,680 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:15,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:06:15,680 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:15,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1426548870, now seen corresponding path program 1 times [2024-11-24 00:06:15,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:15,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330051139] [2024-11-24 00:06:15,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:15,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330051139] [2024-11-24 00:06:15,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330051139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:15,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:15,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325559629] [2024-11-24 00:06:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:15,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:15,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:15,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:15,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:15,898 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 511 [2024-11-24 00:06:15,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 316 transitions, 933 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-24 00:06:15,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:15,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 511 [2024-11-24 00:06:15,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:16,449 INFO L124 PetriNetUnfolderBase]: 566/3670 cut-off events. [2024-11-24 00:06:16,449 INFO L125 PetriNetUnfolderBase]: For 2141/2389 co-relation queries the response was YES. [2024-11-24 00:06:16,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5854 conditions, 3670 events. 566/3670 cut-off events. For 2141/2389 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 33176 event pairs, 142 based on Foata normal form. 10/3254 useless extension candidates. Maximal degree in co-relation 5391. Up to 601 conditions per place. [2024-11-24 00:06:16,477 INFO L140 encePairwiseOnDemand]: 505/511 looper letters, 49 selfloop transitions, 9 changer transitions 1/323 dead transitions. [2024-11-24 00:06:16,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 323 transitions, 1085 flow [2024-11-24 00:06:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:06:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2024-11-24 00:06:16,481 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8799739073711677 [2024-11-24 00:06:16,481 INFO L175 Difference]: Start difference. First operand has 283 places, 316 transitions, 933 flow. Second operand 3 states and 1349 transitions. [2024-11-24 00:06:16,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 323 transitions, 1085 flow [2024-11-24 00:06:16,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 323 transitions, 1061 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:16,492 INFO L231 Difference]: Finished difference. Result has 285 places, 320 transitions, 985 flow [2024-11-24 00:06:16,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=985, PETRI_PLACES=285, PETRI_TRANSITIONS=320} [2024-11-24 00:06:16,493 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -36 predicate places. [2024-11-24 00:06:16,493 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 320 transitions, 985 flow [2024-11-24 00:06:16,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-24 00:06:16,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:16,495 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:16,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:06:16,495 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:16,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:16,496 INFO L85 PathProgramCache]: Analyzing trace with hash -590404549, now seen corresponding path program 1 times [2024-11-24 00:06:16,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:16,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059108756] [2024-11-24 00:06:16,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:16,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:16,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059108756] [2024-11-24 00:06:16,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059108756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:16,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:16,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924368754] [2024-11-24 00:06:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:16,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:06:16,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:16,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:06:16,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:06:16,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 511 [2024-11-24 00:06:16,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 320 transitions, 985 flow. Second operand has 5 states, 5 states have (on average 456.4) internal successors, (2282), 5 states have internal predecessors, (2282), 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) [2024-11-24 00:06:16,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:16,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 511 [2024-11-24 00:06:16,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:17,478 INFO L124 PetriNetUnfolderBase]: 560/4542 cut-off events. [2024-11-24 00:06:17,478 INFO L125 PetriNetUnfolderBase]: For 1451/1548 co-relation queries the response was YES. [2024-11-24 00:06:17,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6692 conditions, 4542 events. 560/4542 cut-off events. For 1451/1548 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 38284 event pairs, 52 based on Foata normal form. 8/4046 useless extension candidates. Maximal degree in co-relation 6612. Up to 291 conditions per place. [2024-11-24 00:06:17,511 INFO L140 encePairwiseOnDemand]: 503/511 looper letters, 32 selfloop transitions, 8 changer transitions 0/342 dead transitions. [2024-11-24 00:06:17,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 342 transitions, 1116 flow [2024-11-24 00:06:17,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:06:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-24 00:06:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3219 transitions. [2024-11-24 00:06:17,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.899916130835896 [2024-11-24 00:06:17,518 INFO L175 Difference]: Start difference. First operand has 285 places, 320 transitions, 985 flow. Second operand 7 states and 3219 transitions. [2024-11-24 00:06:17,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 342 transitions, 1116 flow [2024-11-24 00:06:17,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 342 transitions, 1086 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-24 00:06:17,527 INFO L231 Difference]: Finished difference. Result has 294 places, 327 transitions, 1013 flow [2024-11-24 00:06:17,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1013, PETRI_PLACES=294, PETRI_TRANSITIONS=327} [2024-11-24 00:06:17,528 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -27 predicate places. [2024-11-24 00:06:17,529 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 327 transitions, 1013 flow [2024-11-24 00:06:17,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 456.4) internal successors, (2282), 5 states have internal predecessors, (2282), 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) [2024-11-24 00:06:17,530 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:17,530 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:17,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:06:17,531 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:17,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash 210928527, now seen corresponding path program 1 times [2024-11-24 00:06:17,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:17,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594024946] [2024-11-24 00:06:17,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:06:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594024946] [2024-11-24 00:06:17,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594024946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:17,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:17,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:17,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988116653] [2024-11-24 00:06:17,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:17,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:06:17,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:17,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:06:17,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:06:17,705 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 511 [2024-11-24 00:06:17,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 327 transitions, 1013 flow. Second operand has 5 states, 5 states have (on average 458.0) internal successors, (2290), 5 states have internal predecessors, (2290), 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) [2024-11-24 00:06:17,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:06:17,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 511 [2024-11-24 00:06:17,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:06:18,967 INFO L124 PetriNetUnfolderBase]: 882/7602 cut-off events. [2024-11-24 00:06:18,968 INFO L125 PetriNetUnfolderBase]: For 2315/2448 co-relation queries the response was YES. [2024-11-24 00:06:18,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11346 conditions, 7602 events. 882/7602 cut-off events. For 2315/2448 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 72404 event pairs, 90 based on Foata normal form. 14/6809 useless extension candidates. Maximal degree in co-relation 11262. Up to 554 conditions per place. [2024-11-24 00:06:19,008 INFO L140 encePairwiseOnDemand]: 504/511 looper letters, 34 selfloop transitions, 9 changer transitions 0/354 dead transitions. [2024-11-24 00:06:19,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 354 transitions, 1164 flow [2024-11-24 00:06:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:06:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-24 00:06:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3236 transitions. [2024-11-24 00:06:19,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9046687168017892 [2024-11-24 00:06:19,017 INFO L175 Difference]: Start difference. First operand has 294 places, 327 transitions, 1013 flow. Second operand 7 states and 3236 transitions. [2024-11-24 00:06:19,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 354 transitions, 1164 flow [2024-11-24 00:06:19,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 354 transitions, 1164 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:06:19,029 INFO L231 Difference]: Finished difference. Result has 306 places, 335 transitions, 1081 flow [2024-11-24 00:06:19,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=511, PETRI_DIFFERENCE_MINUEND_FLOW=1013, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1081, PETRI_PLACES=306, PETRI_TRANSITIONS=335} [2024-11-24 00:06:19,030 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, -15 predicate places. [2024-11-24 00:06:19,030 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 335 transitions, 1081 flow [2024-11-24 00:06:19,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 458.0) internal successors, (2290), 5 states have internal predecessors, (2290), 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) [2024-11-24 00:06:19,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:06:19,032 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:19,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:06:19,032 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-24 00:06:19,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:19,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1358059343, now seen corresponding path program 1 times [2024-11-24 00:06:19,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:19,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344908236] [2024-11-24 00:06:19,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:19,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:19,067 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:06:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:06:19,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:06:19,137 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:06:19,139 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2024-11-24 00:06:19,144 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2024-11-24 00:06:19,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr12ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr13ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2024-11-24 00:06:19,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (15 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr12ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2024-11-24 00:06:19,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr13ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2024-11-24 00:06:19,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 43 remaining) [2024-11-24 00:06:19,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:06:19,151 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:19,272 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 00:06:19,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:06:19,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:06:19 BasicIcfg [2024-11-24 00:06:19,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:06:19,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:06:19,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:06:19,282 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:06:19,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:06:07" (3/4) ... [2024-11-24 00:06:19,284 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 00:06:19,404 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-11-24 00:06:19,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:06:19,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:06:19,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:06:19,480 INFO L158 Benchmark]: Toolchain (without parser) took 14341.98ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 115.5MB in the beginning and 422.6MB in the end (delta: -307.1MB). Peak memory consumption was 154.9MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,481 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1174.42ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 109.5MB in the end (delta: 5.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.32ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 105.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:06:19,482 INFO L158 Benchmark]: Boogie Preprocessor took 57.75ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,483 INFO L158 Benchmark]: RCFGBuilder took 834.82ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 73.8MB in the end (delta: 29.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,484 INFO L158 Benchmark]: TraceAbstraction took 11978.20ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 73.3MB in the beginning and 443.6MB in the end (delta: -370.3MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,484 INFO L158 Benchmark]: Witness Printer took 198.10ms. Allocated memory is still 604.0MB. Free memory was 443.6MB in the beginning and 422.6MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:06:19,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1174.42ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 109.5MB in the end (delta: 5.8MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.32ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 105.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.75ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 834.82ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 73.8MB in the end (delta: 29.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11978.20ms. Allocated memory was 142.6MB in the beginning and 604.0MB in the end (delta: 461.4MB). Free memory was 73.3MB in the beginning and 443.6MB in the end (delta: -370.3MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Witness Printer took 198.10ms. Allocated memory is still 604.0MB. Free memory was 443.6MB in the beginning and 422.6MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1, t2; VAL [t1=0, t2=0] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1=0, t2=0] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1=0, t2=0] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1=0, t2=0] [L1798] CALL 0 module_init() [L1779] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] EXPR 0 pdev==1 [L1780] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] RET 0 ldv_assert(pdev==1) [L1781] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1782] 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1743] 1 ldv_usb_state = 0 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1744] 1 int probe_ret; VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1747] 1 case 0: VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1748] 1 ldv_usb_state==0 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1747] 1 case 0: [L1749] CALL, EXPR 1 ath_ahb_probe() [L1730] 1 int error; [L1731] CALL, EXPR 1 ieee80211_register_hw() [L1717] COND TRUE 1 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1718] 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1719] 1 return 0; VAL [\result=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1731] RET, EXPR 1 ieee80211_register_hw() [L1731] 1 error = ieee80211_register_hw() VAL [error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1732] COND FALSE 1 !(\read(error)) VAL [error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1706] 2 case 1: [L1707] CALL 2 ath9k_flush() [L1734] 1 return 0; VAL [\result=0, error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1749] RET, EXPR 1 ath_ahb_probe() [L1749] 1 probe_ret = ath_ahb_probe() VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1747] 1 case 0: VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1752] 1 ldv_usb_state = 1 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1753] 1 pdev = 7 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=7, probe_ret=0, t1=-1, t2=0] [L1699] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1=-1, t2=0] [L1753] 1 pdev = 7 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=6, probe_ret=0, t1=-1, t2=0] [L1699] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1=-1, t2=0] Now there is a data race on ~pdev~0 between C: pdev = 7 [1753] and C: pdev = 6 [1699] - UnprovableResult [Line: 1700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1779]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1780]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1785]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1786]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1792]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1794]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1795]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1743]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1773]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1748]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1774]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1766]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1752]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 513 locations, 43 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.6s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1306 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 453 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1313 IncrementalHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 227 mSDtfsCounter, 1313 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1081occurred in iteration=16, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1215 NumberOfCodeBlocks, 1215 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1086 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:06:19,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b844df7-5189-492f-a480-e0035ecb595e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)