./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB --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 a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:36:38,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:36:38,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:36:38,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:36:38,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:36:38,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:36:38,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:36:38,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:36:38,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:36:38,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:36:38,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:36:38,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:36:38,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:36:38,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:36:38,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:36:38,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:36:38,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:36:38,860 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:36:38,861 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:36:38,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:36:38,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:36:38,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:36:38,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:36:38,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:36:38,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:36:38,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:36:38,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:36:38,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:36:38,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:36:38,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:36:38,864 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_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2024-11-28 04:36:39,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:36:39,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:36:39,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:36:39,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:36:39,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:36:39,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-28 04:36:42,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/data/7630bed97/4e175c261301467cb1ade2fcd7919165/FLAGad1dc8943 [2024-11-28 04:36:42,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:36:42,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-28 04:36:42,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/data/7630bed97/4e175c261301467cb1ade2fcd7919165/FLAGad1dc8943 [2024-11-28 04:36:42,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/data/7630bed97/4e175c261301467cb1ade2fcd7919165 [2024-11-28 04:36:42,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:36:42,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:36:42,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:36:42,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:36:42,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:36:42,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:42" (1/1) ... [2024-11-28 04:36:42,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d916f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:42, skipping insertion in model container [2024-11-28 04:36:42,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:42" (1/1) ... [2024-11-28 04:36:43,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:36:43,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:36:43,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:36:44,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:36:44,252 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:36:44,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44 WrapperNode [2024-11-28 04:36:44,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:36:44,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:36:44,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:36:44,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:36:44,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,316 INFO L138 Inliner]: procedures = 487, calls = 37, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 278 [2024-11-28 04:36:44,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:36:44,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:36:44,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:36:44,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:36:44,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:36:44,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:36:44,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:36:44,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:36:44,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (1/1) ... [2024-11-28 04:36:44,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:36:44,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:44,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:36:44,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:36:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-28 04:36:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-28 04:36:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:36:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-28 04:36:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-28 04:36:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:36:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:36:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:36:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:36:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:36:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:36:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:36:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:36:44,454 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:36:44,753 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:36:44,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:36:45,194 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:36:45,195 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:36:45,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:36:45,236 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:36:45,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:45 BoogieIcfgContainer [2024-11-28 04:36:45,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:36:45,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:36:45,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:36:45,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:36:45,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:36:42" (1/3) ... [2024-11-28 04:36:45,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f7913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:36:45, skipping insertion in model container [2024-11-28 04:36:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:44" (2/3) ... [2024-11-28 04:36:45,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f7913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:36:45, skipping insertion in model container [2024-11-28 04:36:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:45" (3/3) ... [2024-11-28 04:36:45,248 INFO L128 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-11-28 04:36:45,266 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:36:45,269 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 296 locations, 1 initial locations, 2 loop locations, and 22 error locations. [2024-11-28 04:36:45,269 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:36:45,443 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-28 04:36:45,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 467 transitions, 961 flow [2024-11-28 04:36:45,722 INFO L124 PetriNetUnfolderBase]: 41/473 cut-off events. [2024-11-28 04:36:45,728 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:36:45,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 473 events. 41/473 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1290 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 320. Up to 11 conditions per place. [2024-11-28 04:36:45,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 467 transitions, 961 flow [2024-11-28 04:36:45,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 324 transitions, 664 flow [2024-11-28 04:36:45,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:36:45,790 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;@77ea086c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:36:45,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-28 04:36:45,798 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:36:45,798 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 04:36:45,798 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:36:45,798 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:45,799 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] [2024-11-28 04:36:45,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:45,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:45,808 INFO L85 PathProgramCache]: Analyzing trace with hash 864045255, now seen corresponding path program 1 times [2024-11-28 04:36:45,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:45,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962816203] [2024-11-28 04:36:45,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:46,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:46,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962816203] [2024-11-28 04:36:46,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962816203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:46,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:46,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298930890] [2024-11-28 04:36:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:46,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:46,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:46,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:46,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-28 04:36:46,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 324 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2024-11-28 04:36:46,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:46,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-28 04:36:46,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:46,823 INFO L124 PetriNetUnfolderBase]: 82/936 cut-off events. [2024-11-28 04:36:46,823 INFO L125 PetriNetUnfolderBase]: For 35/43 co-relation queries the response was YES. [2024-11-28 04:36:46,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 936 events. 82/936 cut-off events. For 35/43 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4788 event pairs, 48 based on Foata normal form. 72/872 useless extension candidates. Maximal degree in co-relation 758. Up to 125 conditions per place. [2024-11-28 04:36:46,842 INFO L140 encePairwiseOnDemand]: 448/467 looper letters, 22 selfloop transitions, 2 changer transitions 6/295 dead transitions. [2024-11-28 04:36:46,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 295 transitions, 654 flow [2024-11-28 04:36:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2024-11-28 04:36:46,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8965024982155603 [2024-11-28 04:36:46,872 INFO L175 Difference]: Start difference. First operand has 301 places, 324 transitions, 664 flow. Second operand 3 states and 1256 transitions. [2024-11-28 04:36:46,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 295 transitions, 654 flow [2024-11-28 04:36:46,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 295 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:46,915 INFO L231 Difference]: Finished difference. Result has 288 places, 289 transitions, 594 flow [2024-11-28 04:36:46,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=288, PETRI_TRANSITIONS=289} [2024-11-28 04:36:46,923 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -13 predicate places. [2024-11-28 04:36:46,923 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 289 transitions, 594 flow [2024-11-28 04:36:46,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2024-11-28 04:36:46,926 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:46,926 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] [2024-11-28 04:36:46,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:36:46,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:46,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1033920619, now seen corresponding path program 1 times [2024-11-28 04:36:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:46,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907488911] [2024-11-28 04:36:46,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:47,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:47,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907488911] [2024-11-28 04:36:47,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907488911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:47,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:47,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:47,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263320925] [2024-11-28 04:36:47,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:47,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:47,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:47,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:47,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:47,232 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 467 [2024-11-28 04:36:47,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 289 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2024-11-28 04:36:47,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:47,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 467 [2024-11-28 04:36:47,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:47,487 INFO L124 PetriNetUnfolderBase]: 83/940 cut-off events. [2024-11-28 04:36:47,488 INFO L125 PetriNetUnfolderBase]: For 19/24 co-relation queries the response was YES. [2024-11-28 04:36:47,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 940 events. 83/940 cut-off events. For 19/24 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4749 event pairs, 21 based on Foata normal form. 1/826 useless extension candidates. Maximal degree in co-relation 1070. Up to 112 conditions per place. [2024-11-28 04:36:47,497 INFO L140 encePairwiseOnDemand]: 447/467 looper letters, 26 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-11-28 04:36:47,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 298 transitions, 693 flow [2024-11-28 04:36:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2024-11-28 04:36:47,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8786581013561742 [2024-11-28 04:36:47,506 INFO L175 Difference]: Start difference. First operand has 288 places, 289 transitions, 594 flow. Second operand 3 states and 1231 transitions. [2024-11-28 04:36:47,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 298 transitions, 693 flow [2024-11-28 04:36:47,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 298 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:47,518 INFO L231 Difference]: Finished difference. Result has 281 places, 295 transitions, 682 flow [2024-11-28 04:36:47,519 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=281, PETRI_TRANSITIONS=295} [2024-11-28 04:36:47,521 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -20 predicate places. [2024-11-28 04:36:47,522 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 295 transitions, 682 flow [2024-11-28 04:36:47,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2024-11-28 04:36:47,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:47,523 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] [2024-11-28 04:36:47,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:36:47,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -675497663, now seen corresponding path program 1 times [2024-11-28 04:36:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:47,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895496484] [2024-11-28 04:36:47,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:47,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:47,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:47,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895496484] [2024-11-28 04:36:47,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895496484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:47,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:47,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:47,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176027585] [2024-11-28 04:36:47,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:47,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:47,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:47,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:47,805 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-28 04:36:47,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 295 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 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) [2024-11-28 04:36:47,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:47,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-28 04:36:47,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:48,073 INFO L124 PetriNetUnfolderBase]: 137/1384 cut-off events. [2024-11-28 04:36:48,074 INFO L125 PetriNetUnfolderBase]: For 285/323 co-relation queries the response was YES. [2024-11-28 04:36:48,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 1384 events. 137/1384 cut-off events. For 285/323 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8666 event pairs, 61 based on Foata normal form. 0/1212 useless extension candidates. Maximal degree in co-relation 1429. Up to 203 conditions per place. [2024-11-28 04:36:48,089 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 28 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-28 04:36:48,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 294 transitions, 740 flow [2024-11-28 04:36:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2024-11-28 04:36:48,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8850820842255531 [2024-11-28 04:36:48,095 INFO L175 Difference]: Start difference. First operand has 281 places, 295 transitions, 682 flow. Second operand 3 states and 1240 transitions. [2024-11-28 04:36:48,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 294 transitions, 740 flow [2024-11-28 04:36:48,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 294 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:48,102 INFO L231 Difference]: Finished difference. Result has 280 places, 294 transitions, 656 flow [2024-11-28 04:36:48,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=280, PETRI_TRANSITIONS=294} [2024-11-28 04:36:48,103 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -21 predicate places. [2024-11-28 04:36:48,103 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 294 transitions, 656 flow [2024-11-28 04:36:48,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 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) [2024-11-28 04:36:48,104 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:48,104 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] [2024-11-28 04:36:48,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:36:48,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:48,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:48,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1647841583, now seen corresponding path program 1 times [2024-11-28 04:36:48,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:48,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192000730] [2024-11-28 04:36:48,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:48,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:48,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192000730] [2024-11-28 04:36:48,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192000730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:48,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:48,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:48,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120973494] [2024-11-28 04:36:48,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:48,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:48,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:48,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:48,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:48,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-11-28 04:36:48,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 294 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-28 04:36:48,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:48,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-11-28 04:36:48,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:48,478 INFO L124 PetriNetUnfolderBase]: 99/1131 cut-off events. [2024-11-28 04:36:48,478 INFO L125 PetriNetUnfolderBase]: For 32/63 co-relation queries the response was YES. [2024-11-28 04:36:48,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 1131 events. 99/1131 cut-off events. For 32/63 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6677 event pairs, 9 based on Foata normal form. 4/986 useless extension candidates. Maximal degree in co-relation 1323. Up to 98 conditions per place. [2024-11-28 04:36:48,489 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-28 04:36:48,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 298 transitions, 711 flow [2024-11-28 04:36:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1277 transitions. [2024-11-28 04:36:48,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114917915774446 [2024-11-28 04:36:48,494 INFO L175 Difference]: Start difference. First operand has 280 places, 294 transitions, 656 flow. Second operand 3 states and 1277 transitions. [2024-11-28 04:36:48,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 298 transitions, 711 flow [2024-11-28 04:36:48,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 298 transitions, 707 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:48,515 INFO L231 Difference]: Finished difference. Result has 279 places, 293 transitions, 654 flow [2024-11-28 04:36:48,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=279, PETRI_TRANSITIONS=293} [2024-11-28 04:36:48,518 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -22 predicate places. [2024-11-28 04:36:48,519 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 293 transitions, 654 flow [2024-11-28 04:36:48,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-28 04:36:48,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:48,520 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] [2024-11-28 04:36:48,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:36:48,520 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:48,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:48,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1050805027, now seen corresponding path program 1 times [2024-11-28 04:36:48,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:48,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72393761] [2024-11-28 04:36:48,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:48,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72393761] [2024-11-28 04:36:48,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72393761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:48,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:48,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892332296] [2024-11-28 04:36:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:48,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:48,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:48,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:48,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:48,699 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-28 04:36:48,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 293 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-28 04:36:48,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:48,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-28 04:36:48,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:48,892 INFO L124 PetriNetUnfolderBase]: 78/998 cut-off events. [2024-11-28 04:36:48,893 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 04:36:48,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 998 events. 78/998 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5397 event pairs, 19 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1086. Up to 67 conditions per place. [2024-11-28 04:36:48,900 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 14 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-28 04:36:48,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 292 transitions, 684 flow [2024-11-28 04:36:48,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2024-11-28 04:36:48,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.894361170592434 [2024-11-28 04:36:48,904 INFO L175 Difference]: Start difference. First operand has 279 places, 293 transitions, 654 flow. Second operand 3 states and 1253 transitions. [2024-11-28 04:36:48,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 292 transitions, 684 flow [2024-11-28 04:36:48,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:48,909 INFO L231 Difference]: Finished difference. Result has 278 places, 292 transitions, 652 flow [2024-11-28 04:36:48,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=278, PETRI_TRANSITIONS=292} [2024-11-28 04:36:48,911 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -23 predicate places. [2024-11-28 04:36:48,911 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 292 transitions, 652 flow [2024-11-28 04:36:48,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-28 04:36:48,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:48,913 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] [2024-11-28 04:36:48,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:36:48,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1549403208, now seen corresponding path program 1 times [2024-11-28 04:36:48,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:48,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915464536] [2024-11-28 04:36:48,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:48,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:49,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:49,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915464536] [2024-11-28 04:36:49,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915464536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:49,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:49,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527541090] [2024-11-28 04:36:49,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:49,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:49,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:49,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:49,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:49,128 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 467 [2024-11-28 04:36:49,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 292 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-28 04:36:49,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:49,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 467 [2024-11-28 04:36:49,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:49,366 INFO L124 PetriNetUnfolderBase]: 101/1158 cut-off events. [2024-11-28 04:36:49,367 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-28 04:36:49,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1158 events. 101/1158 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6698 event pairs, 23 based on Foata normal form. 0/1020 useless extension candidates. Maximal degree in co-relation 1276. Up to 83 conditions per place. [2024-11-28 04:36:49,378 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 16 selfloop transitions, 5 changer transitions 0/294 dead transitions. [2024-11-28 04:36:49,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 294 transitions, 698 flow [2024-11-28 04:36:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2024-11-28 04:36:49,383 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8822269807280514 [2024-11-28 04:36:49,383 INFO L175 Difference]: Start difference. First operand has 278 places, 292 transitions, 652 flow. Second operand 3 states and 1236 transitions. [2024-11-28 04:36:49,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 294 transitions, 698 flow [2024-11-28 04:36:49,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 294 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:49,391 INFO L231 Difference]: Finished difference. Result has 276 places, 292 transitions, 669 flow [2024-11-28 04:36:49,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=276, PETRI_TRANSITIONS=292} [2024-11-28 04:36:49,393 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -25 predicate places. [2024-11-28 04:36:49,394 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 292 transitions, 669 flow [2024-11-28 04:36:49,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-28 04:36:49,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:49,395 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] [2024-11-28 04:36:49,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:36:49,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:49,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash -723324299, now seen corresponding path program 1 times [2024-11-28 04:36:49,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:49,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845417354] [2024-11-28 04:36:49,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:49,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:49,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:49,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845417354] [2024-11-28 04:36:49,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845417354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:49,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:49,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:49,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696867279] [2024-11-28 04:36:49,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:49,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:49,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:49,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:49,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:49,532 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-11-28 04:36:49,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 292 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-28 04:36:49,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:49,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-11-28 04:36:49,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:49,779 INFO L124 PetriNetUnfolderBase]: 135/1420 cut-off events. [2024-11-28 04:36:49,780 INFO L125 PetriNetUnfolderBase]: For 32/49 co-relation queries the response was YES. [2024-11-28 04:36:49,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1710 conditions, 1420 events. 135/1420 cut-off events. For 32/49 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8338 event pairs, 28 based on Foata normal form. 1/1239 useless extension candidates. Maximal degree in co-relation 1137. Up to 90 conditions per place. [2024-11-28 04:36:49,793 INFO L140 encePairwiseOnDemand]: 465/467 looper letters, 14 selfloop transitions, 1 changer transitions 16/296 dead transitions. [2024-11-28 04:36:49,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 296 transitions, 716 flow [2024-11-28 04:36:49,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2024-11-28 04:36:49,798 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9172019985724482 [2024-11-28 04:36:49,798 INFO L175 Difference]: Start difference. First operand has 276 places, 292 transitions, 669 flow. Second operand 3 states and 1285 transitions. [2024-11-28 04:36:49,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 296 transitions, 716 flow [2024-11-28 04:36:49,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 296 transitions, 711 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:36:49,804 INFO L231 Difference]: Finished difference. Result has 276 places, 275 transitions, 628 flow [2024-11-28 04:36:49,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=276, PETRI_TRANSITIONS=275} [2024-11-28 04:36:49,805 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -25 predicate places. [2024-11-28 04:36:49,806 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 275 transitions, 628 flow [2024-11-28 04:36:49,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-28 04:36:49,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:49,807 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] [2024-11-28 04:36:49,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:36:49,807 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:49,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:49,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1073668320, now seen corresponding path program 1 times [2024-11-28 04:36:49,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:49,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157108384] [2024-11-28 04:36:49,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:49,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:49,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157108384] [2024-11-28 04:36:49,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157108384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:49,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:49,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161919476] [2024-11-28 04:36:49,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:49,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:49,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:49,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:49,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:50,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 467 [2024-11-28 04:36:50,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 275 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 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) [2024-11-28 04:36:50,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:50,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 467 [2024-11-28 04:36:50,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:50,188 INFO L124 PetriNetUnfolderBase]: 103/1058 cut-off events. [2024-11-28 04:36:50,188 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-28 04:36:50,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1058 events. 103/1058 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5803 event pairs, 14 based on Foata normal form. 1/928 useless extension candidates. Maximal degree in co-relation 1198. Up to 63 conditions per place. [2024-11-28 04:36:50,198 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 15 selfloop transitions, 5 changer transitions 3/279 dead transitions. [2024-11-28 04:36:50,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 279 transitions, 676 flow [2024-11-28 04:36:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2024-11-28 04:36:50,202 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8965024982155603 [2024-11-28 04:36:50,202 INFO L175 Difference]: Start difference. First operand has 276 places, 275 transitions, 628 flow. Second operand 3 states and 1256 transitions. [2024-11-28 04:36:50,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 279 transitions, 676 flow [2024-11-28 04:36:50,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 279 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:36:50,208 INFO L231 Difference]: Finished difference. Result has 264 places, 274 transitions, 655 flow [2024-11-28 04:36:50,209 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=264, PETRI_TRANSITIONS=274} [2024-11-28 04:36:50,209 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -37 predicate places. [2024-11-28 04:36:50,210 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 274 transitions, 655 flow [2024-11-28 04:36:50,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 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) [2024-11-28 04:36:50,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:50,211 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] [2024-11-28 04:36:50,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:36:50,211 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:50,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:50,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1721282207, now seen corresponding path program 1 times [2024-11-28 04:36:50,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:50,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597840082] [2024-11-28 04:36:50,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:50,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:50,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597840082] [2024-11-28 04:36:50,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597840082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:50,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:50,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:50,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479421474] [2024-11-28 04:36:50,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:50,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:50,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:50,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:50,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:50,485 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 467 [2024-11-28 04:36:50,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 274 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-28 04:36:50,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:50,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 467 [2024-11-28 04:36:50,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:50,675 INFO L124 PetriNetUnfolderBase]: 120/1086 cut-off events. [2024-11-28 04:36:50,675 INFO L125 PetriNetUnfolderBase]: For 91/104 co-relation queries the response was YES. [2024-11-28 04:36:50,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1086 events. 120/1086 cut-off events. For 91/104 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5861 event pairs, 28 based on Foata normal form. 2/962 useless extension candidates. Maximal degree in co-relation 1352. Up to 137 conditions per place. [2024-11-28 04:36:50,685 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 26 selfloop transitions, 8 changer transitions 0/282 dead transitions. [2024-11-28 04:36:50,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 282 transitions, 749 flow [2024-11-28 04:36:50,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2024-11-28 04:36:50,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.892933618843683 [2024-11-28 04:36:50,690 INFO L175 Difference]: Start difference. First operand has 264 places, 274 transitions, 655 flow. Second operand 3 states and 1251 transitions. [2024-11-28 04:36:50,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 282 transitions, 749 flow [2024-11-28 04:36:50,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 282 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:50,698 INFO L231 Difference]: Finished difference. Result has 263 places, 280 transitions, 713 flow [2024-11-28 04:36:50,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=263, PETRI_TRANSITIONS=280} [2024-11-28 04:36:50,699 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -38 predicate places. [2024-11-28 04:36:50,700 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 280 transitions, 713 flow [2024-11-28 04:36:50,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-28 04:36:50,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:50,701 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] [2024-11-28 04:36:50,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:36:50,701 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:50,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:50,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1586189360, now seen corresponding path program 1 times [2024-11-28 04:36:50,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:50,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978926414] [2024-11-28 04:36:50,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:50,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:50,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:50,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978926414] [2024-11-28 04:36:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978926414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:50,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:50,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:50,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032584006] [2024-11-28 04:36:50,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:50,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:50,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:50,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:50,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:50,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 467 [2024-11-28 04:36:50,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 280 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2024-11-28 04:36:50,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:50,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 467 [2024-11-28 04:36:50,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:51,107 INFO L124 PetriNetUnfolderBase]: 127/1248 cut-off events. [2024-11-28 04:36:51,107 INFO L125 PetriNetUnfolderBase]: For 85/96 co-relation queries the response was YES. [2024-11-28 04:36:51,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 1248 events. 127/1248 cut-off events. For 85/96 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7272 event pairs, 24 based on Foata normal form. 0/1107 useless extension candidates. Maximal degree in co-relation 1537. Up to 75 conditions per place. [2024-11-28 04:36:51,118 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 14 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-28 04:36:51,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 747 flow [2024-11-28 04:36:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1268 transitions. [2024-11-28 04:36:51,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9050678087080657 [2024-11-28 04:36:51,122 INFO L175 Difference]: Start difference. First operand has 263 places, 280 transitions, 713 flow. Second operand 3 states and 1268 transitions. [2024-11-28 04:36:51,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 747 flow [2024-11-28 04:36:51,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 281 transitions, 731 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:51,129 INFO L231 Difference]: Finished difference. Result has 262 places, 279 transitions, 699 flow [2024-11-28 04:36:51,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=262, PETRI_TRANSITIONS=279} [2024-11-28 04:36:51,133 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -39 predicate places. [2024-11-28 04:36:51,133 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 279 transitions, 699 flow [2024-11-28 04:36:51,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2024-11-28 04:36:51,134 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:51,134 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] [2024-11-28 04:36:51,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:36:51,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:51,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash 911377635, now seen corresponding path program 1 times [2024-11-28 04:36:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782159678] [2024-11-28 04:36:51,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:51,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:51,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782159678] [2024-11-28 04:36:51,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782159678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:51,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:51,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:51,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329627975] [2024-11-28 04:36:51,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:51,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:51,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:51,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:51,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:51,292 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-28 04:36:51,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 279 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-28 04:36:51,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:51,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-28 04:36:51,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:51,523 INFO L124 PetriNetUnfolderBase]: 136/1214 cut-off events. [2024-11-28 04:36:51,523 INFO L125 PetriNetUnfolderBase]: For 93/112 co-relation queries the response was YES. [2024-11-28 04:36:51,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 1214 events. 136/1214 cut-off events. For 93/112 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7120 event pairs, 22 based on Foata normal form. 0/1070 useless extension candidates. Maximal degree in co-relation 1516. Up to 92 conditions per place. [2024-11-28 04:36:51,533 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 19 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-28 04:36:51,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 280 transitions, 743 flow [2024-11-28 04:36:51,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1255 transitions. [2024-11-28 04:36:51,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8957887223411849 [2024-11-28 04:36:51,537 INFO L175 Difference]: Start difference. First operand has 262 places, 279 transitions, 699 flow. Second operand 3 states and 1255 transitions. [2024-11-28 04:36:51,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 280 transitions, 743 flow [2024-11-28 04:36:51,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 280 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:51,542 INFO L231 Difference]: Finished difference. Result has 261 places, 278 transitions, 697 flow [2024-11-28 04:36:51,543 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2024-11-28 04:36:51,544 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -40 predicate places. [2024-11-28 04:36:51,544 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 697 flow [2024-11-28 04:36:51,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-28 04:36:51,545 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:51,545 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] [2024-11-28 04:36:51,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:36:51,545 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:51,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:51,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1419302737, now seen corresponding path program 1 times [2024-11-28 04:36:51,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:51,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142313672] [2024-11-28 04:36:51,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:51,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:51,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142313672] [2024-11-28 04:36:51,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142313672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:51,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:51,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:51,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856187180] [2024-11-28 04:36:51,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:51,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:51,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:51,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:51,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:51,765 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-28 04:36:51,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2024-11-28 04:36:51,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:51,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-28 04:36:51,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:52,031 INFO L124 PetriNetUnfolderBase]: 168/1234 cut-off events. [2024-11-28 04:36:52,031 INFO L125 PetriNetUnfolderBase]: For 251/328 co-relation queries the response was YES. [2024-11-28 04:36:52,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 1234 events. 168/1234 cut-off events. For 251/328 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7237 event pairs, 39 based on Foata normal form. 8/1109 useless extension candidates. Maximal degree in co-relation 1755. Up to 236 conditions per place. [2024-11-28 04:36:52,043 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 31 selfloop transitions, 12 changer transitions 0/287 dead transitions. [2024-11-28 04:36:52,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 287 transitions, 820 flow [2024-11-28 04:36:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1246 transitions. [2024-11-28 04:36:52,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8893647394718058 [2024-11-28 04:36:52,047 INFO L175 Difference]: Start difference. First operand has 261 places, 278 transitions, 697 flow. Second operand 3 states and 1246 transitions. [2024-11-28 04:36:52,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 287 transitions, 820 flow [2024-11-28 04:36:52,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 287 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:52,053 INFO L231 Difference]: Finished difference. Result has 263 places, 286 transitions, 793 flow [2024-11-28 04:36:52,054 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=263, PETRI_TRANSITIONS=286} [2024-11-28 04:36:52,054 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -38 predicate places. [2024-11-28 04:36:52,054 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 286 transitions, 793 flow [2024-11-28 04:36:52,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2024-11-28 04:36:52,055 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:52,055 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] [2024-11-28 04:36:52,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:36:52,057 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:52,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash -838669853, now seen corresponding path program 1 times [2024-11-28 04:36:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:52,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441635420] [2024-11-28 04:36:52,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:52,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:52,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441635420] [2024-11-28 04:36:52,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441635420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:52,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:52,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:52,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780551457] [2024-11-28 04:36:52,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:52,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:52,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:52,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:52,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:52,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-28 04:36:52,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 286 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2024-11-28 04:36:52,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:52,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-28 04:36:52,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:52,565 INFO L124 PetriNetUnfolderBase]: 278/1818 cut-off events. [2024-11-28 04:36:52,565 INFO L125 PetriNetUnfolderBase]: For 930/1031 co-relation queries the response was YES. [2024-11-28 04:36:52,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 1818 events. 278/1818 cut-off events. For 930/1031 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12645 event pairs, 86 based on Foata normal form. 8/1645 useless extension candidates. Maximal degree in co-relation 2590. Up to 358 conditions per place. [2024-11-28 04:36:52,581 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 38 selfloop transitions, 9 changer transitions 1/293 dead transitions. [2024-11-28 04:36:52,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 293 transitions, 921 flow [2024-11-28 04:36:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2024-11-28 04:36:52,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8886509635974305 [2024-11-28 04:36:52,585 INFO L175 Difference]: Start difference. First operand has 263 places, 286 transitions, 793 flow. Second operand 3 states and 1245 transitions. [2024-11-28 04:36:52,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 293 transitions, 921 flow [2024-11-28 04:36:52,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 293 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:52,594 INFO L231 Difference]: Finished difference. Result has 265 places, 290 transitions, 839 flow [2024-11-28 04:36:52,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=265, PETRI_TRANSITIONS=290} [2024-11-28 04:36:52,595 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -36 predicate places. [2024-11-28 04:36:52,596 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 290 transitions, 839 flow [2024-11-28 04:36:52,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2024-11-28 04:36:52,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:52,597 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:52,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:36:52,597 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread_usbErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:52,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1696370032, now seen corresponding path program 1 times [2024-11-28 04:36:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28120146] [2024-11-28 04:36:52,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:52,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:36:52,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28120146] [2024-11-28 04:36:52,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28120146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:52,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:52,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:52,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992240376] [2024-11-28 04:36:52,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:52,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:52,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:52,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:52,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:52,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-11-28 04:36:52,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 290 transitions, 839 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2024-11-28 04:36:52,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:52,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-11-28 04:36:52,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:52,934 INFO L124 PetriNetUnfolderBase]: 152/1442 cut-off events. [2024-11-28 04:36:52,934 INFO L125 PetriNetUnfolderBase]: For 391/429 co-relation queries the response was YES. [2024-11-28 04:36:52,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2078 conditions, 1442 events. 152/1442 cut-off events. For 391/429 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8183 event pairs, 16 based on Foata normal form. 2/1299 useless extension candidates. Maximal degree in co-relation 1999. Up to 104 conditions per place. [2024-11-28 04:36:52,946 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 11 selfloop transitions, 2 changer transitions 2/294 dead transitions. [2024-11-28 04:36:52,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 294 transitions, 878 flow [2024-11-28 04:36:52,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-28 04:36:52,949 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9086366880799429 [2024-11-28 04:36:52,949 INFO L175 Difference]: Start difference. First operand has 265 places, 290 transitions, 839 flow. Second operand 3 states and 1273 transitions. [2024-11-28 04:36:52,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 294 transitions, 878 flow [2024-11-28 04:36:52,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 294 transitions, 854 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:52,957 INFO L231 Difference]: Finished difference. Result has 265 places, 290 transitions, 823 flow [2024-11-28 04:36:52,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=265, PETRI_TRANSITIONS=290} [2024-11-28 04:36:52,958 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -36 predicate places. [2024-11-28 04:36:52,958 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 290 transitions, 823 flow [2024-11-28 04:36:52,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2024-11-28 04:36:52,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:52,959 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] [2024-11-28 04:36:52,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:36:52,960 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:52,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:52,961 INFO L85 PathProgramCache]: Analyzing trace with hash 269378600, now seen corresponding path program 1 times [2024-11-28 04:36:52,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:52,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648171838] [2024-11-28 04:36:52,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:53,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:53,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648171838] [2024-11-28 04:36:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648171838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:53,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:36:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661243741] [2024-11-28 04:36:53,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:53,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:36:53,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:53,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:36:53,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:36:53,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 467 [2024-11-28 04:36:53,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 290 transitions, 823 flow. Second operand has 5 states, 5 states have (on average 418.4) internal successors, (2092), 5 states have internal predecessors, (2092), 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) [2024-11-28 04:36:53,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:53,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 467 [2024-11-28 04:36:53,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:53,741 INFO L124 PetriNetUnfolderBase]: 341/2805 cut-off events. [2024-11-28 04:36:53,742 INFO L125 PetriNetUnfolderBase]: For 567/621 co-relation queries the response was YES. [2024-11-28 04:36:53,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 2805 events. 341/2805 cut-off events. For 567/621 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20436 event pairs, 33 based on Foata normal form. 4/2528 useless extension candidates. Maximal degree in co-relation 3980. Up to 205 conditions per place. [2024-11-28 04:36:53,771 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 32 selfloop transitions, 8 changer transitions 0/312 dead transitions. [2024-11-28 04:36:53,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 312 transitions, 954 flow [2024-11-28 04:36:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:36:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:36:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2953 transitions. [2024-11-28 04:36:53,777 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9033343530131539 [2024-11-28 04:36:53,777 INFO L175 Difference]: Start difference. First operand has 265 places, 290 transitions, 823 flow. Second operand 7 states and 2953 transitions. [2024-11-28 04:36:53,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 312 transitions, 954 flow [2024-11-28 04:36:53,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 312 transitions, 952 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:36:53,784 INFO L231 Difference]: Finished difference. Result has 275 places, 297 transitions, 879 flow [2024-11-28 04:36:53,785 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=879, PETRI_PLACES=275, PETRI_TRANSITIONS=297} [2024-11-28 04:36:53,786 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -26 predicate places. [2024-11-28 04:36:53,786 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 297 transitions, 879 flow [2024-11-28 04:36:53,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 418.4) internal successors, (2092), 5 states have internal predecessors, (2092), 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) [2024-11-28 04:36:53,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:53,787 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] [2024-11-28 04:36:53,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:36:53,788 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:53,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1067039688, now seen corresponding path program 1 times [2024-11-28 04:36:53,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:53,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700214321] [2024-11-28 04:36:53,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:53,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:53,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:53,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700214321] [2024-11-28 04:36:53,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700214321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:53,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:53,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:36:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030698151] [2024-11-28 04:36:53,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:53,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:36:53,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:53,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:36:53,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:36:54,007 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 467 [2024-11-28 04:36:54,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 297 transitions, 879 flow. Second operand has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 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) [2024-11-28 04:36:54,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:54,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 467 [2024-11-28 04:36:54,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:55,099 INFO L124 PetriNetUnfolderBase]: 583/5209 cut-off events. [2024-11-28 04:36:55,100 INFO L125 PetriNetUnfolderBase]: For 1176/1271 co-relation queries the response was YES. [2024-11-28 04:36:55,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7679 conditions, 5209 events. 583/5209 cut-off events. For 1176/1271 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 46282 event pairs, 49 based on Foata normal form. 8/4716 useless extension candidates. Maximal degree in co-relation 7595. Up to 424 conditions per place. [2024-11-28 04:36:55,152 INFO L140 encePairwiseOnDemand]: 460/467 looper letters, 34 selfloop transitions, 9 changer transitions 0/324 dead transitions. [2024-11-28 04:36:55,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 324 transitions, 1030 flow [2024-11-28 04:36:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:36:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:36:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2970 transitions. [2024-11-28 04:36:55,159 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9085347200978893 [2024-11-28 04:36:55,159 INFO L175 Difference]: Start difference. First operand has 275 places, 297 transitions, 879 flow. Second operand 7 states and 2970 transitions. [2024-11-28 04:36:55,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 324 transitions, 1030 flow [2024-11-28 04:36:55,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 324 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:36:55,168 INFO L231 Difference]: Finished difference. Result has 287 places, 305 transitions, 947 flow [2024-11-28 04:36:55,170 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=947, PETRI_PLACES=287, PETRI_TRANSITIONS=305} [2024-11-28 04:36:55,170 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -14 predicate places. [2024-11-28 04:36:55,170 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 305 transitions, 947 flow [2024-11-28 04:36:55,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 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) [2024-11-28 04:36:55,172 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:55,172 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:55,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:36:55,172 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:55,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:55,174 INFO L85 PathProgramCache]: Analyzing trace with hash -877488111, now seen corresponding path program 1 times [2024-11-28 04:36:55,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:55,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435048925] [2024-11-28 04:36:55,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:55,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:55,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435048925] [2024-11-28 04:36:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435048925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:55,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:55,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:55,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39526729] [2024-11-28 04:36:55,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:55,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:55,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:55,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:55,352 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 467 [2024-11-28 04:36:55,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 305 transitions, 947 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-28 04:36:55,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:55,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 467 [2024-11-28 04:36:55,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:55,495 INFO L124 PetriNetUnfolderBase]: 62/812 cut-off events. [2024-11-28 04:36:55,495 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2024-11-28 04:36:55,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 812 events. 62/812 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2613 event pairs, 0 based on Foata normal form. 21/762 useless extension candidates. Maximal degree in co-relation 1033. Up to 54 conditions per place. [2024-11-28 04:36:55,502 INFO L140 encePairwiseOnDemand]: 462/467 looper letters, 13 selfloop transitions, 2 changer transitions 55/270 dead transitions. [2024-11-28 04:36:55,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 270 transitions, 772 flow [2024-11-28 04:36:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-28 04:36:55,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8979300499643112 [2024-11-28 04:36:55,505 INFO L175 Difference]: Start difference. First operand has 287 places, 305 transitions, 947 flow. Second operand 3 states and 1258 transitions. [2024-11-28 04:36:55,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 270 transitions, 772 flow [2024-11-28 04:36:55,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 270 transitions, 710 flow, removed 13 selfloop flow, removed 10 redundant places. [2024-11-28 04:36:55,511 INFO L231 Difference]: Finished difference. Result has 273 places, 213 transitions, 539 flow [2024-11-28 04:36:55,512 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=539, PETRI_PLACES=273, PETRI_TRANSITIONS=213} [2024-11-28 04:36:55,512 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -28 predicate places. [2024-11-28 04:36:55,512 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 213 transitions, 539 flow [2024-11-28 04:36:55,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-28 04:36:55,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:55,513 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:55,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:36:55,514 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread_usbErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:55,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash 458704424, now seen corresponding path program 1 times [2024-11-28 04:36:55,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:55,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067141913] [2024-11-28 04:36:55,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:55,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:55,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:55,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067141913] [2024-11-28 04:36:55,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067141913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:55,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:55,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:55,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963513001] [2024-11-28 04:36:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:55,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:55,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:55,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:55,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:55,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-28 04:36:55,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 213 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-28 04:36:55,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:55,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-28 04:36:55,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:55,764 INFO L124 PetriNetUnfolderBase]: 46/533 cut-off events. [2024-11-28 04:36:55,764 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-28 04:36:55,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 533 events. 46/533 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1360 event pairs, 8 based on Foata normal form. 0/486 useless extension candidates. Maximal degree in co-relation 623. Up to 60 conditions per place. [2024-11-28 04:36:55,770 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 16 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-28 04:36:55,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 212 transitions, 573 flow [2024-11-28 04:36:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1252 transitions. [2024-11-28 04:36:55,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8936473947180585 [2024-11-28 04:36:55,773 INFO L175 Difference]: Start difference. First operand has 273 places, 213 transitions, 539 flow. Second operand 3 states and 1252 transitions. [2024-11-28 04:36:55,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 212 transitions, 573 flow [2024-11-28 04:36:55,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 212 transitions, 536 flow, removed 3 selfloop flow, removed 15 redundant places. [2024-11-28 04:36:55,778 INFO L231 Difference]: Finished difference. Result has 216 places, 212 transitions, 504 flow [2024-11-28 04:36:55,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=216, PETRI_TRANSITIONS=212} [2024-11-28 04:36:55,778 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -85 predicate places. [2024-11-28 04:36:55,778 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 212 transitions, 504 flow [2024-11-28 04:36:55,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-28 04:36:55,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:36:55,779 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:55,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:36:55,780 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread_usbErr7ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-28 04:36:55,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:55,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1152868720, now seen corresponding path program 1 times [2024-11-28 04:36:55,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:55,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791425994] [2024-11-28 04:36:55,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:55,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:36:55,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:55,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791425994] [2024-11-28 04:36:55,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791425994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:55,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:55,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:36:55,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657779064] [2024-11-28 04:36:55,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:55,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:55,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:55,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:55,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:55,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 467 [2024-11-28 04:36:55,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 212 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-28 04:36:55,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:36:55,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 467 [2024-11-28 04:36:55,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:36:56,024 INFO L124 PetriNetUnfolderBase]: 22/368 cut-off events. [2024-11-28 04:36:56,024 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-28 04:36:56,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 368 events. 22/368 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 458 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 376. Up to 19 conditions per place. [2024-11-28 04:36:56,026 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 0 selfloop transitions, 0 changer transitions 211/211 dead transitions. [2024-11-28 04:36:56,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 211 transitions, 532 flow [2024-11-28 04:36:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:36:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-11-28 04:36:56,029 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8829407566024269 [2024-11-28 04:36:56,030 INFO L175 Difference]: Start difference. First operand has 216 places, 212 transitions, 504 flow. Second operand 3 states and 1237 transitions. [2024-11-28 04:36:56,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 211 transitions, 532 flow [2024-11-28 04:36:56,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 211 transitions, 528 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:36:56,032 INFO L231 Difference]: Finished difference. Result has 215 places, 0 transitions, 0 flow [2024-11-28 04:36:56,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=215, PETRI_TRANSITIONS=0} [2024-11-28 04:36:56,033 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -86 predicate places. [2024-11-28 04:36:56,033 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 0 transitions, 0 flow [2024-11-28 04:36:56,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-28 04:36:56,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-11-28 04:36:56,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-11-28 04:36:56,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-11-28 04:36:56,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-11-28 04:36:56,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 39 remaining) [2024-11-28 04:36:56,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:36:56,040 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:56,046 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:36:56,047 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:36:56,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:36:56 BasicIcfg [2024-11-28 04:36:56,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:36:56,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:36:56,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:36:56,056 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:36:56,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:45" (3/4) ... [2024-11-28 04:36:56,059 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:36:56,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2024-11-28 04:36:56,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2024-11-28 04:36:56,066 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 04:36:56,068 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:36:56,068 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:36:56,068 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:36:56,164 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:36:56,164 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:36:56,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:36:56,165 INFO L158 Benchmark]: Toolchain (without parser) took 13176.01ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 89.2MB in the beginning and 192.2MB in the end (delta: -103.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-11-28 04:36:56,166 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:56,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1261.98ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 84.0MB in the end (delta: 4.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-28 04:36:56,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 80.5MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:56,167 INFO L158 Benchmark]: Boogie Preprocessor took 53.80ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:36:56,168 INFO L158 Benchmark]: RCFGBuilder took 865.28ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 49.5MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:36:56,169 INFO L158 Benchmark]: TraceAbstraction took 10816.66ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 48.9MB in the beginning and 195.4MB in the end (delta: -146.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-28 04:36:56,169 INFO L158 Benchmark]: Witness Printer took 108.57ms. Allocated memory is still 285.2MB. Free memory was 195.4MB in the beginning and 192.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:56,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1261.98ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 84.0MB in the end (delta: 4.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 80.5MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.80ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 865.28ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 49.5MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10816.66ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 48.9MB in the beginning and 195.4MB in the end (delta: -146.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 108.57ms. Allocated memory is still 285.2MB. Free memory was 195.4MB in the beginning and 192.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1792]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 473 locations, 39 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: 10.6s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1277 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 283 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 224 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred in iteration=16, InterpolantAutomatonStates: 65, 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, 1.9s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1494 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 4/4 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 - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:36:56,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54fc638-1837-479e-b910-0fd2c4e8954b/bin/uautomizer-verify-aQ6SnzHsRB/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 Result: TRUE