./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:34:05,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:34:05,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:34:05,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:34:05,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:34:05,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:34:05,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:34:05,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:34:05,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:34:05,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:34:05,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:34:05,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:34:05,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:34:05,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:34:05,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:34:05,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:34:05,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:34:05,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:34:05,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:34:05,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:34:05,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:34:05,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:34:05,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:34:05,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:34:05,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:34:05,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:34:05,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:34:05,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:34:05,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:34:05,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:34:05,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:34:05,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:34:05,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:34:05,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:34:05,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:34:05,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:34:05,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:34:05,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:34:05,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:34:05,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:34:05,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:34:05,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:34:05,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:34:05,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:34:05,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:34:05,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:34:05,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:34:05,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:34:05,506 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:34:05,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:34:05,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:34:05,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:34:05,507 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:34:05,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:34:05,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:34:05,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:34:05,508 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:34:05,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:34:05,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:34:05,509 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:34:05,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:34:05,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:34:05,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:34:05,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:34:05,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:34:05,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:34:05,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:34:05,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:34:05,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:34:05,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:34:05,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:34:05,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:05,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:34:05,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:34:05,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:34:05,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:34:05,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:34:05,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:34:05,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:34:05,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:34:05,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2022-11-03 02:34:05,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:34:05,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:34:05,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:34:05,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:34:05,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:34:05,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-03 02:34:06,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/data/b0e0efa1b/64e6cdd8651c495d9e2972f192b5796c/FLAGd8201301c [2022-11-03 02:34:07,194 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:34:07,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-03 02:34:07,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/data/b0e0efa1b/64e6cdd8651c495d9e2972f192b5796c/FLAGd8201301c [2022-11-03 02:34:07,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/data/b0e0efa1b/64e6cdd8651c495d9e2972f192b5796c [2022-11-03 02:34:07,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:34:07,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:34:07,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:07,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:34:07,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:34:07,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:34:07" (1/1) ... [2022-11-03 02:34:07,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bebc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:07, skipping insertion in model container [2022-11-03 02:34:07,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:34:07" (1/1) ... [2022-11-03 02:34:07,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:34:07,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:34:15,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-03 02:34:15,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-03 02:34:15,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-03 02:34:15,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-03 02:34:15,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:15,907 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:34:16,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-03 02:34:16,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-03 02:34:16,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-03 02:34:16,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-03 02:34:16,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:17,399 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:34:17,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17 WrapperNode [2022-11-03 02:34:17,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:17,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:17,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:34:17,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:34:17,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:17,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,154 INFO L138 Inliner]: procedures = 732, calls = 6977, calls flagged for inlining = 351, calls inlined = 332, statements flattened = 14608 [2022-11-03 02:34:18,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:18,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:34:18,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:34:18,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:34:18,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:18,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:19,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:34:19,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:34:19,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:34:19,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:34:19,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (1/1) ... [2022-11-03 02:34:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:19,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:34:19,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3114c-d41a-4bf3-8def-ed11164f1e11/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:34:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-03 02:34:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-03 02:34:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-03 02:34:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-03 02:34:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:34:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-03 02:34:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-03 02:34:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 02:34:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-03 02:34:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-03 02:34:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 02:34:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 02:34:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-03 02:34:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-03 02:34:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:34:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:34:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-03 02:34:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-03 02:34:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:34:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:34:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:34:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:34:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-03 02:34:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-03 02:34:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-03 02:34:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-03 02:34:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:34:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:34:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-03 02:34:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-03 02:34:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-03 02:34:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-03 02:34:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-03 02:34:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-03 02:34:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-03 02:34:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-03 02:34:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:34:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:34:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-03 02:34:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-03 02:34:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-11-03 02:34:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-11-03 02:34:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-03 02:34:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-03 02:34:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-03 02:34:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-03 02:34:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:34:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:34:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-03 02:34:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-03 02:34:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-03 02:34:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-03 02:34:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-03 02:34:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-03 02:34:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-03 02:34:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-03 02:34:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-03 02:34:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-03 02:34:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:34:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-03 02:34:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-03 02:34:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:34:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:34:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:34:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:34:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-03 02:34:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-03 02:34:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-03 02:34:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-03 02:34:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-03 02:34:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-03 02:34:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:34:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:34:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:34:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:34:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-03 02:34:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-03 02:34:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-03 02:34:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-03 02:34:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:34:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:34:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:34:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-03 02:34:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-03 02:34:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-03 02:34:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-03 02:34:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 02:34:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 02:34:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-03 02:34:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-03 02:34:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:34:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:34:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:34:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:34:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:34:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:34:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-03 02:34:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-03 02:34:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 02:34:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 02:34:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-03 02:34:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-03 02:34:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:34:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:34:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:34:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-03 02:34:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-03 02:34:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:34:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:34:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 02:34:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 02:34:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:34:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:34:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-03 02:34:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-03 02:34:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:34:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:34:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:34:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:34:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-03 02:34:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-03 02:34:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-03 02:34:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-03 02:34:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-03 02:34:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-03 02:34:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:34:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:34:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:34:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:34:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-03 02:34:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-03 02:34:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-03 02:34:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-03 02:34:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 02:34:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 02:34:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:34:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:34:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-03 02:34:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-03 02:34:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:34:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:34:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:34:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:34:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:34:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:34:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:34:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:34:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 02:34:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 02:34:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-03 02:34:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-03 02:34:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-03 02:34:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-03 02:34:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:34:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:34:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:34:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:34:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:34:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 02:34:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 02:34:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-03 02:34:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-03 02:34:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-03 02:34:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-03 02:34:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:34:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:34:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:34:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:34:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:34:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:34:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-03 02:34:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-03 02:34:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:34:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-03 02:34:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-03 02:34:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-03 02:34:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-03 02:34:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:34:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:34:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-03 02:34:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-03 02:34:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-03 02:34:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-03 02:34:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:34:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:34:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-03 02:34:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-03 02:34:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:34:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-03 02:34:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-03 02:34:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:34:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:34:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:34:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:34:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-03 02:34:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-03 02:34:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-03 02:34:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-03 02:34:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:34:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:34:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-03 02:34:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-03 02:34:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:34:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:34:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-03 02:34:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-03 02:34:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:34:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:34:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-03 02:34:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-03 02:34:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:34:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:34:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-03 02:34:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-03 02:34:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 02:34:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 02:34:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:34:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:34:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-03 02:34:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-03 02:34:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-03 02:34:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-03 02:34:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-03 02:34:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-03 02:34:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:34:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:34:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:34:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:34:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-03 02:34:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-03 02:34:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-03 02:34:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-03 02:34:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:34:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:34:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 02:34:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 02:34:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-03 02:34:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-03 02:34:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-03 02:34:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-03 02:34:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-03 02:34:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-03 02:34:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-03 02:34:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-03 02:34:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-03 02:34:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-03 02:34:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-03 02:34:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-03 02:34:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:34:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:34:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-03 02:34:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-03 02:34:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:34:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:34:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-03 02:34:19,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-03 02:34:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-03 02:34:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-03 02:34:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 02:34:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 02:34:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-03 02:34:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-03 02:34:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:34:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:34:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:34:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:34:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:34:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:34:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:34:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-03 02:34:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-03 02:34:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-03 02:34:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-03 02:34:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:34:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 02:34:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 02:34:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-03 02:34:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-03 02:34:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-03 02:34:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-03 02:34:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:34:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:34:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-03 02:34:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-03 02:34:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:34:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 02:34:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:34:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:34:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:34:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-03 02:34:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-03 02:34:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-03 02:34:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-03 02:34:19,207 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:34:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:34:19,207 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:34:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:34:19,208 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-03 02:34:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-03 02:34:19,208 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 02:34:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 02:34:19,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:34:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:34:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-03 02:34:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-03 02:34:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-03 02:34:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-03 02:34:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:34:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:34:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-03 02:34:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-03 02:34:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-03 02:34:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-03 02:34:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-03 02:34:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-03 02:34:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:34:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:34:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-03 02:34:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-03 02:34:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-03 02:34:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-03 02:34:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:34:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:34:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:34:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:34:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-03 02:34:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-03 02:34:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-03 02:34:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-03 02:34:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-03 02:34:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-03 02:34:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:34:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:34:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 02:34:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 02:34:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:34:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:34:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-03 02:34:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-03 02:34:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-03 02:34:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-03 02:34:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:34:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-03 02:34:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-03 02:34:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-03 02:34:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-03 02:34:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 02:34:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 02:34:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 02:34:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 02:34:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:34:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:34:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-03 02:34:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-03 02:34:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-03 02:34:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-03 02:34:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-03 02:34:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-03 02:34:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:34:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:34:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:34:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:34:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-03 02:34:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-03 02:34:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 02:34:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 02:34:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-03 02:34:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-03 02:34:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:34:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:34:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-03 02:34:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-03 02:34:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-03 02:34:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-03 02:34:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:34:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:34:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-03 02:34:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-03 02:34:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-03 02:34:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-03 02:34:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-03 02:34:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-03 02:34:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 02:34:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 02:34:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-03 02:34:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-03 02:34:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:34:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-03 02:34:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-03 02:34:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 02:34:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 02:34:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-03 02:34:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-03 02:34:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:34:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:34:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-03 02:34:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-03 02:34:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 02:34:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 02:34:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-03 02:34:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-03 02:34:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-03 02:34:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-03 02:34:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-03 02:34:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-03 02:34:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-03 02:34:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-03 02:34:21,210 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:34:21,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:34:21,832 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:35:19,263 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:35:19,875 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:35:24,523 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:35:24,524 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:35:24,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:35:24 BoogieIcfgContainer [2022-11-03 02:35:24,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:35:24,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:35:24,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:35:24,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:35:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:34:07" (1/3) ... [2022-11-03 02:35:24,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a801dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:35:24, skipping insertion in model container [2022-11-03 02:35:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:17" (2/3) ... [2022-11-03 02:35:24,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a801dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:35:24, skipping insertion in model container [2022-11-03 02:35:24,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:35:24" (3/3) ... [2022-11-03 02:35:24,544 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-03 02:35:24,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:35:24,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 02:35:24,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:35:24,739 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=LoopsAndPotentialCycles, 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;@468bc1de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:35:24,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 02:35:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 3946 states, 2337 states have (on average 1.335900727428327) internal successors, (3122), 2453 states have internal predecessors, (3122), 1413 states have call successors, (1413), 195 states have call predecessors, (1413), 194 states have return successors, (1406), 1359 states have call predecessors, (1406), 1406 states have call successors, (1406) [2022-11-03 02:35:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-11-03 02:35:24,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:24,854 INFO L195 NwaCegarLoop]: trace histogram [60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:24,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:35:24,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:24,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1368345799, now seen corresponding path program 1 times [2022-11-03 02:35:24,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:24,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787791073] [2022-11-03 02:35:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13806 trivial. 0 not checked. [2022-11-03 02:35:27,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:27,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787791073] [2022-11-03 02:35:27,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787791073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:35:27,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:35:27,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:35:27,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915966357] [2022-11-03 02:35:27,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:27,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:35:27,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:27,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:35:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:35:27,530 INFO L87 Difference]: Start difference. First operand has 3946 states, 2337 states have (on average 1.335900727428327) internal successors, (3122), 2453 states have internal predecessors, (3122), 1413 states have call successors, (1413), 195 states have call predecessors, (1413), 194 states have return successors, (1406), 1359 states have call predecessors, (1406), 1406 states have call successors, (1406) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-03 02:35:31,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:34,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:37,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:43,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:43,652 INFO L93 Difference]: Finished difference Result 11232 states and 17156 transitions. [2022-11-03 02:35:43,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:35:43,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 615 [2022-11-03 02:35:43,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:43,791 INFO L225 Difference]: With dead ends: 11232 [2022-11-03 02:35:43,795 INFO L226 Difference]: Without dead ends: 7394 [2022-11-03 02:35:43,838 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 [2022-11-03 02:35:43,842 INFO L413 NwaCegarLoop]: 6526 mSDtfsCounter, 5265 mSDsluCounter, 5814 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5275 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:43,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5275 Valid, 11744 Invalid, 1287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1271 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-11-03 02:35:43,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7394 states. [2022-11-03 02:35:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7394 to 7387. [2022-11-03 02:35:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7387 states, 4400 states have (on average 1.336818181818182) internal successors, (5882), 4629 states have internal predecessors, (5882), 2608 states have call successors, (2608), 377 states have call predecessors, (2608), 376 states have return successors, (2614), 2508 states have call predecessors, (2614), 2604 states have call successors, (2614) [2022-11-03 02:35:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7387 states to 7387 states and 11104 transitions. [2022-11-03 02:35:44,486 INFO L78 Accepts]: Start accepts. Automaton has 7387 states and 11104 transitions. Word has length 615 [2022-11-03 02:35:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:44,492 INFO L495 AbstractCegarLoop]: Abstraction has 7387 states and 11104 transitions. [2022-11-03 02:35:44,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-03 02:35:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7387 states and 11104 transitions. [2022-11-03 02:35:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-11-03 02:35:44,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:44,521 INFO L195 NwaCegarLoop]: trace histogram [60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:44,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:35:44,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:35:44,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:44,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1762532157, now seen corresponding path program 1 times [2022-11-03 02:35:44,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:44,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055402163] [2022-11-03 02:35:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13806 trivial. 0 not checked. [2022-11-03 02:35:45,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055402163] [2022-11-03 02:35:45,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055402163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:35:45,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:35:45,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:35:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278069797] [2022-11-03 02:35:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:45,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:35:45,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:35:45,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:35:45,519 INFO L87 Difference]: Start difference. First operand 7387 states and 11104 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-03 02:35:48,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:51,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:57,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:00,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:02,570 INFO L93 Difference]: Finished difference Result 21591 states and 32449 transitions. [2022-11-03 02:36:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:36:02,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 624 [2022-11-03 02:36:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:02,695 INFO L225 Difference]: With dead ends: 21591 [2022-11-03 02:36:02,695 INFO L226 Difference]: Without dead ends: 14323 [2022-11-03 02:36:02,755 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 [2022-11-03 02:36:02,757 INFO L413 NwaCegarLoop]: 6542 mSDtfsCounter, 5259 mSDsluCounter, 5860 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5266 SdHoareTripleChecker+Valid, 11801 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:02,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5266 Valid, 11801 Invalid, 1287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1278 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-03 02:36:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14323 states. [2022-11-03 02:36:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14323 to 14281. [2022-11-03 02:36:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14281 states, 8532 states have (on average 1.3384903891233004) internal successors, (11420), 8982 states have internal predecessors, (11420), 5009 states have call successors, (5009), 738 states have call predecessors, (5009), 737 states have return successors, (5034), 4808 states have call predecessors, (5034), 5005 states have call successors, (5034) [2022-11-03 02:36:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14281 states to 14281 states and 21463 transitions. [2022-11-03 02:36:03,997 INFO L78 Accepts]: Start accepts. Automaton has 14281 states and 21463 transitions. Word has length 624 [2022-11-03 02:36:03,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:04,000 INFO L495 AbstractCegarLoop]: Abstraction has 14281 states and 21463 transitions. [2022-11-03 02:36:04,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-03 02:36:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 14281 states and 21463 transitions. [2022-11-03 02:36:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-11-03 02:36:04,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:04,038 INFO L195 NwaCegarLoop]: trace histogram [60, 59, 59, 59, 59, 59, 59, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:36:04,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:36:04,038 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:36:04,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:04,039 INFO L85 PathProgramCache]: Analyzing trace with hash 908074971, now seen corresponding path program 1 times [2022-11-03 02:36:04,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:04,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272846250] [2022-11-03 02:36:04,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:04,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:36:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13812 trivial. 0 not checked. [2022-11-03 02:36:05,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:36:05,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272846250] [2022-11-03 02:36:05,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272846250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:36:05,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:36:05,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:36:05,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32862884] [2022-11-03 02:36:05,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:36:05,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:36:05,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:36:05,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:36:05,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:36:05,471 INFO L87 Difference]: Start difference. First operand 14281 states and 21463 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-11-03 02:36:08,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:11,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:16,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:21,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:21,068 INFO L93 Difference]: Finished difference Result 40821 states and 61370 transitions. [2022-11-03 02:36:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:36:21,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 642 [2022-11-03 02:36:21,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:21,243 INFO L225 Difference]: With dead ends: 40821 [2022-11-03 02:36:21,244 INFO L226 Difference]: Without dead ends: 26659 [2022-11-03 02:36:21,322 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 [2022-11-03 02:36:21,323 INFO L413 NwaCegarLoop]: 6624 mSDtfsCounter, 4826 mSDsluCounter, 5880 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 11892 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:21,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 11892 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1290 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2022-11-03 02:36:21,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26659 states. [2022-11-03 02:36:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26659 to 26609. [2022-11-03 02:36:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26609 states, 15902 states have (on average 1.3392026160231418) internal successors, (21296), 16745 states have internal predecessors, (21296), 9297 states have call successors, (9297), 1408 states have call predecessors, (9297), 1407 states have return successors, (9422), 8887 states have call predecessors, (9422), 9293 states have call successors, (9422) [2022-11-03 02:36:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26609 states to 26609 states and 40015 transitions. [2022-11-03 02:36:23,166 INFO L78 Accepts]: Start accepts. Automaton has 26609 states and 40015 transitions. Word has length 642 [2022-11-03 02:36:23,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:23,169 INFO L495 AbstractCegarLoop]: Abstraction has 26609 states and 40015 transitions. [2022-11-03 02:36:23,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-11-03 02:36:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 26609 states and 40015 transitions. [2022-11-03 02:36:23,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2022-11-03 02:36:23,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:23,195 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 7, 7, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:36:23,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:36:23,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:36:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash -581124741, now seen corresponding path program 1 times [2022-11-03 02:36:23,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:23,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742078288] [2022-11-03 02:36:23,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:23,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:36:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14135 trivial. 0 not checked. [2022-11-03 02:36:25,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:36:25,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742078288] [2022-11-03 02:36:25,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742078288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:36:25,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:36:25,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:36:25,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946389657] [2022-11-03 02:36:25,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:36:25,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:36:25,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:36:25,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:36:25,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:36:25,621 INFO L87 Difference]: Start difference. First operand 26609 states and 40015 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-03 02:36:29,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:33,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:38,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:44,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:44,632 INFO L93 Difference]: Finished difference Result 27589 states and 41308 transitions. [2022-11-03 02:36:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:36:44,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 694 [2022-11-03 02:36:44,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:44,828 INFO L225 Difference]: With dead ends: 27589 [2022-11-03 02:36:44,828 INFO L226 Difference]: Without dead ends: 27587 [2022-11-03 02:36:44,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:36:44,851 INFO L413 NwaCegarLoop]: 5528 mSDtfsCounter, 5381 mSDsluCounter, 13697 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5402 SdHoareTripleChecker+Valid, 17839 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:44,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5402 Valid, 17839 Invalid, 2040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2036 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2022-11-03 02:36:44,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27587 states. [2022-11-03 02:36:46,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27587 to 27575. [2022-11-03 02:36:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27575 states, 16459 states have (on average 1.3362294185551977) internal successors, (21993), 17342 states have internal predecessors, (21993), 9583 states have call successors, (9583), 1528 states have call predecessors, (9583), 1530 states have return successors, (9720), 9170 states have call predecessors, (9720), 9579 states have call successors, (9720) [2022-11-03 02:36:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27575 states to 27575 states and 41296 transitions. [2022-11-03 02:36:46,756 INFO L78 Accepts]: Start accepts. Automaton has 27575 states and 41296 transitions. Word has length 694 [2022-11-03 02:36:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:46,758 INFO L495 AbstractCegarLoop]: Abstraction has 27575 states and 41296 transitions. [2022-11-03 02:36:46,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-03 02:36:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 27575 states and 41296 transitions. [2022-11-03 02:36:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-11-03 02:36:46,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:46,790 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 7, 7, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:36:46,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:36:46,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:36:46,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:46,791 INFO L85 PathProgramCache]: Analyzing trace with hash -349297406, now seen corresponding path program 1 times [2022-11-03 02:36:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:46,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253693344] [2022-11-03 02:36:46,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:46,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:36:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 14137 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14135 trivial. 0 not checked. [2022-11-03 02:36:49,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:36:49,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253693344] [2022-11-03 02:36:49,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253693344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:36:49,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:36:49,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:36:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842671006] [2022-11-03 02:36:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:36:49,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:36:49,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:36:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:36:49,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:36:49,034 INFO L87 Difference]: Start difference. First operand 27575 states and 41296 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-03 02:36:53,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:56,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:02,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:08,457 INFO L93 Difference]: Finished difference Result 27586 states and 41304 transitions. [2022-11-03 02:37:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:37:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 699 [2022-11-03 02:37:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:08,749 INFO L225 Difference]: With dead ends: 27586 [2022-11-03 02:37:08,749 INFO L226 Difference]: Without dead ends: 27584 [2022-11-03 02:37:08,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:37:08,764 INFO L413 NwaCegarLoop]: 5531 mSDtfsCounter, 5376 mSDsluCounter, 13697 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 17842 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:08,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 17842 Invalid, 2040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2036 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-11-03 02:37:08,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27584 states. [2022-11-03 02:37:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27584 to 27579. [2022-11-03 02:37:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27579 states, 16462 states have (on average 1.3361681448183695) internal successors, (21996), 17345 states have internal predecessors, (21996), 9583 states have call successors, (9583), 1529 states have call predecessors, (9583), 1531 states have return successors, (9720), 9170 states have call predecessors, (9720), 9579 states have call successors, (9720) [2022-11-03 02:37:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 41299 transitions. [2022-11-03 02:37:10,810 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 41299 transitions. Word has length 699 [2022-11-03 02:37:10,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:10,811 INFO L495 AbstractCegarLoop]: Abstraction has 27579 states and 41299 transitions. [2022-11-03 02:37:10,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-03 02:37:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 41299 transitions. [2022-11-03 02:37:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-11-03 02:37:10,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:10,840 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:10,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:37:10,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:37:10,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash -365432493, now seen corresponding path program 1 times [2022-11-03 02:37:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:10,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898280429] [2022-11-03 02:37:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14155 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14151 trivial. 0 not checked. [2022-11-03 02:37:13,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:13,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898280429] [2022-11-03 02:37:13,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898280429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:13,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:13,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:37:13,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603053825] [2022-11-03 02:37:13,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:13,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:37:13,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:13,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:37:13,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:37:13,312 INFO L87 Difference]: Start difference. First operand 27579 states and 41299 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-03 02:37:17,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:21,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:26,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:32,100 INFO L93 Difference]: Finished difference Result 27590 states and 41307 transitions. [2022-11-03 02:37:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:37:32,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 712 [2022-11-03 02:37:32,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:32,269 INFO L225 Difference]: With dead ends: 27590 [2022-11-03 02:37:32,269 INFO L226 Difference]: Without dead ends: 27588 [2022-11-03 02:37:32,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:37:32,290 INFO L413 NwaCegarLoop]: 5531 mSDtfsCounter, 5375 mSDsluCounter, 13697 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5394 SdHoareTripleChecker+Valid, 17842 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:32,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5394 Valid, 17842 Invalid, 2040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2036 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2022-11-03 02:37:32,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27588 states. [2022-11-03 02:37:34,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27588 to 27583. [2022-11-03 02:37:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27583 states, 16465 states have (on average 1.3361068934102642) internal successors, (21999), 17348 states have internal predecessors, (21999), 9583 states have call successors, (9583), 1530 states have call predecessors, (9583), 1532 states have return successors, (9720), 9170 states have call predecessors, (9720), 9579 states have call successors, (9720) [2022-11-03 02:37:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27583 states to 27583 states and 41302 transitions. [2022-11-03 02:37:34,328 INFO L78 Accepts]: Start accepts. Automaton has 27583 states and 41302 transitions. Word has length 712 [2022-11-03 02:37:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:34,329 INFO L495 AbstractCegarLoop]: Abstraction has 27583 states and 41302 transitions. [2022-11-03 02:37:34,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (81), 3 states have call predecessors, (81), 1 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-03 02:37:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27583 states and 41302 transitions. [2022-11-03 02:37:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-11-03 02:37:34,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:34,361 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 8, 8, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:34,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:37:34,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:37:34,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:34,362 INFO L85 PathProgramCache]: Analyzing trace with hash 657180586, now seen corresponding path program 1 times [2022-11-03 02:37:34,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:34,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163344276] [2022-11-03 02:37:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:34,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14165 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14159 trivial. 0 not checked. [2022-11-03 02:37:36,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:36,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163344276] [2022-11-03 02:37:36,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163344276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:36,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:36,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:37:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832371036] [2022-11-03 02:37:36,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:36,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:37:36,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:36,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:37:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:37:36,729 INFO L87 Difference]: Start difference. First operand 27583 states and 41302 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-03 02:37:40,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:44,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:52,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:01,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:01,380 INFO L93 Difference]: Finished difference Result 54161 states and 82002 transitions. [2022-11-03 02:38:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:38:01,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 717 [2022-11-03 02:38:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:01,932 INFO L225 Difference]: With dead ends: 54161 [2022-11-03 02:38:01,932 INFO L226 Difference]: Without dead ends: 54159 [2022-11-03 02:38:01,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:38:01,960 INFO L413 NwaCegarLoop]: 7501 mSDtfsCounter, 5613 mSDsluCounter, 22118 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5621 SdHoareTripleChecker+Valid, 27548 SdHoareTripleChecker+Invalid, 2828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:01,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5621 Valid, 27548 Invalid, 2828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2822 Invalid, 3 Unknown, 0 Unchecked, 22.3s Time] [2022-11-03 02:38:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54159 states. [2022-11-03 02:38:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54159 to 54136. [2022-11-03 02:38:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54136 states, 32369 states have (on average 1.3383175260279898) internal successors, (43320), 34125 states have internal predecessors, (43320), 18765 states have call successors, (18765), 3004 states have call predecessors, (18765), 2999 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-03 02:38:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54136 states to 54136 states and 81979 transitions. [2022-11-03 02:38:05,393 INFO L78 Accepts]: Start accepts. Automaton has 54136 states and 81979 transitions. Word has length 717 [2022-11-03 02:38:05,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:05,395 INFO L495 AbstractCegarLoop]: Abstraction has 54136 states and 81979 transitions. [2022-11-03 02:38:05,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-11-03 02:38:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 54136 states and 81979 transitions. [2022-11-03 02:38:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-11-03 02:38:05,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:05,443 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 7, 7, 5, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:05,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:38:05,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:38:05,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2061184443, now seen corresponding path program 1 times [2022-11-03 02:38:05,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:05,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095981141] [2022-11-03 02:38:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14159 trivial. 0 not checked. [2022-11-03 02:38:07,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:07,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095981141] [2022-11-03 02:38:07,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095981141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:07,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:07,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:38:07,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176443306] [2022-11-03 02:38:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:07,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:38:07,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:07,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:38:07,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:38:07,660 INFO L87 Difference]: Start difference. First operand 54136 states and 81979 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 02:38:11,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:15,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:21,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:28,640 INFO L93 Difference]: Finished difference Result 54151 states and 81991 transitions. [2022-11-03 02:38:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:38:28,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 714 [2022-11-03 02:38:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:28,962 INFO L225 Difference]: With dead ends: 54151 [2022-11-03 02:38:28,962 INFO L226 Difference]: Without dead ends: 54149 [2022-11-03 02:38:28,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:38:28,998 INFO L413 NwaCegarLoop]: 5531 mSDtfsCounter, 5376 mSDsluCounter, 13697 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 17842 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:28,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 17842 Invalid, 2040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2036 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2022-11-03 02:38:29,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54149 states. [2022-11-03 02:38:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54149 to 54144. [2022-11-03 02:38:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54144 states, 32375 states have (on average 1.3382548262548262) internal successors, (43326), 34131 states have internal predecessors, (43326), 18765 states have call successors, (18765), 3006 states have call predecessors, (18765), 3001 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-03 02:38:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54144 states to 54144 states and 81985 transitions. [2022-11-03 02:38:32,433 INFO L78 Accepts]: Start accepts. Automaton has 54144 states and 81985 transitions. Word has length 714 [2022-11-03 02:38:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:32,434 INFO L495 AbstractCegarLoop]: Abstraction has 54144 states and 81985 transitions. [2022-11-03 02:38:32,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 02:38:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 54144 states and 81985 transitions. [2022-11-03 02:38:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2022-11-03 02:38:32,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:32,471 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 8, 8, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:32,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:38:32,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:38:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1765262468, now seen corresponding path program 1 times [2022-11-03 02:38:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:32,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188763668] [2022-11-03 02:38:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14188 trivial. 0 not checked. [2022-11-03 02:38:34,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:34,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188763668] [2022-11-03 02:38:34,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188763668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:34,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:34,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:38:34,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855459362] [2022-11-03 02:38:34,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:34,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:38:34,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:34,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:38:34,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:38:34,673 INFO L87 Difference]: Start difference. First operand 54144 states and 81985 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-03 02:38:38,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:42,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:47,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:49,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:51,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:57,936 INFO L93 Difference]: Finished difference Result 54159 states and 81997 transitions. [2022-11-03 02:38:57,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:38:57,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 728 [2022-11-03 02:38:57,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:58,237 INFO L225 Difference]: With dead ends: 54159 [2022-11-03 02:38:58,237 INFO L226 Difference]: Without dead ends: 54157 [2022-11-03 02:38:58,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:38:58,270 INFO L413 NwaCegarLoop]: 5531 mSDtfsCounter, 5376 mSDsluCounter, 13698 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 17841 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:58,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5390 Valid, 17841 Invalid, 2042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2037 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2022-11-03 02:38:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54157 states. [2022-11-03 02:39:01,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54157 to 54152. [2022-11-03 02:39:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54152 states, 32381 states have (on average 1.338192149717427) internal successors, (43332), 34137 states have internal predecessors, (43332), 18765 states have call successors, (18765), 3008 states have call predecessors, (18765), 3003 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-03 02:39:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54152 states to 54152 states and 81991 transitions. [2022-11-03 02:39:01,843 INFO L78 Accepts]: Start accepts. Automaton has 54152 states and 81991 transitions. Word has length 728 [2022-11-03 02:39:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:01,845 INFO L495 AbstractCegarLoop]: Abstraction has 54152 states and 81991 transitions. [2022-11-03 02:39:01,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (84), 3 states have call predecessors, (84), 1 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-03 02:39:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 54152 states and 81991 transitions. [2022-11-03 02:39:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-11-03 02:39:01,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:01,872 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 8, 8, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:01,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:39:01,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:39:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1934269037, now seen corresponding path program 1 times [2022-11-03 02:39:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:01,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199304536] [2022-11-03 02:39:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14219 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14207 trivial. 0 not checked. [2022-11-03 02:39:03,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:03,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199304536] [2022-11-03 02:39:03,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199304536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:03,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:03,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:39:03,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490451329] [2022-11-03 02:39:03,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:03,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:39:03,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:03,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:39:03,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:39:03,662 INFO L87 Difference]: Start difference. First operand 54152 states and 81991 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (85), 3 states have call predecessors, (85), 1 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2022-11-03 02:39:07,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:11,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:17,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []