./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 30e01a73
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-30e01a7
[2023-11-23 21:21:00,867 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-23 21:21:00,941 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2023-11-23 21:21:00,946 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 21:21:00,947 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 21:21:00,994 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 21:21:00,994 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 21:21:00,995 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 21:21:00,996 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 21:21:00,997 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 21:21:00,998 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-11-23 21:21:00,999 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-23 21:21:00,999 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-11-23 21:21:01,000 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-23 21:21:01,001 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-11-23 21:21:01,001 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-11-23 21:21:01,002 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-11-23 21:21:01,002 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-11-23 21:21:01,003 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-11-23 21:21:01,004 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-23 21:21:01,004 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-11-23 21:21:01,005 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-11-23 21:21:01,006 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 21:21:01,006 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-23 21:21:01,007 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-23 21:21:01,007 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-23 21:21:01,008 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-23 21:21:01,008 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-23 21:21:01,009 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 21:21:01,009 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 21:21:01,010 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 21:21:01,010 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-23 21:21:01,011 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-23 21:21:01,011 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-23 21:21:01,031 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-23 21:21:01,031 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-23 21:21:01,032 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 21:21:01,032 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-23 21:21:01,033 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:21:01,033 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 21:21:01,033 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 21:21:01,034 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 21:21:01,034 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-11-23 21:21:01,035 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 21:21:01,035 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 21:21:01,035 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 21:21:01,035 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-11-23 21:21:01,036 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 21:21:01,036 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire
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 -> Taipan
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
[2023-11-23 21:21:01,373 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 21:21:01,400 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 21:21:01,403 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 21:21:01,405 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-23 21:21:01,405 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-23 21:21:01,407 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i
[2023-11-23 21:21:04,533 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-23 21:21:05,101 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-23 21:21:05,102 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i
[2023-11-23 21:21:05,134 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/data/a7ed3405d/b2e3b3c575f748a98a39c6446a67f383/FLAG1b0c4386a
[2023-11-23 21:21:05,152 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/data/a7ed3405d/b2e3b3c575f748a98a39c6446a67f383
[2023-11-23 21:21:05,155 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 21:21:05,156 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 21:21:05,158 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 21:21:05,158 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 21:21:05,164 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 21:21:05,165 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:05" (1/1) ...
[2023-11-23 21:21:05,167 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d56a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:05, skipping insertion in model container
[2023-11-23 21:21:05,167 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:05" (1/1) ...
[2023-11-23 21:21:05,260 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-23 21:21:06,161 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:21:06,175 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-23 21:21:06,254 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:21:06,407 INFO  L206         MainTranslator]: Completed translation
[2023-11-23 21:21:06,408 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06 WrapperNode
[2023-11-23 21:21:06,408 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 21:21:06,409 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 21:21:06,409 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 21:21:06,410 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 21:21:06,418 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,471 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,523 INFO  L138                Inliner]: procedures = 487, calls = 45, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 289
[2023-11-23 21:21:06,523 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 21:21:06,524 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 21:21:06,524 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 21:21:06,525 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 21:21:06,534 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,535 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,542 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,542 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,561 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,565 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,572 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,576 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,584 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 21:21:06,585 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 21:21:06,586 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 21:21:06,586 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-23 21:21:06,623 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (1/1) ...
[2023-11-23 21:21:06,631 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:21:06,652 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/z3
[2023-11-23 21:21:06,681 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 21:21:06,711 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c13bc54-d71c-47da-a183-5b8a1112ea7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 21:21:06,724 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_usb
[2023-11-23 21:21:06,724 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_usb
[2023-11-23 21:21:06,725 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-23 21:21:06,725 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-23 21:21:06,725 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_ath9k
[2023-11-23 21:21:06,725 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_ath9k
[2023-11-23 21:21:06,727 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-23 21:21:06,727 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 21:21:06,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-23 21:21:06,728 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 21:21:06,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 21:21:06,729 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-23 21:21:06,729 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-23 21:21:06,729 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-23 21:21:06,729 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-23 21:21:06,731 WARN  L213             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-23 21:21:07,104 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-23 21:21:07,106 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 21:21:07,478 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-23 21:21:07,502 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 21:21:07,503 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-23 21:21:07,505 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:07 BoogieIcfgContainer
[2023-11-23 21:21:07,505 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 21:21:07,507 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 21:21:07,507 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 21:21:07,511 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-23 21:21:07,511 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:05" (1/3) ...
[2023-11-23 21:21:07,512 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb37e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:07, skipping insertion in model container
[2023-11-23 21:21:07,512 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:06" (2/3) ...
[2023-11-23 21:21:07,513 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb37e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:07, skipping insertion in model container
[2023-11-23 21:21:07,513 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:07" (3/3) ...
[2023-11-23 21:21:07,514 INFO  L112   eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i
[2023-11-23 21:21:07,523 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-23 21:21:07,533 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 21:21:07,533 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations.
[2023-11-23 21:21:07,534 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-23 21:21:07,670 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2023-11-23 21:21:07,730 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 440 places, 478 transitions, 983 flow
[2023-11-23 21:21:11,680 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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)
[2023-11-23 21:21:11,722 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 21:21:11,730 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@1b8f6fea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 21:21:11,730 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 36 error locations.
[2023-11-23 21:21:12,032 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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)
[2023-11-23 21:21:12,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-23 21:21:12,038 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:12,059 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:12,063 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:12,069 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:12,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -980702375, now seen corresponding path program 1 times
[2023-11-23 21:21:12,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:12,140 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520222548]
[2023-11-23 21:21:12,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:12,141 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:12,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:12,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:12,806 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:12,806 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520222548]
[2023-11-23 21:21:12,807 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520222548] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:12,807 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:12,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:12,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654538897]
[2023-11-23 21:21:12,811 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:12,816 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:12,817 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:12,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:12,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:13,058 INFO  L87              Difference]: Start difference. First operand  has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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) Second operand  has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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)
[2023-11-23 21:21:14,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:14,855 INFO  L93              Difference]: Finished difference Result 86803 states and 260329 transitions.
[2023-11-23 21:21:14,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:14,864 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 30
[2023-11-23 21:21:14,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:15,719 INFO  L225             Difference]: With dead ends: 86803
[2023-11-23 21:21:15,719 INFO  L226             Difference]: Without dead ends: 86120
[2023-11-23 21:21:15,721 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:15,725 INFO  L413           NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:15,727 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-23 21:21:15,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86120 states.
[2023-11-23 21:21:18,646 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86120 to 86120.
[2023-11-23 21:21:19,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86120 states, 85948 states have (on average 3.0076208870479824) internal successors, (258499), 86119 states have internal predecessors, (258499), 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)
[2023-11-23 21:21:19,921 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86120 states to 86120 states and 258499 transitions.
[2023-11-23 21:21:19,922 INFO  L78                 Accepts]: Start accepts. Automaton has 86120 states and 258499 transitions. Word has length 30
[2023-11-23 21:21:19,922 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:19,923 INFO  L495      AbstractCegarLoop]: Abstraction has 86120 states and 258499 transitions.
[2023-11-23 21:21:19,923 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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)
[2023-11-23 21:21:19,923 INFO  L276                IsEmpty]: Start isEmpty. Operand 86120 states and 258499 transitions.
[2023-11-23 21:21:19,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-23 21:21:19,924 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:19,924 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:19,925 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-23 21:21:19,925 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:19,925 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:19,926 INFO  L85        PathProgramCache]: Analyzing trace with hash -1736156384, now seen corresponding path program 1 times
[2023-11-23 21:21:19,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:19,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304895933]
[2023-11-23 21:21:19,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:19,927 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:19,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:20,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:20,036 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:20,037 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304895933]
[2023-11-23 21:21:20,037 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304895933] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:20,037 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:20,037 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:20,037 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679554384]
[2023-11-23 21:21:20,038 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:20,039 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:20,039 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:20,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:20,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:20,040 INFO  L87              Difference]: Start difference. First operand 86120 states and 258499 transitions. Second operand  has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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)
[2023-11-23 21:21:21,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:21,445 INFO  L93              Difference]: Finished difference Result 88663 states and 264592 transitions.
[2023-11-23 21:21:21,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:21,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33
[2023-11-23 21:21:21,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:21,846 INFO  L225             Difference]: With dead ends: 88663
[2023-11-23 21:21:21,846 INFO  L226             Difference]: Without dead ends: 88432
[2023-11-23 21:21:21,846 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:21,848 INFO  L413           NwaCegarLoop]: 282 mSDtfsCounter, 238 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:21,849 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 477 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-23 21:21:22,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88432 states.
[2023-11-23 21:21:24,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88432 to 84272.
[2023-11-23 21:21:24,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84272 states, 84134 states have (on average 2.993284522309649) internal successors, (251837), 84271 states have internal predecessors, (251837), 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)
[2023-11-23 21:21:25,193 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84272 states to 84272 states and 251837 transitions.
[2023-11-23 21:21:25,193 INFO  L78                 Accepts]: Start accepts. Automaton has 84272 states and 251837 transitions. Word has length 33
[2023-11-23 21:21:25,193 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:25,193 INFO  L495      AbstractCegarLoop]: Abstraction has 84272 states and 251837 transitions.
[2023-11-23 21:21:25,194 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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)
[2023-11-23 21:21:25,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 84272 states and 251837 transitions.
[2023-11-23 21:21:25,196 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-11-23 21:21:25,196 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:25,196 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:25,196 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-23 21:21:25,197 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:25,197 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:25,198 INFO  L85        PathProgramCache]: Analyzing trace with hash 1081406665, now seen corresponding path program 1 times
[2023-11-23 21:21:25,198 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:25,198 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284706512]
[2023-11-23 21:21:25,198 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:25,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:25,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:25,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:25,288 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:25,288 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284706512]
[2023-11-23 21:21:25,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284706512] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:25,289 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:25,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:25,289 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555286698]
[2023-11-23 21:21:25,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:25,290 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:25,290 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:25,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:25,291 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:25,292 INFO  L87              Difference]: Start difference. First operand 84272 states and 251837 transitions. Second operand  has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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)
[2023-11-23 21:21:26,395 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:26,396 INFO  L93              Difference]: Finished difference Result 84271 states and 251836 transitions.
[2023-11-23 21:21:26,396 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:26,396 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) Word has length 47
[2023-11-23 21:21:26,397 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:26,804 INFO  L225             Difference]: With dead ends: 84271
[2023-11-23 21:21:26,805 INFO  L226             Difference]: Without dead ends: 84271
[2023-11-23 21:21:26,805 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:26,807 INFO  L413           NwaCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:26,807 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 526 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-23 21:21:27,023 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84271 states.
[2023-11-23 21:21:29,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84271 to 84271.
[2023-11-23 21:21:29,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84271 states, 84134 states have (on average 2.993272636508427) internal successors, (251836), 84270 states have internal predecessors, (251836), 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)
[2023-11-23 21:21:29,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84271 states to 84271 states and 251836 transitions.
[2023-11-23 21:21:29,824 INFO  L78                 Accepts]: Start accepts. Automaton has 84271 states and 251836 transitions. Word has length 47
[2023-11-23 21:21:29,825 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:29,825 INFO  L495      AbstractCegarLoop]: Abstraction has 84271 states and 251836 transitions.
[2023-11-23 21:21:29,825 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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)
[2023-11-23 21:21:29,826 INFO  L276                IsEmpty]: Start isEmpty. Operand 84271 states and 251836 transitions.
[2023-11-23 21:21:29,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2023-11-23 21:21:29,828 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:29,828 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:29,828 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-23 21:21:29,829 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:29,829 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:29,829 INFO  L85        PathProgramCache]: Analyzing trace with hash -642345485, now seen corresponding path program 1 times
[2023-11-23 21:21:29,830 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:29,830 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486950164]
[2023-11-23 21:21:29,830 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:29,830 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:29,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:29,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:29,945 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:29,946 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486950164]
[2023-11-23 21:21:29,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486950164] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:29,946 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:29,946 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:29,947 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040629614]
[2023-11-23 21:21:29,947 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:29,948 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:29,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:29,948 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:29,949 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:29,949 INFO  L87              Difference]: Start difference. First operand 84271 states and 251836 transitions. Second operand  has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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)
[2023-11-23 21:21:30,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:30,497 INFO  L93              Difference]: Finished difference Result 84247 states and 251789 transitions.
[2023-11-23 21:21:30,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:30,498 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) Word has length 52
[2023-11-23 21:21:30,498 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:30,879 INFO  L225             Difference]: With dead ends: 84247
[2023-11-23 21:21:30,880 INFO  L226             Difference]: Without dead ends: 84247
[2023-11-23 21:21:30,880 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:30,892 INFO  L413           NwaCegarLoop]: 302 mSDtfsCounter, 24 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:30,894 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 563 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 21:21:31,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84247 states.
[2023-11-23 21:21:33,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84247 to 84247.
[2023-11-23 21:21:33,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84247 states, 84113 states have (on average 2.993461177225875) internal successors, (251789), 84246 states have internal predecessors, (251789), 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)
[2023-11-23 21:21:33,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84247 states to 84247 states and 251789 transitions.
[2023-11-23 21:21:33,930 INFO  L78                 Accepts]: Start accepts. Automaton has 84247 states and 251789 transitions. Word has length 52
[2023-11-23 21:21:33,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:33,930 INFO  L495      AbstractCegarLoop]: Abstraction has 84247 states and 251789 transitions.
[2023-11-23 21:21:33,931 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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)
[2023-11-23 21:21:33,931 INFO  L276                IsEmpty]: Start isEmpty. Operand 84247 states and 251789 transitions.
[2023-11-23 21:21:33,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-23 21:21:33,935 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:33,935 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:33,935 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-23 21:21:33,935 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:33,936 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:33,936 INFO  L85        PathProgramCache]: Analyzing trace with hash 1863072489, now seen corresponding path program 1 times
[2023-11-23 21:21:33,936 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:33,936 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011694623]
[2023-11-23 21:21:33,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:33,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:33,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:34,044 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:34,045 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:34,045 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011694623]
[2023-11-23 21:21:34,045 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011694623] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:34,045 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:34,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:34,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691723039]
[2023-11-23 21:21:34,047 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:34,048 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:34,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:34,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:34,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:34,049 INFO  L87              Difference]: Start difference. First operand 84247 states and 251789 transitions. Second operand  has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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)
[2023-11-23 21:21:35,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:35,444 INFO  L93              Difference]: Finished difference Result 94015 states and 283350 transitions.
[2023-11-23 21:21:35,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:35,450 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) Word has length 61
[2023-11-23 21:21:35,450 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:35,774 INFO  L225             Difference]: With dead ends: 94015
[2023-11-23 21:21:35,774 INFO  L226             Difference]: Without dead ends: 94015
[2023-11-23 21:21:35,774 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:35,776 INFO  L413           NwaCegarLoop]: 312 mSDtfsCounter, 186 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:35,776 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-23 21:21:35,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94015 states.
[2023-11-23 21:21:37,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94015 to 81583.
[2023-11-23 21:21:38,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81583 states, 81485 states have (on average 2.9932871080566974) internal successors, (243908), 81582 states have internal predecessors, (243908), 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)
[2023-11-23 21:21:38,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81583 states to 81583 states and 243908 transitions.
[2023-11-23 21:21:38,421 INFO  L78                 Accepts]: Start accepts. Automaton has 81583 states and 243908 transitions. Word has length 61
[2023-11-23 21:21:38,422 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:38,422 INFO  L495      AbstractCegarLoop]: Abstraction has 81583 states and 243908 transitions.
[2023-11-23 21:21:38,422 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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)
[2023-11-23 21:21:38,423 INFO  L276                IsEmpty]: Start isEmpty. Operand 81583 states and 243908 transitions.
[2023-11-23 21:21:38,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2023-11-23 21:21:38,426 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:38,426 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:38,427 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-23 21:21:38,427 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:38,428 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:38,428 INFO  L85        PathProgramCache]: Analyzing trace with hash -950379060, now seen corresponding path program 1 times
[2023-11-23 21:21:38,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:38,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035460236]
[2023-11-23 21:21:38,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:38,429 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:38,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:40,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:40,109 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:40,109 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035460236]
[2023-11-23 21:21:40,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035460236] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:40,109 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:40,110 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-23 21:21:40,111 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992475528]
[2023-11-23 21:21:40,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:40,112 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-23 21:21:40,117 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:40,117 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-23 21:21:40,118 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-23 21:21:40,118 INFO  L87              Difference]: Start difference. First operand 81583 states and 243908 transitions. Second operand  has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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)
[2023-11-23 21:21:40,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:40,798 INFO  L93              Difference]: Finished difference Result 78197 states and 233603 transitions.
[2023-11-23 21:21:40,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-23 21:21:40,799 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) Word has length 63
[2023-11-23 21:21:40,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:41,119 INFO  L225             Difference]: With dead ends: 78197
[2023-11-23 21:21:41,120 INFO  L226             Difference]: Without dead ends: 77721
[2023-11-23 21:21:41,120 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-11-23 21:21:41,121 INFO  L413           NwaCegarLoop]: 924 mSDtfsCounter, 736 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:41,122 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 2133 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-23 21:21:41,308 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77721 states.
[2023-11-23 21:21:43,087 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77721 to 77721.
[2023-11-23 21:21:43,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77721 states, 77659 states have (on average 2.99219665460539) internal successors, (232371), 77720 states have internal predecessors, (232371), 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)
[2023-11-23 21:21:43,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77721 states to 77721 states and 232371 transitions.
[2023-11-23 21:21:43,442 INFO  L78                 Accepts]: Start accepts. Automaton has 77721 states and 232371 transitions. Word has length 63
[2023-11-23 21:21:43,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:43,442 INFO  L495      AbstractCegarLoop]: Abstraction has 77721 states and 232371 transitions.
[2023-11-23 21:21:43,443 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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)
[2023-11-23 21:21:43,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 77721 states and 232371 transitions.
[2023-11-23 21:21:43,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2023-11-23 21:21:43,445 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:43,445 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:43,445 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-23 21:21:43,445 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr9ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:43,446 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:43,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -2057241165, now seen corresponding path program 1 times
[2023-11-23 21:21:43,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:43,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292335906]
[2023-11-23 21:21:43,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:43,447 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:43,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:43,543 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:43,543 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:43,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292335906]
[2023-11-23 21:21:43,543 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292335906] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:43,543 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:43,544 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:21:43,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707368771]
[2023-11-23 21:21:43,544 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:43,544 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:43,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:43,545 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:43,546 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:43,546 INFO  L87              Difference]: Start difference. First operand 77721 states and 232371 transitions. Second operand  has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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)
[2023-11-23 21:21:44,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:44,637 INFO  L93              Difference]: Finished difference Result 79180 states and 236716 transitions.
[2023-11-23 21:21:44,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:44,637 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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) Word has length 70
[2023-11-23 21:21:44,638 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:44,866 INFO  L225             Difference]: With dead ends: 79180
[2023-11-23 21:21:44,866 INFO  L226             Difference]: Without dead ends: 79012
[2023-11-23 21:21:44,867 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:44,867 INFO  L413           NwaCegarLoop]: 309 mSDtfsCounter, 59 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:44,868 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 537 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-23 21:21:45,023 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79012 states.
[2023-11-23 21:21:46,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79012 to 78243.
[2023-11-23 21:21:46,957 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78243 states, 78185 states have (on average 2.9916096437935664) internal successors, (233899), 78242 states have internal predecessors, (233899), 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)
[2023-11-23 21:21:47,248 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78243 states to 78243 states and 233899 transitions.
[2023-11-23 21:21:47,248 INFO  L78                 Accepts]: Start accepts. Automaton has 78243 states and 233899 transitions. Word has length 70
[2023-11-23 21:21:47,249 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:21:47,249 INFO  L495      AbstractCegarLoop]: Abstraction has 78243 states and 233899 transitions.
[2023-11-23 21:21:47,249 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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)
[2023-11-23 21:21:47,249 INFO  L276                IsEmpty]: Start isEmpty. Operand 78243 states and 233899 transitions.
[2023-11-23 21:21:47,252 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2023-11-23 21:21:47,253 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-23 21:21:47,253 INFO  L195           NwaCegarLoop]: 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]
[2023-11-23 21:21:47,253 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-23 21:21:47,253 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2023-11-23 21:21:47,254 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:21:47,254 INFO  L85        PathProgramCache]: Analyzing trace with hash 1204401051, now seen corresponding path program 1 times
[2023-11-23 21:21:47,254 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:21:47,254 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37531633]
[2023-11-23 21:21:47,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:21:47,255 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:21:47,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:21:47,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 21:21:47,450 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-23 21:21:47,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37531633]
[2023-11-23 21:21:47,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37531633] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:21:47,451 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:21:47,451 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-23 21:21:47,452 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983617713]
[2023-11-23 21:21:47,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:21:47,453 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:21:47,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-23 21:21:47,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:21:47,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:47,454 INFO  L87              Difference]: Start difference. First operand 78243 states and 233899 transitions. Second operand  has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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)
[2023-11-23 21:21:48,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:21:48,722 INFO  L93              Difference]: Finished difference Result 78703 states and 234862 transitions.
[2023-11-23 21:21:48,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-23 21:21:48,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) Word has length 72
[2023-11-23 21:21:48,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:21:48,979 INFO  L225             Difference]: With dead ends: 78703
[2023-11-23 21:21:48,979 INFO  L226             Difference]: Without dead ends: 78685
[2023-11-23 21:21:48,979 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-23 21:21:48,980 INFO  L413           NwaCegarLoop]: 254 mSDtfsCounter, 201 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-23 21:21:48,980 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 371 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-23 21:21:49,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 78685 states.