./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 b5237d83 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_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/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_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:00:39,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:00:39,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:00:39,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:00:39,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:00:39,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:00:39,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:00:39,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:00:39,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:00:39,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:00:39,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:00:39,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:00:39,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:00:39,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:00:39,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:00:39,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:00:39,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:00:39,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:00:39,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:00:39,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:00:39,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:00:39,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:00:39,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:00:39,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:00:39,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:00:39,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:00:39,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:00:39,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:00:39,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:00:39,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:00:39,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:00:39,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:00:39,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:00:39,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:00:39,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:00:39,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:00:39,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:00:39,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:00:39,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:00:39,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:00:39,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:00:39,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:00:39,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:00:39,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:00:39,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:00:39,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:00:39,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:00:39,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:00:39,483 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:00:39,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:00:39,484 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:00:39,484 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:00:39,485 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:00:39,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:00:39,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:00:39,486 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:00:39,486 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:00:39,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:00:39,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:00:39,486 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:00:39,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:00:39,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:00:39,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:00:39,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:00:39,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:00:39,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:00:39,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:00:39,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:00:39,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:00:39,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:00:39,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:00:39,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:39,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:00:39,490 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:00:39,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:00:39,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:00:39,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:00:39,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:00:39,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:00:39,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:00:39,491 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_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2022-11-22 02:00:39,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:00:39,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:00:39,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:00:39,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:00:39,833 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:00:39,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 02:00:42,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:00:43,790 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:00:43,790 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 02:00:43,935 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/data/5716c225e/54d94048ec2041c6bbbd3c5aaae27764/FLAG7b6a5e9bd [2022-11-22 02:00:43,979 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/data/5716c225e/54d94048ec2041c6bbbd3c5aaae27764 [2022-11-22 02:00:43,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:00:43,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:00:43,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:43,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:00:43,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:00:43,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:43" (1/1) ... [2022-11-22 02:00:43,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e40c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:43, skipping insertion in model container [2022-11-22 02:00:43,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:43" (1/1) ... [2022-11-22 02:00:44,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:00:44,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:00:51,151 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-22 02:00:51,155 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-22 02:00:51,156 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-22 02:00:51,157 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-22 02:00:51,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:51,281 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:00:52,069 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2022-11-22 02:00:52,070 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2022-11-22 02:00:52,070 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2022-11-22 02:00:52,071 WARN L237 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_86df1600-b425-497b-b90e-254c69643d4a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2022-11-22 02:00:52,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:52,498 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:00:52,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52 WrapperNode [2022-11-22 02:00:52,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:52,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:52,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:00:52,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:00:52,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:52,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,178 INFO L138 Inliner]: procedures = 732, calls = 7041, calls flagged for inlining = 351, calls inlined = 332, statements flattened = 14525 [2022-11-22 02:00:53,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:53,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:00:53,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:00:53,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:00:53,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,884 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:53,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:00:54,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:00:54,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:00:54,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:00:54,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (1/1) ... [2022-11-22 02:00:54,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:54,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:00:54,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86df1600-b425-497b-b90e-254c69643d4a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:00:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-22 02:00:54,083 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-22 02:00:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-22 02:00:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-22 02:00:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 02:00:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-22 02:00:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-22 02:00:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 02:00:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-22 02:00:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-22 02:00:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-22 02:00:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-22 02:00:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-22 02:00:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-22 02:00:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:00:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:00:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-22 02:00:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-22 02:00:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:00:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:00:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:00:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:00:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-22 02:00:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-22 02:00:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-22 02:00:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-22 02:00:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:00:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:00:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-22 02:00:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-22 02:00:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-22 02:00:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-22 02:00:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-22 02:00:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-22 02:00:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-22 02:00:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-22 02:00:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:00:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:00:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-22 02:00:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-22 02:00:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-11-22 02:00:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-11-22 02:00:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-22 02:00:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-22 02:00:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-22 02:00:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-22 02:00:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:00:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:00:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-22 02:00:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-22 02:00:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-22 02:00:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-22 02:00:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-22 02:00:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-22 02:00:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-22 02:00:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-22 02:00:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-22 02:00:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-22 02:00:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 02:00:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-22 02:00:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-22 02:00:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:00:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:00:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:00:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:00:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-22 02:00:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-22 02:00:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-22 02:00:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-22 02:00:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-22 02:00:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-22 02:00:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:00:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:00:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:00:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:00:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-22 02:00:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-22 02:00:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-22 02:00:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-22 02:00:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:00:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 02:00:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 02:00:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-22 02:00:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-22 02:00:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-22 02:00:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-22 02:00:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-22 02:00:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-22 02:00:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-22 02:00:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-22 02:00:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 02:00:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 02:00:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:00:54,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:00:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:00:54,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:00:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-22 02:00:54,104 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-22 02:00:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 02:00:54,105 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 02:00:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-22 02:00:54,105 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-22 02:00:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:00:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 02:00:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 02:00:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-22 02:00:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-22 02:00:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:00:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:00:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 02:00:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 02:00:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:00:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:00:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-22 02:00:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-22 02:00:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:00:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:00:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:00:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:00:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-22 02:00:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-22 02:00:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-22 02:00:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-22 02:00:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-22 02:00:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-22 02:00:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:00:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:00:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:00:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:00:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-22 02:00:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-22 02:00:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-22 02:00:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-22 02:00:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-22 02:00:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-22 02:00:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:00:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:00:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-22 02:00:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-22 02:00:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 02:00:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 02:00:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 02:00:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 02:00:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:00:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:00:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 02:00:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 02:00:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 02:00:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 02:00:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-22 02:00:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-22 02:00:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-22 02:00:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-22 02:00:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:00:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:00:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:00:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:00:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:00:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 02:00:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 02:00:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 02:00:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 02:00:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-22 02:00:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-22 02:00:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:00:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:00:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:00:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:00:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:00:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:00:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-22 02:00:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-22 02:00:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:00:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-22 02:00:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-22 02:00:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-22 02:00:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-22 02:00:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:00:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:00:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 02:00:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 02:00:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-22 02:00:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-22 02:00:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-22 02:00:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-22 02:00:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 02:00:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 02:00:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-22 02:00:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-22 02:00:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:00:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:00:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-22 02:00:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-22 02:00:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:00:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:00:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:00:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:00:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-22 02:00:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-22 02:00:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-22 02:00:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-22 02:00:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:00:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:00:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-22 02:00:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-22 02:00:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:00:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:00:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-22 02:00:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-22 02:00:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:00:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:00:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-22 02:00:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-22 02:00:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 02:00:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 02:00:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-22 02:00:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-22 02:00:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-22 02:00:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-22 02:00:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 02:00:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 02:00:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-22 02:00:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-22 02:00:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-22 02:00:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-22 02:00:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-22 02:00:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-22 02:00:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:00:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:00:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:00:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:00:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-22 02:00:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-22 02:00:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-22 02:00:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-22 02:00:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:00:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:00:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 02:00:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 02:00:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-22 02:00:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-22 02:00:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-22 02:00:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-22 02:00:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-22 02:00:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-22 02:00:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-22 02:00:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-22 02:00:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-22 02:00:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-22 02:00:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-22 02:00:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-22 02:00:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:00:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:00:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-22 02:00:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-22 02:00:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:00:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:00:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-22 02:00:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-22 02:00:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-22 02:00:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-22 02:00:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-22 02:00:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-22 02:00:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-22 02:00:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-22 02:00:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:00:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:00:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 02:00:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 02:00:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:00:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:00:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:00:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-22 02:00:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-22 02:00:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-22 02:00:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-22 02:00:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:00:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-22 02:00:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-22 02:00:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-22 02:00:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-22 02:00:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-22 02:00:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-22 02:00:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 02:00:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 02:00:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-22 02:00:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-22 02:00:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 02:00:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 02:00:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:00:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 02:00:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 02:00:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-22 02:00:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-22 02:00:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-22 02:00:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-22 02:00:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:00:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:00:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 02:00:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 02:00:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-22 02:00:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-22 02:00:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-22 02:00:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-22 02:00:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:00:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:00:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-22 02:00:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-22 02:00:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-22 02:00:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-22 02:00:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:00:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:00:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-22 02:00:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-22 02:00:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-22 02:00:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-22 02:00:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-22 02:00:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-22 02:00:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 02:00:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 02:00:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-22 02:00:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-22 02:00:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-22 02:00:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-22 02:00:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:00:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:00:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:00:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:00:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-22 02:00:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-22 02:00:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-22 02:00:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-22 02:00:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-22 02:00:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-22 02:00:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:00:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:00:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 02:00:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 02:00:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:00:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:00:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-22 02:00:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-22 02:00:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-22 02:00:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-22 02:00:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:00:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-22 02:00:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-22 02:00:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-22 02:00:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-22 02:00:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-22 02:00:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-22 02:00:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-22 02:00:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-22 02:00:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:00:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:00:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-22 02:00:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-22 02:00:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-22 02:00:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-22 02:00:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-22 02:00:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-22 02:00:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 02:00:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 02:00:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 02:00:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 02:00:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-22 02:00:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-22 02:00:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 02:00:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 02:00:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-22 02:00:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-22 02:00:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:00:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:00:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-22 02:00:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-22 02:00:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-22 02:00:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-22 02:00:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:00:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:00:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-22 02:00:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-22 02:00:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-22 02:00:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-22 02:00:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-22 02:00:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-22 02:00:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-22 02:00:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-22 02:00:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-22 02:00:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-22 02:00:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:00:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-22 02:00:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-22 02:00:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 02:00:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 02:00:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-22 02:00:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-22 02:00:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:00:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:00:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-22 02:00:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-22 02:00:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 02:00:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 02:00:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-22 02:00:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-22 02:00:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-22 02:00:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-22 02:00:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-22 02:00:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-22 02:00:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-22 02:00:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-22 02:00:55,845 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:00:55,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:00:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:01:53,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:01:54,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:01:57,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:01:57,758 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 02:01:57,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:01:57 BoogieIcfgContainer [2022-11-22 02:01:57,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:01:57,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:01:57,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:01:57,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:01:57,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:00:43" (1/3) ... [2022-11-22 02:01:57,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f719ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:01:57, skipping insertion in model container [2022-11-22 02:01:57,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:52" (2/3) ... [2022-11-22 02:01:57,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f719ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:01:57, skipping insertion in model container [2022-11-22 02:01:57,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:01:57" (3/3) ... [2022-11-22 02:01:57,774 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 02:01:57,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:01:57,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 02:01:58,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:01:58,032 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;@f2243e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:01:58,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 02:01:58,048 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) [2022-11-22 02:01:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-11-22 02:01:58,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:01:58,088 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] [2022-11-22 02:01:58,088 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)] === [2022-11-22 02:01:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:01:58,094 INFO L85 PathProgramCache]: Analyzing trace with hash -688731915, now seen corresponding path program 1 times [2022-11-22 02:01:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:01:58,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377594514] [2022-11-22 02:01:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:01:58,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:01:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13806 trivial. 0 not checked. [2022-11-22 02:02:00,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:00,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377594514] [2022-11-22 02:02:00,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377594514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:00,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:00,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:00,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407653290] [2022-11-22 02:02:00,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:00,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:00,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:00,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:00,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:00,075 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) [2022-11-22 02:02:03,445 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 [] [2022-11-22 02:02:06,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:10,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:13,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:16,158 INFO L93 Difference]: Finished difference Result 11232 states and 17156 transitions. [2022-11-22 02:02:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:16,167 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 [2022-11-22 02:02:16,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:16,276 INFO L225 Difference]: With dead ends: 11232 [2022-11-22 02:02:16,276 INFO L226 Difference]: Without dead ends: 7394 [2022-11-22 02:02:16,325 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 [2022-11-22 02:02:16,334 INFO L413 NwaCegarLoop]: 6535 mSDtfsCounter, 5265 mSDsluCounter, 5231 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5275 SdHoareTripleChecker+Valid, 11766 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:16,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5275 Valid, 11766 Invalid, 1259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1243 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2022-11-22 02:02:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7394 states. [2022-11-22 02:02:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7394 to 7387. [2022-11-22 02:02:16,892 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) [2022-11-22 02:02:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7387 states to 7387 states and 11104 transitions. [2022-11-22 02:02:16,976 INFO L78 Accepts]: Start accepts. Automaton has 7387 states and 11104 transitions. Word has length 615 [2022-11-22 02:02:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:16,981 INFO L495 AbstractCegarLoop]: Abstraction has 7387 states and 11104 transitions. [2022-11-22 02:02:16,982 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) [2022-11-22 02:02:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7387 states and 11104 transitions. [2022-11-22 02:02:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-11-22 02:02:17,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:17,012 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] [2022-11-22 02:02:17,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:02:17,012 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)] === [2022-11-22 02:02:17,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash 701691241, now seen corresponding path program 1 times [2022-11-22 02:02:17,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:17,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343032053] [2022-11-22 02:02:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:17,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13806 trivial. 0 not checked. [2022-11-22 02:02:18,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:18,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343032053] [2022-11-22 02:02:18,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343032053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:18,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:18,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:18,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771423183] [2022-11-22 02:02:18,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:18,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:18,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:18,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:18,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:18,438 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) [2022-11-22 02:02:21,621 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 [] [2022-11-22 02:02:24,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:29,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:33,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:33,724 INFO L93 Difference]: Finished difference Result 21591 states and 32449 transitions. [2022-11-22 02:02:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:33,725 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 [2022-11-22 02:02:33,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:33,855 INFO L225 Difference]: With dead ends: 21591 [2022-11-22 02:02:33,856 INFO L226 Difference]: Without dead ends: 14323 [2022-11-22 02:02:33,918 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 [2022-11-22 02:02:33,919 INFO L413 NwaCegarLoop]: 6551 mSDtfsCounter, 5259 mSDsluCounter, 5272 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5266 SdHoareTripleChecker+Valid, 11823 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:33,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5266 Valid, 11823 Invalid, 1258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1249 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2022-11-22 02:02:33,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14323 states. [2022-11-22 02:02:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14323 to 14281. [2022-11-22 02:02:35,041 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) [2022-11-22 02:02:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14281 states to 14281 states and 21463 transitions. [2022-11-22 02:02:35,129 INFO L78 Accepts]: Start accepts. Automaton has 14281 states and 21463 transitions. Word has length 624 [2022-11-22 02:02:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:35,130 INFO L495 AbstractCegarLoop]: Abstraction has 14281 states and 21463 transitions. [2022-11-22 02:02:35,130 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) [2022-11-22 02:02:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 14281 states and 21463 transitions. [2022-11-22 02:02:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-11-22 02:02:35,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:35,156 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] [2022-11-22 02:02:35,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:02:35,156 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)] === [2022-11-22 02:02:35,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:35,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1430587361, now seen corresponding path program 1 times [2022-11-22 02:02:35,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:35,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981140514] [2022-11-22 02:02:35,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:35,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 13812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13812 trivial. 0 not checked. [2022-11-22 02:02:36,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:36,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981140514] [2022-11-22 02:02:36,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981140514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:36,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:36,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731156990] [2022-11-22 02:02:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:36,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:36,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:36,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:36,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:36,442 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) [2022-11-22 02:02:39,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:42,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:48,021 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 [] [2022-11-22 02:02:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:52,541 INFO L93 Difference]: Finished difference Result 40821 states and 61370 transitions. [2022-11-22 02:02:52,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:52,542 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 [2022-11-22 02:02:52,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:52,716 INFO L225 Difference]: With dead ends: 40821 [2022-11-22 02:02:52,716 INFO L226 Difference]: Without dead ends: 26659 [2022-11-22 02:02:52,793 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 [2022-11-22 02:02:52,794 INFO L413 NwaCegarLoop]: 6631 mSDtfsCounter, 4826 mSDsluCounter, 5281 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 11912 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:52,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 11912 Invalid, 1270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1261 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2022-11-22 02:02:52,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26659 states. [2022-11-22 02:02:54,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26659 to 26609. [2022-11-22 02:02:54,427 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) [2022-11-22 02:02:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26609 states to 26609 states and 40015 transitions. [2022-11-22 02:02:54,598 INFO L78 Accepts]: Start accepts. Automaton has 26609 states and 40015 transitions. Word has length 642 [2022-11-22 02:02:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:54,600 INFO L495 AbstractCegarLoop]: Abstraction has 26609 states and 40015 transitions. [2022-11-22 02:02:54,600 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) [2022-11-22 02:02:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26609 states and 40015 transitions. [2022-11-22 02:02:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2022-11-22 02:02:54,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:54,639 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] [2022-11-22 02:02:54,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:02:54,639 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)] === [2022-11-22 02:02:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:54,641 INFO L85 PathProgramCache]: Analyzing trace with hash -123790815, now seen corresponding path program 1 times [2022-11-22 02:02:54,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:54,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678387839] [2022-11-22 02:02:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:54,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14135 trivial. 0 not checked. [2022-11-22 02:02:57,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:57,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678387839] [2022-11-22 02:02:57,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678387839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:57,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:57,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:02:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881284275] [2022-11-22 02:02:57,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:57,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:02:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:57,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:02:57,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:02:57,086 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) [2022-11-22 02:03:01,285 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 [] [2022-11-22 02:03:05,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:10,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:03:14,624 INFO L93 Difference]: Finished difference Result 27589 states and 41308 transitions. [2022-11-22 02:03:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:03:14,625 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 [2022-11-22 02:03:14,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:03:14,798 INFO L225 Difference]: With dead ends: 27589 [2022-11-22 02:03:14,799 INFO L226 Difference]: Without dead ends: 27587 [2022-11-22 02:03:14,823 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 [2022-11-22 02:03:14,824 INFO L413 NwaCegarLoop]: 5537 mSDtfsCounter, 5381 mSDsluCounter, 12332 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5402 SdHoareTripleChecker+Valid, 17869 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:03:14,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5402 Valid, 17869 Invalid, 1989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1985 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2022-11-22 02:03:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27587 states. [2022-11-22 02:03:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27587 to 27575. [2022-11-22 02:03:16,515 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) [2022-11-22 02:03:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27575 states to 27575 states and 41296 transitions. [2022-11-22 02:03:16,846 INFO L78 Accepts]: Start accepts. Automaton has 27575 states and 41296 transitions. Word has length 694 [2022-11-22 02:03:16,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:03:16,847 INFO L495 AbstractCegarLoop]: Abstraction has 27575 states and 41296 transitions. [2022-11-22 02:03:16,848 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) [2022-11-22 02:03:16,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27575 states and 41296 transitions. [2022-11-22 02:03:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-11-22 02:03:16,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:16,874 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] [2022-11-22 02:03:16,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:03:16,875 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)] === [2022-11-22 02:03:16,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:16,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1818191408, now seen corresponding path program 1 times [2022-11-22 02:03:16,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:16,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055369155] [2022-11-22 02:03:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:03:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:03:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14137 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14135 trivial. 0 not checked. [2022-11-22 02:03:18,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:03:18,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055369155] [2022-11-22 02:03:18,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055369155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:03:18,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:03:18,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:03:18,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432828642] [2022-11-22 02:03:18,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:03:18,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:03:18,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:03:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:03:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:03:18,962 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) [2022-11-22 02:03:23,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:27,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:31,878 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 [] [2022-11-22 02:03:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:03:37,513 INFO L93 Difference]: Finished difference Result 27586 states and 41304 transitions. [2022-11-22 02:03:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:03:37,513 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 [2022-11-22 02:03:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:03:37,676 INFO L225 Difference]: With dead ends: 27586 [2022-11-22 02:03:37,676 INFO L226 Difference]: Without dead ends: 27584 [2022-11-22 02:03:37,692 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 [2022-11-22 02:03:37,692 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 5376 mSDsluCounter, 12332 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 17872 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:03:37,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 17872 Invalid, 1989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1985 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2022-11-22 02:03:37,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27584 states. [2022-11-22 02:03:39,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27584 to 27579. [2022-11-22 02:03:39,251 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) [2022-11-22 02:03:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 41299 transitions. [2022-11-22 02:03:39,416 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 41299 transitions. Word has length 699 [2022-11-22 02:03:39,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:03:39,418 INFO L495 AbstractCegarLoop]: Abstraction has 27579 states and 41299 transitions. [2022-11-22 02:03:39,418 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) [2022-11-22 02:03:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 41299 transitions. [2022-11-22 02:03:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-11-22 02:03:39,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:39,446 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, 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] [2022-11-22 02:03:39,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:03:39,446 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)] === [2022-11-22 02:03:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:39,447 INFO L85 PathProgramCache]: Analyzing trace with hash -843435798, now seen corresponding path program 1 times [2022-11-22 02:03:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:39,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437244274] [2022-11-22 02:03:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:03:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:03:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14156 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14152 trivial. 0 not checked. [2022-11-22 02:03:41,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:03:41,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437244274] [2022-11-22 02:03:41,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437244274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:03:41,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:03:41,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:03:41,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090821635] [2022-11-22 02:03:41,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:03:41,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:03:41,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:03:41,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:03:41,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:03:41,771 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) [2022-11-22 02:03:45,905 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 [] [2022-11-22 02:03:49,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:55,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:00,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:04:00,344 INFO L93 Difference]: Finished difference Result 27590 states and 41307 transitions. [2022-11-22 02:04:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:04:00,345 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 713 [2022-11-22 02:04:00,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:04:00,474 INFO L225 Difference]: With dead ends: 27590 [2022-11-22 02:04:00,475 INFO L226 Difference]: Without dead ends: 27588 [2022-11-22 02:04:00,493 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 [2022-11-22 02:04:00,494 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 5375 mSDsluCounter, 12332 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5394 SdHoareTripleChecker+Valid, 17872 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:04:00,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5394 Valid, 17872 Invalid, 1989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1985 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2022-11-22 02:04:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27588 states. [2022-11-22 02:04:02,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27588 to 27583. [2022-11-22 02:04:02,031 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) [2022-11-22 02:04:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27583 states to 27583 states and 41302 transitions. [2022-11-22 02:04:02,203 INFO L78 Accepts]: Start accepts. Automaton has 27583 states and 41302 transitions. Word has length 713 [2022-11-22 02:04:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:04:02,205 INFO L495 AbstractCegarLoop]: Abstraction has 27583 states and 41302 transitions. [2022-11-22 02:04:02,205 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) [2022-11-22 02:04:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27583 states and 41302 transitions. [2022-11-22 02:04:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-11-22 02:04:02,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:04:02,235 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] [2022-11-22 02:04:02,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:04:02,235 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)] === [2022-11-22 02:04:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:04:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash -650381610, now seen corresponding path program 1 times [2022-11-22 02:04:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:04:02,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17068973] [2022-11-22 02:04:02,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:04:02,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:04:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:04:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14165 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14159 trivial. 0 not checked. [2022-11-22 02:04:04,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:04:04,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17068973] [2022-11-22 02:04:04,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17068973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:04:04,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:04:04,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:04:04,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905829935] [2022-11-22 02:04:04,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:04:04,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:04:04,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:04:04,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:04:04,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:04:04,617 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) [2022-11-22 02:04:09,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:14,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:21,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:24,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:26,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:04:31,653 INFO L93 Difference]: Finished difference Result 54161 states and 82002 transitions. [2022-11-22 02:04:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:04:31,654 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 [2022-11-22 02:04:31,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:04:31,969 INFO L225 Difference]: With dead ends: 54161 [2022-11-22 02:04:31,969 INFO L226 Difference]: Without dead ends: 54159 [2022-11-22 02:04:31,997 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 [2022-11-22 02:04:31,998 INFO L413 NwaCegarLoop]: 7516 mSDtfsCounter, 5613 mSDsluCounter, 20090 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5621 SdHoareTripleChecker+Valid, 27606 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:04:31,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5621 Valid, 27606 Invalid, 2761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2755 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2022-11-22 02:04:32,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54159 states. [2022-11-22 02:04:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54159 to 54136. [2022-11-22 02:04:34,748 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) [2022-11-22 02:04:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54136 states to 54136 states and 81979 transitions. [2022-11-22 02:04:35,006 INFO L78 Accepts]: Start accepts. Automaton has 54136 states and 81979 transitions. Word has length 717 [2022-11-22 02:04:35,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:04:35,007 INFO L495 AbstractCegarLoop]: Abstraction has 54136 states and 81979 transitions. [2022-11-22 02:04:35,007 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) [2022-11-22 02:04:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 54136 states and 81979 transitions. [2022-11-22 02:04:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-11-22 02:04:35,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:04:35,053 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] [2022-11-22 02:04:35,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:04:35,054 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)] === [2022-11-22 02:04:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:04:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1791229025, now seen corresponding path program 1 times [2022-11-22 02:04:35,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:04:35,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264663479] [2022-11-22 02:04:35,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:04:35,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:04:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:04:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14167 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14159 trivial. 0 not checked. [2022-11-22 02:04:37,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:04:37,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264663479] [2022-11-22 02:04:37,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264663479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:04:37,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:04:37,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:04:37,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092676951] [2022-11-22 02:04:37,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:04:37,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:04:37,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:04:37,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:04:37,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:04:37,197 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) [2022-11-22 02:04:41,262 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 [] [2022-11-22 02:04:45,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:50,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:04:56,930 INFO L93 Difference]: Finished difference Result 54151 states and 81991 transitions. [2022-11-22 02:04:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:04:56,935 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 [2022-11-22 02:04:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:04:57,223 INFO L225 Difference]: With dead ends: 54151 [2022-11-22 02:04:57,223 INFO L226 Difference]: Without dead ends: 54149 [2022-11-22 02:04:57,260 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 [2022-11-22 02:04:57,262 INFO L413 NwaCegarLoop]: 5543 mSDtfsCounter, 5376 mSDsluCounter, 12338 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 17881 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:04:57,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 17881 Invalid, 1992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1988 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2022-11-22 02:04:57,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54149 states. [2022-11-22 02:05:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54149 to 54144. [2022-11-22 02:05:00,223 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) [2022-11-22 02:05:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54144 states to 54144 states and 81985 transitions. [2022-11-22 02:05:00,688 INFO L78 Accepts]: Start accepts. Automaton has 54144 states and 81985 transitions. Word has length 714 [2022-11-22 02:05:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:00,689 INFO L495 AbstractCegarLoop]: Abstraction has 54144 states and 81985 transitions. [2022-11-22 02:05:00,689 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) [2022-11-22 02:05:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54144 states and 81985 transitions. [2022-11-22 02:05:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2022-11-22 02:05:00,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:00,741 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] [2022-11-22 02:05:00,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:05:00,742 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)] === [2022-11-22 02:05:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:00,743 INFO L85 PathProgramCache]: Analyzing trace with hash 384126407, now seen corresponding path program 1 times [2022-11-22 02:05:00,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:00,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920913791] [2022-11-22 02:05:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14188 trivial. 0 not checked. [2022-11-22 02:05:02,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:02,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920913791] [2022-11-22 02:05:02,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920913791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:02,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:02,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:05:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309756769] [2022-11-22 02:05:02,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:02,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:02,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:02,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:02,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:02,593 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) [2022-11-22 02:05:06,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:10,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:16,258 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 [] [2022-11-22 02:05:22,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:22,823 INFO L93 Difference]: Finished difference Result 54159 states and 81997 transitions. [2022-11-22 02:05:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:05:22,824 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 [2022-11-22 02:05:22,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:23,038 INFO L225 Difference]: With dead ends: 54159 [2022-11-22 02:05:23,038 INFO L226 Difference]: Without dead ends: 54157 [2022-11-22 02:05:23,059 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 [2022-11-22 02:05:23,060 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 5375 mSDsluCounter, 12332 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5391 SdHoareTripleChecker+Valid, 17872 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:23,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5391 Valid, 17872 Invalid, 1989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1985 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2022-11-22 02:05:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54157 states. [2022-11-22 02:05:26,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54157 to 54152. [2022-11-22 02:05:26,113 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) [2022-11-22 02:05:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54152 states to 54152 states and 81991 transitions. [2022-11-22 02:05:26,535 INFO L78 Accepts]: Start accepts. Automaton has 54152 states and 81991 transitions. Word has length 728 [2022-11-22 02:05:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:26,536 INFO L495 AbstractCegarLoop]: Abstraction has 54152 states and 81991 transitions. [2022-11-22 02:05:26,537 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) [2022-11-22 02:05:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 54152 states and 81991 transitions. [2022-11-22 02:05:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2022-11-22 02:05:26,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:26,563 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, 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] [2022-11-22 02:05:26,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:05:26,563 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)] === [2022-11-22 02:05:26,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:26,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1810352982, now seen corresponding path program 1 times [2022-11-22 02:05:26,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:26,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307321210] [2022-11-22 02:05:26,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:26,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14220 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14208 trivial. 0 not checked. [2022-11-22 02:05:28,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:28,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307321210] [2022-11-22 02:05:28,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307321210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:28,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:28,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:05:28,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462448979] [2022-11-22 02:05:28,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:28,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:28,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:28,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:28,404 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) [2022-11-22 02:05:32,745 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 [] [2022-11-22 02:05:36,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:42,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:45,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:49,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:49,696 INFO L93 Difference]: Finished difference Result 54167 states and 82003 transitions. [2022-11-22 02:05:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:05:49,696 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, (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) Word has length 733 [2022-11-22 02:05:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:49,913 INFO L225 Difference]: With dead ends: 54167 [2022-11-22 02:05:49,913 INFO L226 Difference]: Without dead ends: 54165 [2022-11-22 02:05:49,934 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 [2022-11-22 02:05:49,934 INFO L413 NwaCegarLoop]: 5543 mSDtfsCounter, 5375 mSDsluCounter, 12338 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 17881 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:49,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5390 Valid, 17881 Invalid, 1992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1988 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2022-11-22 02:05:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54165 states. [2022-11-22 02:05:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54165 to 54160. [2022-11-22 02:05:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54160 states, 32387 states have (on average 1.3381294964028776) internal successors, (43338), 34143 states have internal predecessors, (43338), 18765 states have call successors, (18765), 3010 states have call predecessors, (18765), 3005 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-22 02:05:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54160 states to 54160 states and 81997 transitions. [2022-11-22 02:05:53,400 INFO L78 Accepts]: Start accepts. Automaton has 54160 states and 81997 transitions. Word has length 733 [2022-11-22 02:05:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:53,401 INFO L495 AbstractCegarLoop]: Abstraction has 54160 states and 81997 transitions. [2022-11-22 02:05:53,401 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, (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) [2022-11-22 02:05:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 54160 states and 81997 transitions. [2022-11-22 02:05:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2022-11-22 02:05:53,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:53,439 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 8, 8, 8, 7, 7, 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, 1, 1, 1, 1] [2022-11-22 02:05:53,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:05:53,440 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-11-22 02:05:53,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:53,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2076296345, now seen corresponding path program 1 times [2022-11-22 02:05:53,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:53,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666731799] [2022-11-22 02:05:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:53,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14246 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14232 trivial. 0 not checked. [2022-11-22 02:05:55,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:55,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666731799] [2022-11-22 02:05:55,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666731799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:55,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:55,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:05:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144325713] [2022-11-22 02:05:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:55,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:55,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:55,526 INFO L87 Difference]: Start difference. First operand 54160 states and 81997 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, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2022-11-22 02:05:59,892 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 [] [2022-11-22 02:06:04,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:09,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:13,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:17,528 INFO L93 Difference]: Finished difference Result 54175 states and 82009 transitions. [2022-11-22 02:06:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:06:17,528 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, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) Word has length 738 [2022-11-22 02:06:17,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:17,779 INFO L225 Difference]: With dead ends: 54175 [2022-11-22 02:06:17,779 INFO L226 Difference]: Without dead ends: 54173 [2022-11-22 02:06:17,809 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 [2022-11-22 02:06:17,810 INFO L413 NwaCegarLoop]: 5540 mSDtfsCounter, 5375 mSDsluCounter, 12332 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5389 SdHoareTripleChecker+Valid, 17872 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:17,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5389 Valid, 17872 Invalid, 1989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1985 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2022-11-22 02:06:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54173 states. [2022-11-22 02:06:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54173 to 54168. [2022-11-22 02:06:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54168 states, 32393 states have (on average 1.3380668662982744) internal successors, (43344), 34149 states have internal predecessors, (43344), 18765 states have call successors, (18765), 3012 states have call predecessors, (18765), 3007 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-22 02:06:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54168 states to 54168 states and 82003 transitions. [2022-11-22 02:06:21,567 INFO L78 Accepts]: Start accepts. Automaton has 54168 states and 82003 transitions. Word has length 738 [2022-11-22 02:06:21,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:21,568 INFO L495 AbstractCegarLoop]: Abstraction has 54168 states and 82003 transitions. [2022-11-22 02:06:21,568 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, (86), 3 states have call predecessors, (86), 1 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2022-11-22 02:06:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 54168 states and 82003 transitions. [2022-11-22 02:06:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2022-11-22 02:06:21,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:21,598 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 9, 8, 8, 8, 8, 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, 1, 1, 1, 1] [2022-11-22 02:06:21,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:06:21,598 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-11-22 02:06:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:21,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1596711237, now seen corresponding path program 1 times [2022-11-22 02:06:21,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:21,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912885201] [2022-11-22 02:06:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:21,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14275 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14259 trivial. 0 not checked. [2022-11-22 02:06:23,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:23,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912885201] [2022-11-22 02:06:23,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912885201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:06:23,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:06:23,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:06:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960597138] [2022-11-22 02:06:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:06:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:06:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:06:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:06:23,213 INFO L87 Difference]: Start difference. First operand 54168 states and 82003 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, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2022-11-22 02:06:27,429 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 [] [2022-11-22 02:06:31,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:37,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:45,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:45,659 INFO L93 Difference]: Finished difference Result 54183 states and 82015 transitions. [2022-11-22 02:06:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:06:45,660 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, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) Word has length 742 [2022-11-22 02:06:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:45,907 INFO L225 Difference]: With dead ends: 54183 [2022-11-22 02:06:45,907 INFO L226 Difference]: Without dead ends: 54181 [2022-11-22 02:06:45,935 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 [2022-11-22 02:06:45,935 INFO L413 NwaCegarLoop]: 5543 mSDtfsCounter, 5375 mSDsluCounter, 12338 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5388 SdHoareTripleChecker+Valid, 17881 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:45,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5388 Valid, 17881 Invalid, 1992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1988 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2022-11-22 02:06:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54181 states. [2022-11-22 02:06:49,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54181 to 54176. [2022-11-22 02:06:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54176 states, 32399 states have (on average 1.338004259390722) internal successors, (43350), 34155 states have internal predecessors, (43350), 18765 states have call successors, (18765), 3014 states have call predecessors, (18765), 3009 states have return successors, (19894), 17913 states have call predecessors, (19894), 18757 states have call successors, (19894) [2022-11-22 02:06:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54176 states to 54176 states and 82009 transitions. [2022-11-22 02:06:50,211 INFO L78 Accepts]: Start accepts. Automaton has 54176 states and 82009 transitions. Word has length 742 [2022-11-22 02:06:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:50,212 INFO L495 AbstractCegarLoop]: Abstraction has 54176 states and 82009 transitions. [2022-11-22 02:06:50,213 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, (87), 3 states have call predecessors, (87), 1 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2022-11-22 02:06:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54176 states and 82009 transitions. [2022-11-22 02:06:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2022-11-22 02:06:50,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:50,248 INFO L195 NwaCegarLoop]: trace histogram [60, 59, 59, 59, 59, 59, 59, 10, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:06:50,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:06:50,249 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-11-22 02:06:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:50,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1978939479, now seen corresponding path program 1 times [2022-11-22 02:06:50,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:50,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781318082] [2022-11-22 02:06:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 14004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14004 trivial. 0 not checked. [2022-11-22 02:06:51,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:51,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781318082] [2022-11-22 02:06:51,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781318082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:06:51,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:06:51,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:06:51,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970507237] [2022-11-22 02:06:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:06:51,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:06:51,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:51,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:06:51,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:06:51,491 INFO L87 Difference]: Start difference. First operand 54176 states and 82009 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2022-11-22 02:06:54,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:58,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:01,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:07,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:11,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:11,597 INFO L93 Difference]: Finished difference Result 110165 states and 166427 transitions. [2022-11-22 02:07:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:07:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) Word has length 762 [2022-11-22 02:07:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:12,038 INFO L225 Difference]: With dead ends: 110165 [2022-11-22 02:07:12,038 INFO L226 Difference]: Without dead ends: 56108 [2022-11-22 02:07:12,245 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 [2022-11-22 02:07:12,246 INFO L413 NwaCegarLoop]: 6839 mSDtfsCounter, 4595 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4601 SdHoareTripleChecker+Valid, 12089 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:12,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4601 Valid, 12089 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1334 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-22 02:07:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56108 states. [2022-11-22 02:07:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56108 to 55922. [2022-11-22 02:07:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55922 states, 33564 states have (on average 1.338130139435109) internal successors, (44913), 35333 states have internal predecessors, (44913), 19138 states have call successors, (19138), 3231 states have call predecessors, (19138), 3217 states have return successors, (20194), 18287 states have call predecessors, (20194), 19130 states have call successors, (20194) [2022-11-22 02:07:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55922 states to 55922 states and 84245 transitions. [2022-11-22 02:07:16,335 INFO L78 Accepts]: Start accepts. Automaton has 55922 states and 84245 transitions. Word has length 762 [2022-11-22 02:07:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:16,336 INFO L495 AbstractCegarLoop]: Abstraction has 55922 states and 84245 transitions. [2022-11-22 02:07:16,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 1 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2022-11-22 02:07:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 55922 states and 84245 transitions. [2022-11-22 02:07:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2022-11-22 02:07:16,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:16,373 INFO L195 NwaCegarLoop]: trace histogram [62, 59, 59, 59, 59, 59, 59, 10, 9, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:16,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:07:16,373 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-11-22 02:07:16,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:16,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1616829578, now seen corresponding path program 1 times [2022-11-22 02:07:16,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:07:16,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841435155] [2022-11-22 02:07:16,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:16,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:07:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14309 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14291 trivial. 0 not checked. [2022-11-22 02:07:17,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:07:17,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841435155] [2022-11-22 02:07:17,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841435155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:17,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:07:17,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:07:17,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404808596] [2022-11-22 02:07:17,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:17,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:07:17,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:07:17,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:07:17,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:07:17,876 INFO L87 Difference]: Start difference. First operand 55922 states and 84245 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, (88), 3 states have call predecessors, (88), 1 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2022-11-22 02:07:21,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:26,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:30,493 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 []